Advantech SPC-57 - Manual (Page 35)

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17 DI 5* Digital input bit 5.
18 DO 5* Digital output bit 5.
19 DI 6* Digital input bit 6.
20 DO 6* Digital output bit 6.
21 DI 7* Digital input bit 7.
22 DO 7* Digital output bit 7.
23 GND
24 VCC3P3
25
SPK_OUT_RP
positive port of right channel
speaker-out function
26
SPK_OUT_RN
negative port of right channel
speaker-out function
27
SPK_OUT_LP
positive port of left channel
speaker-out function
28
SPK_OUT_LN
negative port of left channel
speaker-out function
29 LINE_OUT_RP
30 LINE_OUT_LP
31 AC97_AGND
32 AC97_AGND
33 LINE_IN_L left channel of audio line-in port
34 LINE_IN_R right channel of audio line-in port
35 MIC_IN audio microphone-in port
36 AC97_AGND
37 nUART3_DCD
38 UART3_RXD
39 UART3_TXD
40 nUART3_DTR
41 GND
42 nUART3_DSR
43 nUART3_RTS
44 nUART3_CTS
45 nUART3_RI
46 VCC_UART3 +5V
47 nRESET_OUT
48
MODE
reserved for future use. pull-high by
100K resistor.
49 nUART2_DCD
50 UART2_RXD
51 UART2_TXD
52 nUART2_DTR
53 GND
54 nUART2_DSR
55 nUART2_RTS
56 nUART2_CTS
57 nUART2_RI
58 VCC_UART2 +5V
*Warning! Be careful when these DI/DO are used. Surge or over voltage may damage