Table of Contents
1.GENERAL DESCRIPTION .......................................................................................................................................- 3 -
2.FEATURES................................................................................................................................................................- 3 -
3.KEY SPECIFICATIONS ............................................................................................................................................- 4 -
4.PIN CONFIGURATION .............................................................................................................................................- 4 -
5.PIN DESCRIPTION...................................................................................................................................................- 5 -
5.1 POWER PIN ........................................................................................................................................................- 5 -
5.2 VID CONTROL AND GPIO PINS ............................................................................................................................- 5 -
6.FUNCTIONAL DESCRIPTION..................................................................................................................................- 6 -
6.1 GENERAL DESCRIPTION ......................................................................................................................................- 6 -
6.2 ACCESS INTERFACE ............................................................................................................................................- 7 -
6.3 THE SMBUS ACCESS TIMING ARE SHOWN AS FOLLOW: ..........................................................................................- 7 -
6.4 VID FUNCTION ...................................................................................................................................................- 8 -
6.5 GPIO FUNCTION ................................................................................................................................................- 8 -
6.5.1 General GPIO Function................................................................................................................................. - 8 -
6.5.3 Reset Out (RSTOUT) Function..................................................................................................................... - 9 -
6..4 Watchdog Function ......................................................................................................................................... - 9 -
7.REGISTERS DESCRIPTION ....................................................................................................................................- 9 -
7.1 CONFIGURATION AND CONTROL REGISTER – INDEX 01H .......................................................................................- 9 -
7.2 STATUS REGISTER – INDEX 02H ........................................................................................................................- 10 -
7.3 CONFIGURATION AND FUNCTION SELECT REGISTER – INDEX 03H.........................................................................- 10 -
7.6 LED FREQ CONTROL REGISTER – INDEX 06H .................................................................................................... - 11 -
7.10 GPIO1X OUTPUT CONTROL REGISTER – INDEX 10H ........................................................................................- 12 -
7.11 GPIO1X OUTPUT DATA REGISTER – INDEX 11H................................................................................................- 12 -
7.12 GPIO1X INPUT STATUS REGISTER – INDEX 12H ...............................................................................................- 12 -
7.13 GPIO1X LEVEL/PULSE CONTROL REGISTER – INDEX 13H ................................................................................- 13 -
7.14 GPIO1X PULSE WIDTH CONTROL REGISTER – INDEX 14H................................................................................- 13 -
7.15 GPIO1X PULL-UP RESISTOR CONTROL REGISTER – INDEX 15H........................................................................- 13 -
7.16 GPIO1X INPUT DE-BOUNCE REGISTER – INDEX 16H ........................................................................................- 14 -
7.17 GPIO1X PULSE INVERSE REGISTER – INDEX 17H ............................................................................................- 14 -
7.18 EDGE DETECTOR ENABLE REGISTER – INDEX 0X18 .........................................................................................- 15 -
7.19 EDGE DETECTOR STATUS REGISTER – INDEX 0X19..........................................................................................- 15 -
7.20 IRQ OR SMI# ENABLE REGISTER – INDEX 0X1A ..............................................................................................- 15 -
- 1 -
July, 2007
V0.28P
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