Manual

AR-B7230 User’s Manual
18
6
U2-
16
LCK+ 26 L0-
7
U2+
17
LCK- 27 L3+
8
GND
18
GND 28 L3-
9
U1-
19
L2+ 29 +VDD
10
U1+
20
L2- 30 +VDD
2.3.18 BAT1 (External Battery Input)
21
PIN
SIGNAL
1 3VIN
2 GND
2.3.19 IDE1
1
43
2
44
PIN SIGNAL PIN SIGNAL PIN SIGNAL PIN SIGNAL
1
RST-
12
D12 23 IOW- 34 DMA66-
2
GND
13
D2 24 GND 35 A0
3
D7
14
D13 25 IOR- 36 A2
4
D8
15
D1 26 GND 37 CS0-
5
D6
16
D14 27 IRDY 38 CS1-
6
D9
17
D0 28 CSEL 39 ACT-
7
D5
18
D15 29 DACK- 40 GND
8
D10
19
GND 30 GND 41 +5V
9
D4
20
NC 31 IRQ 42 +5V
10
D11 21 DREQ- 32 NC 43 GND
11
D3 22 GND 33 A1 44 NC
2.3.20 PS2 (Keyboard & Mouse)
12
3
5
4
6
PIN SIGNAL PIN SIGNAL
1 KBDAT 4 +5V
2 MSDAT 5 KBCLK
3 GND 6 MSCLK
2.3.21 J1
3
1
(Default) 1-2 Short, Normal
2-3 Short, Clear CMOS
2.3.22 J2
2
17
8
(Default) 1-2 Short, SPI ENABLE
3~8 SIGNAL DEBUG CHECK