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3. HW Circuit Description
3.3.6 GPIO Map
In total 39 allowable resources, KM710d is using 36 resources except 3 resources dedicated to
PTCRB and SD card. KM710d GPIO(General Purpose Input/Output) Map, describing application, I/O
state, and enable level, is shown in below table 3.
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
<Table.3> GPIO Map
GPIO Pin
Pin No
NET Name
I/O
Comment
GPIO_00
M15
MM_RESET
O
telechips reset
GPIO_01
W21
MAIN_SUB_SEL
O
Main/Sub LCD select, sub lcd cs pin
GPIO_02
J15
BT_NRST
O
BT reset & SW : 0=UART, 1=Reset & BT UART
GPIO_03
B8
HALL1_OUT
I
Wheel Hall sw 1
GPIO_04
U19
USB_BOOT_SEL
I
USB booting mode
GPIO_05
R18
MM_INT
I
Telechips Interrupt
GPIO_06
V20
MM_1V2_EN
O
DCDC 1.2V select for telechips
GPIO_07
K14
BPEN
O
telechips BP enable
GPIO_08
W17
_EOC
I
End Of Charge
GPIO_09
V16
CHG_EN
O
charger enable
GPIO_10
Y16
GATED_IOEN
O
telechips IO enable
GPIO_11
R9
WHEEL_RST
O
Wheel chip reset
GPIO_12
G9
HS_PATH_SEL
O
Headset path select
GPIO_13
Y18
TOUCH_I2C_SCL
I/O Wheel Touch key control
GPIO_16
V17
FM_INT
I
FM radio Interrupt
GPIO_17
H10
HOOK_EN
O
Hook detect enable
GPIO_18
V19
SLCD_RST
O
Sub LCD Reset
GPIO_19
AA12 SPK_EN
O
speaker enable
GPIO_20
V10
DAC_EN
O
DA& power LDO enable(2.8V)
GPIO_21
AA10 DP_PWON
O
LCD/Wheel power LDO enable(2.8V)
GPIO_22
W10
MLCD_RST
O
Main LCD reset
GPIO_23
P10
JACK_DETECT
I
Jack Detect (DBB
내 부
pull up)
GPIO_26
D17
MM_LDO_EN
O
Telechips USB/Core 1.5V LDO enable
GPIO_27
V18
HOOK_DETECT
I
Hook dedect
GPIO_28
E18
HALL_PDN
O
Wheel HALL IC Power down
GPIO_29
C18
LEDI2C_SCL
I/O Wheel LED control
GPIO_30
Y8
LCD_BL_ENM
O
LCD backlight main enable
GPIO_32
G12
TOUCH_INT
I
Wheel Touch key Interrupt
GPIO_33
P13
TFLASH_DETECT
I
SD card detect, PTCRB Test(TR NA)
GPIO_36
AA13 -
-
eel Hall effect IC powerdown --> Not Used
GPIO_43
Y12
HALL2_OUT
O
Wheel Hall sw 2
GPIO_45
AA7
SD_INSERT_BB
O
Indicate SD card insert to telechips
GPIO_46
B12
TOUCH_I2C_SDA
I/O Wheel Touch key control
GPIO_47
G13
USB_DETECT_BB
O
Indicate USB detect to telechips
GPIO_48
W9
-
-
UART RX pin
이
GPIO
로 쓰 여 사 용 불 가
GPIO_57
R10
SLIDE
I
Slide detect
GPIO_59
D19
LEDI2C_SDA
I/O Wheel LED control
GPIO_60
B18
LCD_BL_ENS
O
LCD backlight sub enable
GPIO_63
V21
FM_RESET
O
FM radio reset
.
Charger Enable
O
.
CHG_EN
Содержание KM710
Страница 1: ...Date May 2008 Issue 1 0 Service Manual Model KM710c Service Manual KM710c Internal Use Only ...
Страница 123: ... 124 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
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Страница 139: ... 140 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
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