Texas Instruments TMS320C642X manual

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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

SPRUEN0D –March 2011	Inter-Integrated Circuit (I2C) Peripheral	39
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