SAM3XA HSMCI
High Speed MultiMedia Card Interface (HSMCI) User Interface
Registers
Address | Register | Name | Access | Reset |
---|---|---|---|---|
0x40000000 | Control Register | HSMCI_CR | write-only | - |
0x40000004 | Mode Register | HSMCI_MR | read-write | 0x00000000 |
0x40000008 | Data Timeout Register | HSMCI_DTOR | read-write | 0x00000000 |
0x4000000C | SD/SDIO Card Register | HSMCI_SDCR | read-write | 0x00000000 |
0x40000010 | Argument Register | HSMCI_ARGR | read-write | 0x00000000 |
0x40000014 | Command Register | HSMCI_CMDR | write-only | - |
0x40000018 | Block Register | HSMCI_BLKR | read-write | 0x00000000 |
0x4000001C | Completion Signal Timeout Register | HSMCI_CSTOR | read-write | 0x00000000 |
0x40000020 | Response Register | HSMCI_RSPR[4] | read-only | 0x00000000 |
0x40000030 | Receive Data Register | HSMCI_RDR | read-only | 0x00000000 |
0x40000034 | Transmit Data Register | HSMCI_TDR | write-only | - |
0x40000040 | Status Register | HSMCI_SR | read-only | 0x0000C0E5 |
0x40000044 | Interrupt Enable Register | HSMCI_IER | write-only | - |
0x40000048 | Interrupt Disable Register | HSMCI_IDR | write-only | - |
0x4000004C | Interrupt Mask Register | HSMCI_IMR | read-only | 0x00000000 |
0x40000050 | DMA Configuration Register | HSMCI_DMA | read-write | 0x00000000 |
0x40000054 | Configuration Register | HSMCI_CFG | read-write | 0x00000000 |
0x400000E4 | Write Protection Mode Register | HSMCI_WPMR | read-write | - |
0x400000E8 | Write Protection Status Register | HSMCI_WPSR | read-only | - |
0x40000200 | FIFO Memory Aperture0 | HSMCI_FIFO[256] | read-write | 0x0 |
Register Fields
HSMCI Control Register
Name: HSMCI_CR
Access: write-only
Address: 0x40000000
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
- | - | - | - | - | - | - | - |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
- | - | - | - | - | - | - | - |
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
- | - | - | - | - | - | - | - |
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
SWRST | - | - | - | PWSDIS | PWSEN | MCIDIS | MCIEN |
- MCIEN: Multi-Media Interface Enable
Value Name Description 0 - No effect. 1 - Enables the Multi-Media Interface if MCDIS is 0. - MCIDIS: Multi-Media Interface Disable
Value Name Description 0 - No effect. 1 - Disables the Multi-Media Interface. - PWSEN: Power Save Mode Enable
Value Name Description 0 - No effect. 1 - Enables the Power Saving Mode if PWSDIS is 0. - PWSDIS: Power Save Mode Disable
Value Name Description 0 - No effect. 1 - Disables the Power Saving Mode. - SWRST: Software Reset
Value Name Description 0 - No effect. 1 - Resets the HSMCI. A software triggered hardware reset of the HSMCI interface is performed.
HSMCI Mode Register
Name: HSMCI_MR
Access: read-write
Address: 0x40000004
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
- | - | - | - | - | - | - | - |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
- | - | - | - | - | - | - | - |
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
- | PADV | FBYTE | WRPROOF | RDPROOF | PWSDIV | ||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
CLKDIV |
- CLKDIV: Clock Divider
- PWSDIV: Power Saving Divider
-
RDPROOF
Value Name Description 0 - Disables Read Proof. 1 - Enables Read Proof. -
WRPROOF
Value Name Description 0 - Disables Write Proof. 1 - Enables Write Proof. - FBYTE: Force Byte Transfer
Value Name Description 0 - Disables Force Byte Transfer. 1 - Enables Force Byte Transfer. - PADV: Padding Value
Value Name Description 0 - 0x00 value is used when padding data in write transfer. 1 - 0xFF value is used when padding data in write transfer.
-
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HSMCI Data Timeout Register
Name: HSMCI_DTOR
Access: read-write
Address: 0x40000008
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
- | - | - | - | - | - | - | - |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
- | - | - | - | - | - | - | - |
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
- | - | - | - | - | - | - | - |
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
- | DTOMUL | DTOCYC |
- DTOCYC: Data Timeout Cycle Number
- DTOMUL: Data Timeout Multiplier
Value Name Description 0x0 1 DTOCYC 0x1 16 DTOCYC x 16 0x2 128 DTOCYC x 128 0x3 256 DTOCYC x 256 0x4 1024 DTOCYC x 1024 0x5 4096 DTOCYC x 4096 0x6 65536 DTOCYC x 65536 0x7 1048576 DTOCYC x 1048576
-
HSMCI SD/SDIO Card Register
Name: HSMCI_SDCR
Access: read-write
Address: 0x4000000C
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
- | - | - | - | - | - | - | - |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
- | - | - | - | - | - | - | - |
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
- | - | - | - | - | - | - | - |
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
SDCBUS | - | - | - | - | SDCSEL |
- SDCSEL: SDCard/SDIO Slot
Value Name Description 0x0 SLOTA Slot A is selected. 0x1 SLOTB SDCARD/SDIO Slot B selected 0x2 SLOTC - 0x3 SLOTD - - SDCBUS: SDCard/SDIO Bus Width
Value Name Description 0x0 1 1 bit 0x2 4 4 bit 0x3 8 8 bit
HSMCI Argument Register
Name: HSMCI_ARGR
Access: read-write
Address: 0x40000010
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
ARG | |||||||
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
ARG | |||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
ARG | |||||||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
ARG |
- ARG: Command Argument
-
HSMCI Command Register
Name: HSMCI_CMDR
Access: write-only
Address: 0x40000014
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
- | - | - | - | BOOT_ACK | ATACS | IOSPCMD | |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
- | - | TRTYP | TRDIR | TRCMD | |||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
- | - | - | MAXLAT | OPDCMD | SPCMD | ||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
RSPTYP | CMDNB |
- CMDNB: Command Number
- RSPTYP: Response Type
Value Name Description 0x0 NORESP No response. 0x1 48_BIT 48-bit response. 0x2 136_BIT 136-bit response. 0x3 R1B R1b response type - SPCMD: Special Command
Value Name Description 0x0 STD Not a special CMD. 0x1 INIT Initialization CMD: 74 clock cycles for initialization sequence. 0x2 SYNC Synchronized CMD: Wait for the end of the current data block transfer before sending the pending command. 0x3 CE_ATA CE-ATA Completion Signal disable Command. The host cancels the ability for the device to return a command completion signal on the command line. 0x4 IT_CMD Interrupt command: Corresponds to the Interrupt Mode (CMD40). 0x5 IT_RESP Interrupt response: Corresponds to the Interrupt Mode (CMD40). 0x6 BOR Boot Operation Request. Start a boot operation mode, the host processor can read boot data from the MMC device directly. 0x7 EBO End Boot Operation. This command allows the host processor to terminate the boot operation mode. - OPDCMD: Open Drain Command
Value Name Description 0 PUSHPULL Push pull command. 1 OPENDRAIN Open drain command. - MAXLAT: Max Latency for Command to Response
Value Name Description 0 5 5-cycle max latency. 1 64 64-cycle max latency. - TRCMD: Transfer Command
Value Name Description 0x0 NO_DATA No data transfer 0x1 START_DATA Start data transfer 0x2 STOP_DATA Stop data transfer - TRDIR: Transfer Direction
Value Name Description 0 WRITE Write. 1 READ Read. - TRTYP: Transfer Type
Value Name Description 0x0 SINGLE MMC/SDCard Single Block 0x1 MULTIPLE MMC/SDCard Multiple Block 0x2 STREAM MMC Stream 0x4 BYTE SDIO Byte 0x5 BLOCK SDIO Block - IOSPCMD: SDIO Special Command
Value Name Description 0x0 STD Not an SDIO Special Command 0x1 SUSPEND SDIO Suspend Command 0x2 RESUME SDIO Resume Command - ATACS: ATA with Command Completion Signal
Value Name Description 0 NORMAL Normal operation mode. 1 COMPLETION This bit indicates that a completion signal is expected within a programmed amount of time (HSMCI_CSTOR). - BOOT_ACK: Boot Operation Acknowledge.
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HSMCI Block Register
Name: HSMCI_BLKR
Access: read-write
Address: 0x40000018
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
BLKLEN | |||||||
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
BLKLEN | |||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
BCNT | |||||||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
BCNT |
- BCNT: MMC/SDIO Block Count - SDIO Byte Count
Value Name Description 0x0 MULTIPLE MMC/SDCARD Multiple BlockFrom 1 to 65635: Value 0 corresponds to an infinite block transfer. 0x4 BYTE SDIO ByteFrom 1 to 512 bytes: Value 0 corresponds to a 512-byte transfer.Values from 0x200 to 0xFFFF are forbidden. 0x5 BLOCK SDIO BlockFrom 1 to 511 blocks: Value 0 corresponds to an infinite block transfer.Values from 0x200 to 0xFFFF are forbidden. - BLKLEN: Data Block Length
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HSMCI Completion Signal Timeout Register
Name: HSMCI_CSTOR
Access: read-write
Address: 0x4000001C
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
- | - | - | - | - | - | - | - |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
- | - | - | - | - | - | - | - |
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
- | - | - | - | - | - | - | - |
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
- | CSTOMUL | CSTOCYC |
- CSTOCYC: Completion Signal Timeout Cycle Number
- CSTOMUL: Completion Signal Timeout Multiplier
Value Name Description 0x0 1 CSTOCYC x 1 0x1 16 CSTOCYC x 16 0x2 128 CSTOCYC x 128 0x3 256 CSTOCYC x 256 0x4 1024 CSTOCYC x 1024 0x5 4096 CSTOCYC x 4096 0x6 65536 CSTOCYC x 65536 0x7 1048576 CSTOCYC x 1048576
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HSMCI Response Register
Name: HSMCI_RSPR[0:3]
Access: read-only
Address: 0x40000020
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
RSP | |||||||
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
RSP | |||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
RSP | |||||||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
RSP |
- RSP: Response
-
HSMCI Receive Data Register
Name: HSMCI_RDR
Access: read-only
Address: 0x40000030
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
DATA | |||||||
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
DATA | |||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
DATA | |||||||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
DATA |
- DATA: Data to Read
-
HSMCI Transmit Data Register
Name: HSMCI_TDR
Access: write-only
Address: 0x40000034
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
DATA | |||||||
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
DATA | |||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
DATA | |||||||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
DATA |
- DATA: Data to Write
-
HSMCI Status Register
Name: HSMCI_SR
Access: read-only
Address: 0x40000040
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
UNRE | OVRE | ACKRCVE | ACKRCV | XFRDONE | FIFOEMPTY | DMADONE | BLKOVRE |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
CSTOE | DTOE | DCRCE | RTOE | RENDE | RCRCE | RDIRE | RINDE |
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
- | - | CSRCV | SDIOWAIT | - | - | SDIOIRQforSlotB | SDIOIRQforSlotA |
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
- | - | NOTBUSY | DTIP | BLKE | TXRDY | RXRDY | CMDRDY |
- CMDRDY: Command Ready
Value Name Description 0 - A command is in progress. 1 - The last command has been sent. Cleared when writing in the HSMCI_CMDR. - RXRDY: Receiver Ready
Value Name Description 0 - Data has not yet been received since the last read of HSMCI_RDR. 1 - Data has been received since the last read of HSMCI_RDR. - TXRDY: Transmit Ready
Value Name Description 0 - The last data written in HSMCI_TDR has not yet been transferred in the Shift Register. 1 - The last data written in HSMCI_TDR has been transferred in the Shift Register. - BLKE: Data Block Ended
Value Name Description 0 - A data block transfer is not yet finished. Cleared when reading the HSMCI_SR. 1 - A data block transfer has ended, including the CRC16 Status transmission. the flag is set for each transmitted CRC Status. - DTIP: Data Transfer in Progress
Value Name Description 0 - No data transfer in progress. 1 - The current data transfer is still in progress, including CRC16 calculation. Cleared at the end of the CRC16 calculation. - NOTBUSY: HSMCI Not Busy
Value Name Description 0 - The HSMCI is not ready for new data transfer. Cleared at the end of the card response. 1 - The HSMCI is ready for new data transfer. Set when the busy state on the data line has ended. This corresponds to a free internal data receive buffer of the card. - SDIOIRQforSlotA
- SDIOIRQforSlotB
- SDIOWAIT: SDIO Read Wait Operation Status
Value Name Description 0 - Normal Bus operation. 1 - The data bus has entered IO wait state. - CSRCV: CE-ATA Completion Signal Received
Value Name Description 0 - No completion signal received since last status read operation. 1 - The device has issued a command completion signal on the command line. Cleared by reading in the HSMCI_SR register. - RINDE: Response Index Error
Value Name Description 0 - No error. 1 - A mismatch is detected between the command index sent and the response index received. Cleared when writing in the HSMCI_CMDR. - RDIRE: Response Direction Error
Value Name Description 0 - No error. 1 - The direction bit from card to host in the response has not been detected. - RCRCE: Response CRC Error
Value Name Description 0 - No error. 1 - A CRC7 error has been detected in the response. Cleared when writing in the HSMCI_CMDR. - RENDE: Response End Bit Error
Value Name Description 0 - No error. 1 - The end bit of the response has not been detected. Cleared when writing in the HSMCI_CMDR. - RTOE: Response Time-out Error
Value Name Description 0 - No error. 1 - The response time-out set by MAXLAT in the HSMCI_CMDR has been exceeded. Cleared when writing in the HSMCI_CMDR. - DCRCE: Data CRC Error
Value Name Description 0 - No error. 1 - A CRC16 error has been detected in the last data block. Cleared by reading in the HSMCI_SR register. - DTOE: Data Time-out Error
Value Name Description 0 - No error. 1 - The data time-out set by DTOCYC and DTOMUL in HSMCI_DTOR has been exceeded. Cleared by reading in the HSMCI_SR register. - CSTOE: Completion Signal Time-out Error
Value Name Description 0 - No error. 1 - The completion signal time-out set by CSTOCYC and CSTOMUL in HSMCI_CSTOR has been exceeded. Cleared by reading in the HSMCI_SR register. Cleared by reading in the HSMCI_SR register. - BLKOVRE: DMA Block Overrun Error
Value Name Description 0 - No error. 1 - A new block of data is received and the DMA controller has not started to move the current pending block, a block over-run is raised. Cleared by reading in the HSMCI_SR register. - DMADONE: DMA Transfer done
Value Name Description 0 - DMA buffer transfer has not completed since the last read of HSMCI_SR register. 1 - DMA buffer transfer has completed. - FIFOEMPTY: FIFO empty flag
Value Name Description 0 - FIFO contains at least one byte. 1 - FIFO is empty. - XFRDONE: Transfer Done flag
Value Name Description 0 - A transfer is in progress. 1 - Command register is ready to operate and the data bus is in the idle state. - ACKRCV: Boot Operation Acknowledge Received
Value Name Description 0 - No Boot acknowledge received since the last read of the status register. 1 - A Boot acknowledge signal has been received. Cleared by reading the HSMCI_SR register. - ACKRCVE: Boot Operation Acknowledge Error
Value Name Description 0 - No error 1 - Corrupted Boot Acknowledge signal received. - OVRE: Overrun
Value Name Description 0 - No error. 1 - At least one 8-bit received data has been lost (not read). Cleared when sending a new data transfer command. - UNRE: Underrun
Value Name Description 0 - No error. 1 - At least one 8-bit data has been sent without valid information (not written). Cleared when sending a new data transfer command or when setting FERRCTRL in HSMCI_CFG to 1.
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HSMCI Interrupt Enable Register
Name: HSMCI_IER
Access: write-only
Address: 0x40000044
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
UNRE | OVRE | ACKRCVE | ACKRCV | XFRDONE | FIFOEMPTY | DMADONE | BLKOVRE |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
CSTOE | DTOE | DCRCE | RTOE | RENDE | RCRCE | RDIRE | RINDE |
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
- | - | CSRCV | SDIOWAIT | - | - | SDIOIRQforSlotB | SDIOIRQforSlotA |
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
- | - | NOTBUSY | DTIP | BLKE | TXRDY | RXRDY | CMDRDY |
- CMDRDY: Command Ready Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - RXRDY: Receiver Ready Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - TXRDY: Transmit Ready Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - BLKE: Data Block Ended Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - DTIP: Data Transfer in Progress Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - NOTBUSY: Data Not Busy Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - SDIOIRQforSlotA
- SDIOIRQforSlotB
- SDIOWAIT: SDIO Read Wait Operation Status Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - CSRCV: Completion Signal Received Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - RINDE: Response Index Error Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - RDIRE: Response Direction Error Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - RCRCE: Response CRC Error Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - RENDE: Response End Bit Error Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - RTOE: Response Time-out Error Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - DCRCE: Data CRC Error Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - DTOE: Data Time-out Error Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - CSTOE: Completion Signal Timeout Error Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - BLKOVRE: DMA Block Overrun Error Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - DMADONE: DMA Transfer completed Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - FIFOEMPTY: FIFO empty Interrupt enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - XFRDONE: Transfer Done Interrupt enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - ACKRCV: Boot Acknowledge Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - ACKRCVE: Boot Acknowledge Error Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - OVRE: Overrun Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt. - UNRE: Underrun Interrupt Enable
Value Name Description 0 - No effect. 1 - Enables the corresponding interrupt.
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HSMCI Interrupt Disable Register
Name: HSMCI_IDR
Access: write-only
Address: 0x40000048
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
UNRE | OVRE | ACKRCVE | ACKRCV | XFRDONE | FIFOEMPTY | DMADONE | BLKOVRE |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
CSTOE | DTOE | DCRCE | RTOE | RENDE | RCRCE | RDIRE | RINDE |
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
- | - | CSRCV | SDIOWAIT | - | - | SDIOIRQforSlotB | SDIOIRQforSlotA |
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
- | - | NOTBUSY | DTIP | BLKE | TXRDY | RXRDY | CMDRDY |
- CMDRDY: Command Ready Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - RXRDY: Receiver Ready Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - TXRDY: Transmit Ready Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - BLKE: Data Block Ended Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - DTIP: Data Transfer in Progress Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - NOTBUSY: Data Not Busy Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - SDIOIRQforSlotA
- SDIOIRQforSlotB
- SDIOWAIT: SDIO Read Wait Operation Status Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - CSRCV: Completion Signal received interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - RINDE: Response Index Error Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - RDIRE: Response Direction Error Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - RCRCE: Response CRC Error Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - RENDE: Response End Bit Error Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - RTOE: Response Time-out Error Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - DCRCE: Data CRC Error Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - DTOE: Data Time-out Error Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - CSTOE: Completion Signal Time out Error Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - BLKOVRE: DMA Block Overrun Error Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - DMADONE: DMA Transfer completed Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - FIFOEMPTY: FIFO empty Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - XFRDONE: Transfer Done Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - ACKRCV: Boot Acknowledge Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - ACKRCVE: Boot Acknowledge Error Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - OVRE: Overrun Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt. - UNRE: Underrun Interrupt Disable
Value Name Description 0 - No effect. 1 - Disables the corresponding interrupt.
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HSMCI Interrupt Mask Register
Name: HSMCI_IMR
Access: read-only
Address: 0x4000004C
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
UNRE | OVRE | ACKRCVE | ACKRCV | XFRDONE | FIFOEMPTY | DMADONE | BLKOVRE |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
CSTOE | DTOE | DCRCE | RTOE | RENDE | RCRCE | RDIRE | RINDE |
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
- | - | CSRCV | SDIOWAIT | - | - | SDIOIRQforSlotB | SDIOIRQforSlotA |
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
- | - | NOTBUSY | DTIP | BLKE | TXRDY | RXRDY | CMDRDY |
- CMDRDY: Command Ready Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - RXRDY: Receiver Ready Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - TXRDY: Transmit Ready Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - BLKE: Data Block Ended Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - DTIP: Data Transfer in Progress Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - NOTBUSY: Data Not Busy Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - SDIOIRQforSlotA
- SDIOIRQforSlotB
- SDIOWAIT: SDIO Read Wait Operation Status Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - CSRCV: Completion Signal Received Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - RINDE: Response Index Error Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - RDIRE: Response Direction Error Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - RCRCE: Response CRC Error Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - RENDE: Response End Bit Error Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - RTOE: Response Time-out Error Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - DCRCE: Data CRC Error Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - DTOE: Data Time-out Error Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - CSTOE: Completion Signal Time-out Error Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - BLKOVRE: DMA Block Overrun Error Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - DMADONE: DMA Transfer Completed Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - FIFOEMPTY: FIFO Empty Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - XFRDONE: Transfer Done Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - ACKRCV: Boot Operation Acknowledge Received Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - ACKRCVE: Boot Operation Acknowledge Error Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - OVRE: Overrun Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled. - UNRE: Underrun Interrupt Mask
Value Name Description 0 - The corresponding interrupt is not enabled. 1 - The corresponding interrupt is enabled.
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HSMCI DMA Configuration Register
Name: HSMCI_DMA
Access: read-write
Address: 0x40000050
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
- | - | - | - | - | - | - | - |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
- | - | - | - | - | - | - | - |
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
- | - | - | ROPT | - | - | - | DMAEN |
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
- | - | - | CHKSIZE | - | - | OFFSET |
- OFFSET: DMA Write Buffer Offset
- CHKSIZE: DMA Channel Read and Write Chunk Size
Value Name Description 0 1 1 data available 1 4 4 data available - DMAEN: DMA Hardware Handshaking Enable
Value Name Description 0 - DMA interface is disabled. 1 - DMA Interface is enabled. - ROPT: Read Optimization with padding
Value Name Description 0 - BLKLEN bytes are moved from the Memory Card to the system memory, two DMA descriptors are used when the trans-fer size is not a multiple of 4. 1 - Ceiling(BLKLEN/4) * 4 bytes are moved from the Memory Card to the system memory, only one DMA descriptor is used.
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HSMCI Configuration Register
Name: HSMCI_CFG
Access: read-write
Address: 0x40000054
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
- | - | - | - | - | - | - | - |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
- | - | - | - | - | - | - | - |
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
- | - | - | LSYNC | - | - | - | HSMODE |
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
- | - | - | FERRCTRL | - | - | - | FIFOMODE |
- FIFOMODE: HSMCI Internal FIFO control mode
- FERRCTRL: Flow Error flag reset control mode
Value Name Description 0 - When an underflow/overflow condition flag is set, a new Write/Read command is needed to reset the flag. 1 - When an underflow/overflow condition flag is set, a read status resets the flag. - HSMODE: High Speed Mode
Value Name Description 0 - Default bus timing mode. 1 - If set to one, the host controller outputs command line and data lines on the rising edge of the card clock. The Host driver shall check the high speed support in the card registers. - LSYNC: Synchronize on the last block
Value Name Description 0 - The pending command is sent at the end of the current data block. 1 - The pending command is sent at the end of the block transfer when the transfer length is not infinite. (block count shall be different from zero)
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HSMCI Write Protection Mode Register
Name: HSMCI_WPMR
Access: read-write
Address: 0x400000E4
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
WP_KEY | |||||||
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
WP_KEY | |||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
WP_KEY | |||||||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
- | - | - | - | - | - | - | WP_EN |
- WP_EN: Write Protection Enable
Value Name Description 0 - Disables the Write Protection if WP_KEY corresponds to 0x4D4349 ("MCI' in ASCII). 1 - Enables the Write Protection if WP_KEY corresponds to 0x4D4349 ("MCI' in ASCII). - WP_KEY: Write Protection Key password
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HSMCI Write Protection Status Register
Name: HSMCI_WPSR
Access: read-only
Address: 0x400000E8
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
- | - | - | - | - | - | - | - |
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
WP_VSRC | |||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
WP_VSRC | |||||||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
- | - | - | - | WP_VS |
- WP_VS: Write Protection Violation Status
Value Name Description 0x0 NONE No Write Protection Violation occurred since the last read of this register (WP_SR) 0x1 WRITE Write Protection detected unauthorized attempt to write a control register had occurred (since the last read.) 0x2 RESET Software reset had been performed while Write Protection was enabled (since the last read). 0x3 BOTH Both Write Protection violation and software reset with Write Protection enabled have occurred since the last read. - WP_VSRC: Write Protection Violation SouRCe
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HSMCI FIFO Memory Aperture0
Name: HSMCI_FIFO[0:255]
Access: read-write
Address: 0x40000200
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
DATA | |||||||
23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
DATA | |||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
DATA | |||||||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
DATA |
- DATA: Data to Read or Data to Write
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