CS7654 Datasheet, PDF (3/62 Pages) Cirrus Logic – CCD COLOR SPACE PROCESSOR WITH ANALOG OUTPUT

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
REGISTER DESCRIPTION ............................................................................... 32
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
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