LG KM710 Service Manual - Page 27

GPIO Map - lcd

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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. GPIO Pin GPIO_00 GPIO_01 GPIO_02 GPIO_03 GPIO_04 GPIO_05 GPIO_06 GPIO_07 GPIO_08 GPIO_09 GPIO_10 GPIO_11 GPIO_12 GPIO_13 GPIO_16 GPIO_17 GPIO_18 GPIO_19 GPIO_20 GPIO_21 GPIO_22 GPIO_23 GPIO_26 GPIO_27 GPIO_28 GPIO_29 GPIO_30 GPIO_32 GPIO_33 GPIO_36 GPIO_43 GPIO_45 GPIO_46 GPIO_47 GPIO_48 GPIO_57 GPIO_59 GPIO_60 GPIO_63 Pin No NET Name M15 MM_RESET W21 MAIN_SUB_SEL J15 BT_NRST B8 HALL1_OUT U19 USB_BOOT_SEL R18 MM_INT V20 MM_1V2_EN K14 BPEN W17 _EOC V16 CHG_EN Y16 GATED_IOEN R9 WHEEL_RST G9 HS_PATH_SEL Y18 TOUCH_I2C_SCL V17 FM_INT H10 HOOK_EN V19 SLCD_RST AA12 SPK_EN V10 DAC_EN AA10 DP_PWON W10 MLCD_RST P10 JACK_DETECT D17 MM_LDO_EN V18 HOOK_DETECT E18 HALL_PDN C18 LEDI2C_SCL Y8 LCD_BL_ENM G12 TOUCH_INT P13 TFLASH_DETECT AA13 C- HG_EN. Y12 HALL2_OUT AA7 SD_INSERT_BB B12 TOUCH_I2C_SDA G13 USB_DETECT_BB W9 - R10 SLIDE D19 LEDI2C_SDA B18 LCD_BL_ENS V21 FM_RESET I/O Comment O telechips reset O Main/Sub LCD select, sub lcd cs pin O BT reset & SW : 0=UART, 1=Reset & BT UART I Wheel Hall sw 1 I USB booting mode I Telechips Interrupt O DCDC 1.2V select for telechips O telechips BP enable I End Of Charge O charger enable O telechips IO enable O Wheel chip reset O Headset path select I/O Wheel Touch key control I FM radio Interrupt O Hook detect enable O Sub LCD Reset O speaker enable O DA& power LDO enable(2.8V) O LCD/Wheel power LDO enable(2.8V) O Main LCD reset I Jack Detect (DBB 내 부 pull up) O Telechips USB/Core 1.5V LDO enable I Hook dedect O Wheel HALL IC Power down I/O Wheel LED control O LCD backlight main enable I Wheel Touch key Interrupt I SD card detect, PTCRB Test(TR NA) O- eCehlaHrgaellr eEfnfeabclteIC powerd.own --> Not Used O Wheel Hall sw 2 O Indicate SD card insert to telechips I/O Wheel Touch key control O Indicate USB detect to telechips - UART RX pin이 GPIO I Slide detect I/O Wheel LED control O LCD backlight sub enable O FM radio reset GPIO Map LGE Internal Use Only - 28 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

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- 28 -
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&AMP 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
내부
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 쓰여 사용 불가
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 rese
t
Charger Enable
O
CHG_EN