Table of Contents
1. GENERAL DESCRIPTION....................................................................................................................................................- 4 -
2. FEATURES ...............................................................................................................................................................................- 4 -
3. KEY SPECIFICATIONS .........................................................................................................................................................- 5 -
4. PIN CONFIGURATION..........................................................................................................................................................- 5 -
5. PIN DESCRIPTION.................................................................................................................................................................- 6 -
5.1 POWER PIN......................................................................................................................................................................... - 6 -
5.2 VID CONTROL AND GPIO PINS .......................................................................................................................................... - 6 -
6. FUNCTIONAL DESCRIPTION.............................................................................................................................................- 7 -
6.1 GENERAL DESCRIPTION ..................................................................................................................................................... - 7 -
6.2 ACCESS INTERFACE ............................................................................................................................................................ - 8 -
6.3 THE SMBUS ACCESS TIMING ARE SHOWN AS FOLLOW:....................................................................................................... - 8 -
6.4 VID FUNCTION .................................................................................................................................................................. - 9 -
6.5 GPIO FUNCTION ................................................................................................................................................................ - 9 -
6.5.1 General GPIO Function..................................................................................................................................................- 9 -
6.5.3 Reset Out (RSTOUT) Function......................................................................................................................................- 10 -
6..4 Watchdog Function..........................................................................................................................................................- 10 -
7. REGISTERS DESCRIPTION...............................................................................................................................................- 10 -
7.1 CONFIGURATION AND CONTROL REGISTER – INDEX 01H.................................................................................................. - 10 -
7.2 STATUS REGISTER – INDEX 02H........................................................................................................................................ - 11 -
7.3 CONFIGURATION AND FUNCTION SELECT REGISTER – INDEX 03H..................................................................................... - 11 -
7.4 PIN MODE FUNCTION SELECT REGISTER – INDEX 04H....................................................................................................... - 12 -
7.5 PIN MODE FUNCTION SELECT REGISTER – INDEX 05H....................................................................................................... - 12 -
7.6 LED FREQ CONTROL REGISTER – INDEX 06H .................................................................................................................. - 13 -
7.7 LED FREQ CONTROL REGISTER – INDEX 07H .................................................................................................................. - 14 -
7.8 LED FREQ CONTROL REGISTER – INDEX 08H .................................................................................................................. - 15 -
7.9 LED FREQ CONTROL REGISTER – INDEX 09H .................................................................................................................. - 15 -
7.10 GPIO1X OUTPUT CONTROL REGISTER – INDEX 10H...................................................................................................... - 16 -
7.11 GPIO1X OUTPUT DATA REGISTER – INDEX 11H ............................................................................................................. - 17 -
7.12 GPIO1X INPUT STATUS REGISTER – INDEX 12H ............................................................................................................. - 17 -
7.13 GPIO1X LEVEL/PULSE CONTROL REGISTER – INDEX 13H ............................................................................................. - 18 -
7.14 GPIO1X PULSE WIDTH CONTROL REGISTER – INDEX 14H............................................................................................. - 18 -
7.15 GPIO1X PULL-UP RESISTOR CONTROL REGISTER – INDEX 15H ..................................................................................... - 18 -
- 1 -
July, 2007
V0.24P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
