Samsung STH-N271 Service Manual page 22

STH-N271 Test Procedure
CN201 Pin
1 GBOOT_DI
2 SCLK
3 DSR
4 SIN2
5 DO
6 SOUT2
7 RX_AUDIO
8 GND
9 C_FNSTRB
10 GND
11 TX_AUDIO
12 GND
13 DP_RX_DATA
14 DP_TX_DATA
15 HP_PWR
16 RI
17 CD
18 V_F
19 GND
20 RTS
21 BATT
22 BATT
23 CTS
24 DTR
25 GND
26 C_F
27 V_F
28 BATT
Table 4- Interface Button Connector
Signal Name
BOOT & Data IN (serial interface)
Serial Interface clock
UART1 signal
UART2 IN signal
Data OUT (serial interface)
UART2 OUT signal
HFK audio receiver signal
Battery interface & Strobe (serial interface)
HFK audio transmitter signal
UART1 RX data
UART1 TX data
External power on ( Test I/F Adapter / HFK)
UART1 signal
UART1 signal
Battery interface signal
UART1 signal
UART1 signal
UART1 signal
Battery interface & Strobe (serial interface)
Battery interface signal
Battery + Voltage
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