Page 3 of 6 AR-B9891 Manual Part No: 220010326-G
1. HARD DISK DRIVE CONNECTOR
(
IDE1)
Note:
If the user connects HDD by ATA33 cable,
then the CF1 & IDE1 devices will only
work at ATA33 mode. It’s be limited by the
cable.
2. DIGITAL I/O & MICROPHONE
CONNECTOR (
GPIO
)
PIN
SIGNAL
PIN
SIGNAL
1
+3.3V
2
GND
3 PD0 4
PD1
5 PD2 6
PD3
7 PD4 8
PD5
9 PD6 10
PD7
11
SIO_GPIO10
12
SIO_GPIO11
13
SIO_GPIO12
14
SIO_GPIO13
15
SIO_GPIO14
16
SIO_GPIO15
17
SIO_GPIO16
18
SIO_GPIO17
19
GND_AUD
20
MICIN2
Note:
1. The Pin.19 and Pin.20 are for
microphone2 signal input.
2. PD0~7 are +3.3V level;
SIO_GPIO10~17 are +5V level.
3. POWER CONNECTOR (
PWRIN1
)
Pin.1: +10V~+15V input
Pin.2: GND
4. RS485 CONNECTOR (
RS1
)
Pin.1: GND
Pin.2: RS485 data-
Pin.3: RS485 data+
5. LCD INVERTER CONNECTOR (
INV1,
INV2
)
Pin.1: Backlight Enable
Pin.2: Backlight Control
Pin.3:
+12V
Pin.4: GND
6. TOUCH PANEL CONNECTOR (
TSC1
)
Pin.1: X+
Pin.2: Y+
Pin.3: X-
Pin.4: Y-
PIN
SIGNAL
PIN
SIGNAL
1 /RESET 2 GND
3
SDATA 7
4
SDATA 8
5
SDATA 6
6
SDATA 9
7
SDATA 5
8
SDATA 10
9
SDATA 4
10
SDATA 11
11
SDATA 3
12
SDATA 12
13
SDATA 2
14
SDATA 13
15
SDATA 1
16
SDATA 14
17
SDATA 0
18
SDATA 15
19 GND 20 N.C
21 SDDREQ
22
GND
23 /SDIOW 24 GND
25 /SDIOR 26 GND
27 SIORDY 28 GND
29 /SDDACK
30
GND
31 IRQ15 32 N.C
33 SDA1 34 /LID
35 SDA0 36 SDA2
37 /SDCS1 38 /SDCS3
39 /HD_LED2
40
GND
41 +5V 42 +5V
43 GND 44 NC
