LG MG180C Service Manual page 37

3. H/W Circuit Description
Connector Interface Spec.
2. Bottom System Connector
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
WS
24Pin
N.C
N.C
DSR
POWER(VCHG)
POWER(VCHG)
POWER ON(RPWON)
PCM_RX/TDI
PCM_CLK/TCK
PCM_SYNC/TMS
RX
PCM TX /TDO
POWER GND
RXD
TXD
TX
N.C
N.C
N.C
POWER GND
RTS
POWER(VBAT)
POWER(VBAT)
CTS
N.C
GND
GND
BATT_TEMP
VBAT
Table 3-9. Connector Interface Spec.
Separate
UART1
CHARGING (VCHG)
CHARGING (VCHG)
TEST (RPWON)
TEST : DAI/JTAG
TEST : DAI/JTAG
TEST : DAI/JTAG
UART2 (Receive Data)
TEST : DAI/JTAG
GND
UART1 (Receive Data)
UART1 (Transmit Data)
UART2 (Transmit Data)
GND
UART1 (Ready To Send)
POWER (VBAT)
POWER (VBAT)
UART1 (Clear To Send)
Battery GND
Battery GND
Battery Temp
Battery VBAT
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