BGH BL3209S Manual De Servicio página 31

5
MT8222_P1V1 (DDR1)
D
( DDR1 WITH TERMINATION )
GPIO usage
GPIO Definition
ADIN0 SCART FS
ADIN1
SCART FS
ADIN2 4052 SWITCH
ADIN3 KEYPAD
ADIN4 KEYPAD
ADIN5 HDMI/VGA EDID E2PROM WP
GPIO_20
Audio MUX
GPIO_21
AMP_MUTE CONTROL
GPIO_22
GAME
GPIO_23
GAME
GPIO_24
GAME
GPIO_25 GAME
PWM0
DIMMING CONTROL
C
PWM1 Power conversion to 33V
PWM2 SYSTEM E2PROM WP
PWM3 Audio MUX
UP30 BL ON/OFF CONTROL
UP31 NORMAL POWER ON/OFF
UP33 HMDI 0 HPLUG DETECT
UP34 HMDI 1 HPLUG DETECT
UP35
HMDI 2 HPLUG DETECT
GPIO_0
MICPHOTO RESERVE
GPIO_1 LVDS RESERVED
GPIO_2
FCI
GPIO_3
FCI
GPIO_4 LVDS POWER ON/OFF
GPIO_5 AMP_SD/FCI
GPIO_6
SCART1 VIDEO OUTPUT SW/FCI
GPIO_7 FCI
GPIO_8 FCI
FCI
GPIO_9
GPIO_10 FCI
B
GPIO_11 4052 SWITCH
Audio MUX select bit 0
INT
SPDIFIN LVDS RESERVED
USB0 OC TAG
AOSDATA0
AOLRCK USB0 PWR ENABLE
USB1 PWR ENABLE
AOBCLK
AOMCLK USB1 OC TAG
A
5
4
VERSION V1.0
Function define
POWER
High = WP disable
High = Mute on
MCU WT6702
High = WP disable
Low = Backlight on
Low = Normal power on
Power Distribution
Hi = LVDS power on
Low = HP insert
4
3
LVDS out SFlash
E2PROM
DAC
DDR1
MT8222
USBx2
YPbPr x 2
HDMIx3
VGA
Scart x 2
3
2 1
Analog AMP
Speaker
TI3101D (10Wx2)
4558
Headphone
4052 x 2
RF Tuner
Micphone CVBS x 2
Interface S-Video x 1
TDA9885
MediaTek Confidential MediaTek Confidential MediaTek Confidential
MediaTek (ShenZhen) Inc. MediaTek (ShenZhen) Inc. MediaTek (ShenZhen) Inc.
Title Title Title
GPIO/BLOCK
Document Number Document Number Document Number
Size Size Size
C C C
Date: Date: Date: 2008/1/25
2 1
D
C
B
A
Rev Rev Rev
Drawn: Drawn: Drawn: 1 1 1
Jiu.Ni
Sheet Sheet Sheet 1 1 1 of of of 14 14 14