3.7.3 Device ID Register
This register is used to indicate if the COM Port function is included in the ROM table.
The DEVID characteristics are:
- Usage constraints
- There are no usage constraints.
- Only available for sdc600_apbcom_ext_rom.
- 32-bit read/write memory-mapped register.
The following figure shows the bit assignments.
3-15 DEVID bit assignments
The following table shows the bit assignments.
3-17 DEVID bit assignments
COM Port functionality present. The offset range
The value of this bit is:
0xD7C contains COM Port functionality. Offset
0xD00 indicates the COM Port programmers model.
COM Port functionality present.
||Powerup Request functionality included. The value of this bit is:
Powerup Request functionality not included.
||System memory present. Indicates whether system memory is present on the bus that connects to the ROM table. The value of this bit is:
System memory is present on the bus that connects to the ROM table.
||ROM format. The value of this field is: