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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
GM310f service manual
3.2.5 GPIO map
Over a hundred allowable resources,
GM310
is using as follows except dedicated to SIM and Memory.
GM310
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-Gold3H-LC GPIO pin Map
GM310f service manual
Port Function
Net Name
Description
KEY MATRIX
KP_IN0
KEYIN0
KP_IN1
KEYIN1
KP_IN2
KEYIN2
KP_IN3
KEYIN3
KP_IN4
KEYIN4
KP_IN5
KEYIN05
KP_IN6
KEYOUT5
KP_OUT0
KEYOUT0
KP_OUT1
KEYOUT1
KP_OUT2
KEYOUT2
KP_OUT3
KEYOUT3
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
TCC_PWRON
Multimedia chip power on
USIF2 _TXD_MTSR
TCC_RESET
Multimedia chip reset
USIF2_RTS_N
BT_UART_RTS Bluetooth
RTS
USIF2_CTS_N
BT_UART_CTS Bluetooth
CTS
USIF3
USIF3 _RXD_MRST
BT_UART_RX
Bluetooth UART Data
USIF3 _TXD_MTSR
BT_UART_TX Bluetooth
UART
Data
GPIO_21
USB_SEL
USB 1.1, 2.0 select
CLK
CLK32K
CLK32k
For FM Radio, BT CLK32K
GPIO_22
Not used
Содержание GM310
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