Only For Training And Service Purposes - LG GW520 Service Manual

3. BB Circuit Technical brief
3.2.5 GPIO map
Over a hundred allowable resources, GW520 is using as follows except dedicated to SIM and Memory.
GW520 GPIO(General Purpose Input/Output) Map, describing application, I/O state, and enable level,
is shown in below table
[Table 3.2.5-1] S-Gold®3H GPIO pin Map
Port Function
KEY MATRIX
KP_IN0
KP_IN1
KP_IN2
KP_IN3
KP_IN4
KP_IN5
KP_IN6
KP_OUT0
KP_OUT1
KP_OUT2
KP_OUT3
USIF1
USIF1_RXD_MRST
USIF1_TXD_MTSR
USIF1_RTS_N
USIF1_CTS_N
USIF2
USIF2 _RXD_MRST
USIF2 _TXD_MTSR
USIF2_RTS_N
USIF2_CTS_N
USIF3
USIF3_RXD_MRST(EINT6)
USIF3 _TXD_MTSR
USIF3_SCLK
CLK
CLK32K
CLK26M
LGE Internal Use Only
Net Name Description
NA
KEY_12C_SCL
KEY_12C_SDA
KEY_INT
TP(NA)
ACCEL_INT
NA
VGA_PWDN
12C3_SCL
I2C3_SCL
12C3_SDA
I2C3_SDA
LIN_INVERTER
UART_RX UART Data
UART_TX UART Data
USB_ DAT_VP USB Data
USB_SE0_VM USB Data
TP(NA)
RPWRON_DBB
UART_BT_RTS Bluetooth RTS
UART_BT_CTS Bluetooth CTS
UART_BT_RX Bluetooth UART Data
UART_BT_TX Bluetooth UART Data
LIN_MOTOR_EN
CLK32k For FM Radio, BT CLK32K
TO THE FLIPFLOP(CLK26M)
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GW520 service manual
GW520 service manual
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Only for training and service purposes