Advantech SPC-57 User Manual page 35

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