Texas Instruments TMS320C642X manual Preface

Preface			6
1	Introduction		7
	1.1	Purpose of the Peripheral	7
	1.2	Features	7
	1.3	Functional Block Diagram	8
	1.4	Industry Standard(s) Compliance Statement	8
2	Peripheral Architecture		9
	2.1	Bus Structure	9
	2.2	Clock Generation	10
	2.3	Clock Synchronization	11
	2.4	Signal Descriptions	11
	2.5	START and STOP Conditions	12
	2.6	Serial Data Formats	13
	2.7	Endianness Considerations	15
	2.8	Operating Modes	15
	2.9	NACK Bit Generation	16
	2.10	Arbitration	17
	2.11	Reset Considerations	18
	2.12	Initialization	18
	2.13	Interrupt Support	21
	2.14	DMA Events Generated by the I2C Peripheral	21
	2.15	Power Management	21
	2.16	Emulation Considerations	22
3	Registers		22
	3.1	I2C Own Address Register (ICOAR)	23
	3.2	I2C Interrupt Mask Register (ICIMR)	24
	3.3	I2C Interrupt Status Register (ICSTR)	25
	3.4	I2C Clock Divider Registers (ICCLKL and ICCLKH)	28
	3.5	I2C Data Count Register (ICCNT)	29
	3.6	I2C Data Receive Register (ICDRR)	30
	3.7	I2C Slave Address Register (ICSAR)	30
	3.8	I2C Data Transmit Register (ICDXR)	31
	3.9	I2C Mode Register (ICMDR)	32
	3.10	I2C Interrupt Vector Register (ICIVR)	36
	3.11	I2C Extended Mode Register (ICEMDR)	37
	3.12	I2C Prescaler Register (ICPSC)	38
	3.13	I2C Peripheral Identification Register (ICPID1)	39
	3.14	I2C Peripheral Identification Register (ICPID2)	39
Appendix A		Revision History	40

SPRUEN0D –March 2011	Table of Contents	3
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