AT91M55800A_14 Datasheet, PDF (129/256 Pages) ATMEL Corporation – High-performance 32-bit RISC Architecture

AT91M5880A
17. SF: Special Function Registers
The AT91M55800A provides registers which implement the following special functions.
• Chip identification
• RESET status
17.1 Chip Identifier
The following chip identifier values are covered in this datasheet:
Product
AT91M55800A
17.2 SF User Interface
Chip ID Base Address = 0xFFF00000 (Code Label SF_BASE)
Table 17-1. Register Mapping
Offset
Register
0x00
Chip ID Register
0x04
Chip ID Extension Register
0x08
Reset Status Register
0x0C
0x10
0x14
0x18
Reserved
Reserved
Reserved
Protect Mode Register
Revision
A
Name
SF_CIDR
SF_EXID
SF_RSR
–
–
–
SF_PMR
Chip ID
0x15580040
Access
Read-only
Read-only
Read-only
–
–
–
Read/Write
Reset State
Hardwired
Hardwired
See register
description
–
–
–
0x0
1745F–ATARM–06-Sep-07
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