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Registers
3.13 I2C Peripheral Identification Register (ICPID1)
The I2C peripheral identification registers (ICPID1) contain identification data (class, revision, and type) for
the peripheral.
The I2C peripheral identification register (ICPID1) is shown in Figure 27 and described in Table 20.
Figure 27. I2C Peripheral Identification Register 1 (ICPID1)
31 16
Reserved
R-0
15 8 7 0
Class Revision
R-1h R-6h
LEGEND: R = Read only; -n = value after reset
Table 20. I2C Peripheral Identification Register 1 (ICPID1) Field Descriptions
Bit Field Value Description
31-16 Reserved 0 These reserved bit locations are always read as zeros. A value written to this field has no effect.
15-8 Class Identifies class of peripheral.
1h Serial port
7-0 Revision Identifies revision of peripheral.
6h Current revision of peripheral.
3.14 I2C Peripheral Identification Register (ICPID2)
The I2C peripheral identification register (ICPID2) is shown in Figure 28 and described in Table 21.
Figure 28. I2C Peripheral Identification Register 2 (ICPID2)
31 16
Reserved
R-0
15 8 7 0
Reserved TYPE
R-0 R-5h
LEGEND: R = Read only; -n = value after reset
Table 21. I2C Peripheral Identification Register 2 (ICPID2) Field Descriptions
Bit Field Value Description
31-8 Reserved 0 These reserved bit locations are always read as zeros. A value written to this field has no effect.
7-0 TYPE Identifies type of peripheral.
5h I2C
39
SPRUEN0D–March 2011 Inter-Integrated Circuit (I2C) Peripheral
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