Only For Training And Service Purposes - LG KM380t Service Manual

3. TECHNICAL BRIEF
3.2.7 GPIO map
Over a hundred allowable resources, KM380t series is using as follows except dedicated to SIM and
Memory. KM380t series GPIO(General Purpose Input/Output) Map, describing application, I/O state,
and enable level, is shown in below table.
Table 5. S-GOLDRadio GPIO pin Map
Port Function
KEY MATRIX
KP_IN2
KP_IN3
KP_IN4
KP_IN5
KP_IN6
KP_OUT0
KP_OUT1
KP_OUT2
KP_OUT3
DSPIN1
UART0
UART0_RXD
UART0_TXD
UART0_RTS_N
UART0_CTS_N
USIF
USIF_TXD_MTSR
USIF_RXD_MRST
TOUT_3
TOUT_4
USB
USB_DPLUS
USB_DMINUS
CLK
DSPIN0
LGE Internal Use Only
Net Name
KP_IN(2)
KP_IN(3)
KP_IN(4)
KP_IN(5)
KP_IN(6)
KP_OUT(0)
KP_OUT(1)
KP_OUT(2)
KP_OUT(3)
KP_OUT(4)
UART_RX
UART_TX
uSD_DET
MM_RESET
UART_BT_TX
UART_BT_RX
UART_BT_RTS
UART_BT_CTS
USB_BB_DP
USB_BB_DM
CLK32K
- 24 -
Description
UART, RS232 Data
UART, RS232 Data
Micro SD Card Detect
MP3 Decoder Reset
Bluetooth RTS
Bluetooth CTS
USB +
USB -
For FM Radio, BT CLK32K
Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes