Texas Instruments TMS320DM648 manual Contents

Contents

Preface				13
1	Overview			16
1.1	Video Port			17
1.2	Video Port FIFO			19
	1.2.1	EDMA Interface		19
	1.2.2 Video Capture FIFO Configurations			20
	1.2.3 Video Display FIFO Configurations			23
1.3	Video Port Registers			25
1.4	Video Port Pin Mapping			26
	1.4.1 VDIN Bus Usage for Capture Modes			27
	1.4.2 VDOUT Data Bus Usage for Display Modes			28
1.5	Video Port Pin Multiplexing			28
1.6	VideoPort Clocking			28
2	Video Port			29
2.1	Reset Operation			30
	2.1.1	Power-On Reset		30
	2.1.2	Peripheral Bus Reset		30
	2.1.3	Software Port Reset		30
	2.1.4	Capture Channel Reset		31
	2.1.5	Display Channel Reset		31
2.2	Interrupt Operation			31
2.3	EDMA Operation			32
	2.3.1 Capture EDMA Event Generation			32
	2.3.2 Display EDMA Event Generation			33
	2.3.3 EDMA Size and Threshold Restrictions			33
	2.3.4	EDMA Interface Operation		34
2.4	Video Port Control Registers			34
	2.4.1 Video Port Control Register (VPCTL)			35
	2.4.2 Video Port Status Register (VPSTAT)			37
	2.4.3 Video Port Interrupt Enable Register (VPIE)			38
	2.4.4 Video Port Interrupt Status Register (VPIS)			40
3	Video Capture Port			45
3.1	Video Capture Mode Selection			46
3.2	BT.656 Video Capture Mode			46
	3.2.1	BT.656 Capture Channels		46
	3.2.2 BT.656 Timing Reference Codes			46
	3.2.3 BT.656 Image Window and Capture			48
	3.2.4	BT.656 Data Sampling		49
	3.2.5	BT.656 FIFO Packing		49
3.3	Y/C Video Capture Mode			50
	3.3.1	Y/C Capture Channels		50
	3.3.2 Y/C Timing Reference Codes			50
SPRUEM1 –May 2007			Table of Contents	3

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