SAM3XA CHIPID
Chip Identifier (CHIPID) User Interface
Registers
| Address | Register | Name | Access | Reset |
|---|---|---|---|---|
| 0x400E0940 | Chip ID Register | CHIPID_CIDR | read-only | - |
| 0x400E0944 | Chip ID Extension Register | CHIPID_EXID | read-only | - |
Register Fields
CHIPID Chip ID Register
Name: CHIPID_CIDR
Access: read-only
Address: 0x400E0940
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
| EXT | NVPTYP | ARCH | |||||
| 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
| ARCH | SRAMSIZ | ||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| NVPSIZ2 | NVPSIZ | ||||||
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| EPROC | VERSION | ||||||
- VERSION: Version of the Device
- EPROC: Embedded Processor
Value Name Description 0x1 ARM946ES ARM946ES 0x2 ARM7TDMI ARM7TDMI 0x3 CM3 Cortex-M3 0x4 ARM920T ARM920T 0x5 ARM926EJS ARM926EJS 0x6 CA5 Cortex-A5 0x7 CM4 Cortex-M4 - NVPSIZ: Nonvolatile Program Memory Size
Value Name Description 0x0 NONE None 0x1 8K 8K bytes 0x2 16K 16K bytes 0x3 32K 32K bytes 0x5 64K 64K bytes 0x7 128K 128K bytes 0x9 256K 256K bytes 0xA 512K 512K bytes 0xC 1024K 1024K bytes 0xE 2048K 2048K bytes - NVPSIZ2: Second Nonvolatile Program Memory Size
Value Name Description 0x0 NONE None 0x1 8K 8K bytes 0x2 16K 16K bytes 0x3 32K 32K bytes 0x5 64K 64K bytes 0x7 128K 128K bytes 0x9 256K 256K bytes 0xA 512K 512K bytes 0xC 1024K 1024K bytes 0xE 2048K 2048K bytes - SRAMSIZ: Internal SRAM Size
Value Name Description 0x0 48K 48K bytes 0x1 1K 1K bytes 0x2 2K 2K bytes 0x3 6K 6K bytes 0x4 24K 24K bytes 0x5 4K 4K bytes 0x6 80K 80K bytes 0x7 160K 160K bytes 0x8 8K 8K bytes 0x9 16K 16K bytes 0xA 32K 32K bytes 0xB 64K 64K bytes 0xC 128K 128K bytes 0xD 256K 256K bytes 0xE 96K 96K bytes 0xF 512K 512K bytes - ARCH: Architecture Identifier
Value Name Description 0x19 AT91SAM9xx AT91SAM9xx Series 0x29 AT91SAM9XExx AT91SAM9XExx Series 0x34 AT91x34 AT91x34 Series 0x37 CAP7 CAP7 Series 0x39 CAP9 CAP9 Series 0x3B CAP11 CAP11 Series 0x40 AT91x40 AT91x40 Series 0x42 AT91x42 AT91x42 Series 0x55 AT91x55 AT91x55 Series 0x60 AT91SAM7Axx AT91SAM7Axx Series 0x61 AT91SAM7AQxx AT91SAM7AQxx Series 0x63 AT91x63 AT91x63 Series 0x70 AT91SAM7Sxx AT91SAM7Sxx Series 0x71 AT91SAM7XCxx AT91SAM7XCxx Series 0x72 AT91SAM7SExx AT91SAM7SExx Series 0x73 AT91SAM7Lxx AT91SAM7Lxx Series 0x75 AT91SAM7Xxx AT91SAM7Xxx Series 0x76 AT91SAM7SLxx AT91SAM7SLxx Series 0x80 SAM3UxC SAM3UxC Series (100-pin version) 0x81 SAM3UxE SAM3UxE Series (144-pin version) 0x83 SAM3AxC SAM3AxC Series (100-pin version) 0x83 SAM4AxC SAM4AxC Series (100-pin version) 0x84 SAM3XxC SAM3XxC Series (100-pin version) 0x84 SAM4XxC SAM4XxC Series (100-pin version) 0x85 SAM3XxE SAM3XxE Series (144-pin version) 0x85 SAM4XxE SAM4XxE Series (144-pin version) 0x86 SAM3XxG SAM3XxG Series (208/217-pin version) 0x86 SAM4XxG SAM4XxG Series (208/217-pin version) 0x88 SAM3SxA SAM3SxASeries (48-pin version) 0x88 SAM4SxA SAM4SxA Series (48-pin version) 0x89 SAM3SxB SAM3SxB Series (64-pin version) 0x89 SAM4SxB SAM4SxB Series (64-pin version) 0x8A SAM3SxC SAM3SxC Series (100-pin version) 0x8A SAM4SxC SAM4SxC Series (100-pin version) 0x92 AT91x92 AT91x92 Series 0x93 SAM3NxA SAM3NxA Series (48-pin version) 0x94 SAM3NxB SAM3NxB Series (64-pin version) 0x95 SAM3NxC SAM3NxC Series (100-pin version) 0x99 SAM3SDxB SAM3SDxB Series (64-pin version) 0x9A SAM3SDxC SAM3SDxC Series (100-pin version) 0xA5 SAM5A SAM5A 0xF0 AT75Cxx AT75Cxx Series - NVPTYP: Nonvolatile Program Memory Type
Value Name Description 0x0 ROM ROM 0x1 ROMLESS ROMless or on-chip Flash 0x2 FLASH Embedded Flash Memory 0x3 ROM_FLASH ROM and Embedded Flash MemoryNVPSIZ is ROM size NVPSIZ2 is Flash size 0x4 SRAM SRAM emulating ROM - EXT: Extension Flag
Value Name Description 0 - Chip ID has a single register definition without extension 1 - An extended Chip ID exists.
-
CHIPID Chip ID Extension Register
Name: CHIPID_EXID
Access: read-only
Address: 0x400E0944
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
| EXID | |||||||
| 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
| EXID | |||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| EXID | |||||||
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| EXID | |||||||
- EXID: Chip ID Extension
-