Digi NS9750 User Manual
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N S 9 7 5 0 P i n o u t
AC12
gpio[20]
1
U
8
I/O
00
Ser port C DTR
01
LCD clock
02
Reserved
03
GPIO 20
AF11
gpio[21]
U
4
I/O
00
Ser port C DSR
01
LCD frame pulse-vert
02
Reserved
03
GPIO 21
AE11
gpio[22]
U
4
I/O
00
Ser port C RI / SPI port C clk
01
LCD AC bias-data enable
02
Reserved
03
GPIO 22
AD11
gpio[23]
U
4
I/O
00
Ser port C DCD / SPI port C enable
01
LCD line end
02
Timer 14 (duplicate)
03
GPIO 23
AF10
gpio[24]
1
U
4
I/O
00
Ser port D DTR
01
LCD data bit 0
02
Reserved
03
GPIO 24
AE10
gpio[25]
U
4
I/O
00
Ser port D DSR
01
LCD data bit 1
02
Timer 15 (duplicate)
03
GPIO 25
AD10
gpio[26]
U
4
I/O
00
Ser port D RI / SPI port D clk
01
LCD data bit 2
02
Timer 3
03
GPI0 26
AF9
gpio[27]
U
4
I/O
00
Ser port D DCD / SPI port D enable
01
LCD data bit 3
02
Timer 4
03
GPIO 27
Pin #
Signal
name
U/D
OD
(mA)
I/O
Description (4 options: 00, 01, 02, 03)
Table 10: GPIO MUX pinout