LG GW520 - Page 23

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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. BB Circuit Technical brief
GW520 service manual
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
GW520 service manual
Port Function Net Name Description
KEY MATRIX
KP_IN0
NA
KP_IN1
KEY_12C_SCL
KP_IN2
KEY_12C_SDA
KP_IN3
KEY_INT
KP_IN4
TP(NA)
KP_IN5
ACCEL_INT
KP_IN6
NA
KP_OUT0
VGA_PWDN
KP_OUT1
12C3_SCL
KP_OUT2
12C3_SDA
KP_OUT3
LIN_INVERTER
USIF1
USIF1_RXD_MRST
UART_RX UART Data
USIF1_TXD_MTSR
UART_TX UART Data
USIF1_RTS_N
USB_ DAT_VP USB Data
USIF1_CTS_N
USB_SE0_VM USB Data
USIF2
USIF2 _RXD_MRST
TP(NA)
USIF2 _TXD_MTSR
RPWRON_DBB
USIF2_RTS_N
UART_BT_RTS Bluetooth RTS
USIF2_CTS_N
UART_BT_CTS Bluetooth CTS
USIF3
USIF3_RXD_MRST(EINT6)
UART_BT_RX Bluetooth UART Data
USIF3 _TXD_MTSR
UART_BT_TX Bluetooth UART Data
USIF3_SCLK
LIN_MOTOR_EN
CLK
CLK32K
CLK32k For FM Radio, BT CLK32K
CLK26M
TO THE FLIPFLOP(CLK26M)
I2C3_SCL
I2C3_SDA