CS7654 datasheet(3/62 Pages) CIRRUS

3 / 62 page

CS7654

INTERNAL REGISTER STRUCTURE AND USER INTERFACE ..................... 25

Operating CS7654 in Normal I2C Configuration (Three-Byte Mode) ....... 25

Station Address .................................................................................. 25

Write Operations in Three-Byte Mode ............................................... 25

Address Set Operation ....................................................................... 26

Read Operations in Three-Byte Mode ............................................... 26

Operating CS7654 in Four-Byte I2C Configuration ............................ 26

Write Operations in Four-Byte mode ................................................. 26

Read Operations in Four-Byte Mode ................................................. 27

Initializing Slave Devices on Secondary I2C bus from an EPROM .......... 27

Controlling the Configuration Process ...................................................... 28

Reserved Registers and Test Pins ........................................................... 29

General Purpose I/O Port ......................................................................... 29

ANALOG ............................................................................................................ 30

Analog Timing .......................................................................................... 30

VREF ........................................................................................................ 30

ISET-DAC ................................................................................................. 30

DACs ........................................................................................................ 30

Luminance DAC ................................................................................. 30

Chrominance DAC ............................................................................. 31

COMP_VID DAC ................................................................................ 31

BOARD DESIGN AND LAYOUT CONSIDERATIONS ..................................... 53

Power and Ground Planes ....................................................................... 53

Power Supply Decoupling ........................................................................ 53

Digital Interconnect ................................................................................... 53

Analog Interconnect ................................................................................. 53

Analog Output Protection ......................................................................... 54

ESD and Latch up Protection ................................................................... 54

External DAC Output Filter ....................................................................... 54

PIN DESCRIPTIONS ......................................................................................... 55

PACKAGE DIMENSIONS ................................................................................. 60

CS7654 数据表(PDF) 3 Page - Cirrus Logic