adv7174 Analog Devices, Inc., adv7174 Datasheet - Page 2

• Manufacturer Part Number: adv7174
• Description: Chip Scale Pal/ntsc Video Encoder With Advanced Power Management
• Manufacturer: Analog Devices, Inc.

ADV7174/ADV7179
TABLE OF CONTENTS
Specifications..................................................................................... 4
Absolute Maximum Ratings............................................................ 9
Pin Configuration and Function Descriptions........................... 10
General Description ....................................................................... 11
Typical Performance Characteristics ........................................... 13
Features ............................................................................................ 16
2.8 V Specifications ...................................................................... 4
2.8 V Timing Specifications ........................................................ 5
3.3 V Specifications ...................................................................... 6
3.3 V Timing Specifications ........................................................ 7
ESD Caution.................................................................................. 9
Data Path Description................................................................ 11
Internal Filter Response............................................................. 11
Color Bar Generation ................................................................ 16
Square Pixel Mode...................................................................... 16
Color Signal Control .................................................................. 16
Burst Signal Control................................................................... 16
NTSC Pedestal Control ............................................................. 16
Pixel Timing Description .......................................................... 16
Subcarrier Reset.......................................................................... 16
Real-Time Control ..................................................................... 16
8-Bit YCrCb Mode ................................................................. 16
Video Timing Description .................................................... 16
Vertical Blanking Data Insertion.......................................... 17
Mode 0 (CCIR-656): Slave Option....................................... 17
Mode 0 (CCIR-656): Master Option ................................... 17
Mode 1: Slave Option HSYNC , BLANK , FIELD................ 20
Mode 1: Master Option HSYNC , BLANK , FIELD ............ 21
Mode 2: Slave Option HSYNC , VSYNC , BLANK .............. 22
Mode 2: Master Option HSYNC , VSYNC , BLANK .......... 23
Rev. A | Page 2 of 52
Register Programming................................................................... 27
Appendix 1—Board Design and Layout Considerations.......... 39
Appendix 2—Closed Captioning ................................................. 41
Power-On Reset.......................................................................... 25
SCH Phase Mode........................................................................ 25
MPU Port Description............................................................... 25
Register Accesses ........................................................................ 26
Subaddress Register (SR7–SR0) ............................................... 27
Register Select (SR5–SR0) ......................................................... 27
Mode Register 1 (MR1) ............................................................. 29
Mode Register 2 (MR2) ............................................................. 30
Mode Register 3 (MR3) ............................................................. 31
Mode Register 4 (MR4) ............................................................. 32
Timing Mode Register 0 (TR0) ................................................ 33
Timing Mode Register 1 (TR1) ................................................ 34
Subcarrier Frequency Registers 3–0 ........................................ 35
Subcarrier Phase Register.......................................................... 35
Closed Captioning Even Field Data Registers 1–0 ................ 35
Closed Captioning Odd Field Data Registers 1–0 ................. 36
NTSC Pedestal/PAL Teletext Control Registers 3–0 ............. 36
Teletext Request Control Register (TC07) .............................. 37
CGMS_WSS Register 0 (C/W0)............................................... 37
CGMS_WSS Register 1 (C/W1)............................................... 38
CGMS_WSS Register 2 (C/W2)............................................... 38
Ground Planes ............................................................................ 39
Power Planes ............................................................................... 39
Supply Decoupling ..................................................................... 40
Digital Signal Interconnect ....................................................... 40
Analog Signal Interconnect....................................................... 40
Mode 3: Master/Slave Option HSYNC , BLANK , FIELD.. 24