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Registers
3.10 Peripheral Identification Registers (PID1 and PID2)
The peripheral identification registers (PID) contain identification data (class, revision, and type) for the
peripheral. PID1 is shown in Figure 19 and described in Table 20. PID2 is shown in Figure 20 and
described in Table 21.
Figure 19. Peripheral Identification Register 1 (PID1)
31 16
Reserved
R-0
15 8 7 0
CLS REV
R-1h R-1h
LEGEND: R = Read only; -n = value after reset
Table 20. Peripheral Identification Register 1 (PID1) Field Descriptions
Bit Field Value Description
31-16 Reserved 0 Reserved
15-8 CLS Identifies class of peripheral.
1 Serial port
7-0 REV Identifies revision of peripheral.
1 Current revision of peripheral.
Figure 20. Peripheral Identification Register 2 (PID2)
31 16
Reserved
R-0
15 8 7 0
Reserved TYP
R-0 R-04h
LEGEND: R = Read only; -n = value after reset
Table 21. Peripheral Identification Register 2 (PID2) Field Descriptions
Bit Field Value Description
31-8 Reserved 0 Reserved
7-0 TYP Identifies type of peripheral.
4h UART
35
SPRU997C–December 2009 Universal Asynchronous Receiver/Transmitter (UART)
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