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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
Downloaded From TV-Manual.com Manuals
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
HISENSE_MT8222_EU
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
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Table of Contents
Troubleshooting
