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.
Configurations
Only available for sdc600_apbcom_ext_rom.
Attributes
32-bit read/write memory-mapped register.

The following figure shows the bit assignments.

Figure 3-15 DEVID bit assignments
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The following table shows the bit assignments.

Table 3-17 DEVID bit assignments

Bits Name Function
[31:7] - res0.
[6] CP

COM Port functionality present. The offset range 0xD00-0xD7C contains COM Port functionality. Offset 0xD00 indicates the COM Port programmers model.

The value of this bit is:
0b1

COM Port functionality present.

[5] PRR Powerup Request functionality included. The value of this bit is:
0b0

Powerup Request functionality not included.

[4] SYSMEM System memory present. Indicates whether system memory is present on the bus that connects to the ROM table. The value of this bit is:
0b1

System memory is present on the bus that connects to the ROM table.

[3:0] FORMAT ROM format. The value of this field is:
0x032-bit format 0.
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