LG GT350 Service Manual page 22

3.2.7 GPIO map
Over a hundred allowable resources, GT350 is using as follows except dedicated to SIM and Memory.
GPIO(General Purpose Input/Output) Map, describing application is shown in below table
Table 5 S-Gold3 GPIO pin Map
Port function
#Keypad
KP_IN0
KP_IN1
KP_IN2
KP_IN3
KP_IN4
KP_IN5
KP_IN6
KP_OUT0
KP_OUT1
KP_OUT2
KP_OUT3
#USIF1: Universal
Serial IF
#USB
USIF1_RXD_MRST
USIF1_TXD_MTSR
USIF1_RTS_N
USIF1_CTS_N
#USIF2: Universal
Serial IF
USIF2_RXD_MRST
USIF2_TXD_MTSR
USIF2_RTS_N
USIF2_CTS_N
#USIF3: Universal
Serial IF
USIF3_RXD_MRST
USIF3_TXD_MTSR
USIF3_SCLK
#MMCI2: Intrachip
MMCI2_CMD
MMCI2_DAT[0]
MMCI2_CLK
#CIF: Camera Interface
CIF_D0
CIF_D1
CIF_D2
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Only for training and service purposes
Net name
IF_MODE0
KEY_INT
JACK_DETECT
KEY_I2C_SCL
KEY_I2C_SDA
UART_RX
UART_TX
USB_DAT_VP
USB_SE0_VM
VIB_EN
UART_BT_RTS
UART_BT_CTS
CIF_D0
CIF_D1
CIF_D2
Description
LCD Interface mode 0
Key coder IC interrupt
Ear-mic jack detect
Key coder IC's I2C clock
Key coder IC's I2C data
UART, RS232 Data
UART, RS232 Data
USB Data
USB Data
Moter enable
Bluetooth RTS
Bluetooth CTS
Camera DATA[0]
Camera DATA[1]
Camera DATA[2]
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3. TECHNICAL BRIEF
LGE Internal Use Only