I2C_ADDR
INtsd100k
The GPIO serial bus hardware power on
setting pin. Default address is 0x9C
(when I2C_ADDR=0). Another one is
0x6E (when I2C_ADDR=1). This pin
internal pull-down 100k to Ground. If this
pin is pull-up 10k to VSB3V, this pin will
be trapped to 1.
13
14
15
SDATA
SCLK
I/OD12ts
INts
VSB3V
VSB3V
VSB3V
SMbus data.
SMBus clock
RSTOUT#
OD12
System reset signal when the Reset-Out
timer is time out. This pin will generate
100mS pulse when the Reset-Out timer
is timeout.
17
SLOTOCC#
VIDOUT[0:5]
INts
VBAT
Powered by VBAT. CPU detect pin.
CPU Voltage ID output.
24,23,22,21,
20,19
OD16
VSB3V
28
SEL
INtsd100k
VSB3V
VSB3V
Default pull up to 3VSB.
General purpose I/O pins.
2,27,26,25
GPIO30,GPIO31, I/OD12ts
GPIO32,GPIO33
6. Functional Description
6.1 General Description
The F75121 provides VIDIN, VIDOUT function. It can latch the VIDIN from CPU side, and output VIDOUT to
PWM. The VIDOUT value can be programmed by the interface GPIO Serial Bus serial interface.
Dedicate GPIO functions. That includes two set watchdog timer. The watchdog timer timeout unit is set to second
and range is 0 to 31 seconds. When the timeout has occurred, that will generate a status bit to indicate it and write
one will be clear.
All GPIO can be programmed to logic one or zero or high pulse or low pulse.
- 7 -
July, 2007
V0.24P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
