AR-B1550 User’s Guide
17
-I
H
K
---
---
D
---
D
---
D4 -
--
D
--
-
D2
---
D1 -
--
D
--
-
I
HRDY
---
EN
---
A1
---
A1
---
A17
---
A1
---
A1
---
A14
---
A1
---
A12
---
A11
---
A1
---
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
---
GND
---
RSTDRV
-
-- +5 VDC
--- IRQ9
--- +3 VDC
--
-DREQ2
---
IRQ1
---
/IRQ8
--
- IRQ12
---
GND
---
RT
--- RTCALE
---
-I
W
--- -
IOR
---
--DACK3
--
- DREQ3
-
-- -DACK1
---
-
-- -REFRESH
-
-- BUSCLK
---
IR
7
A
-
--
A
---
A7
---
A
---
A
---
A4
---
A
---
A2 -
--
A1
---
A
---
ND
---
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B32
---
IRQ6
--- IRQ5
--- IRQ4
-
-- IRQ3
--- -
DACK2
---
T
---
BALE
---
+5 VDC
---
24M
---
---
GND
1
2
3.2.11 Test Jumper (JP4)
12
34
56
JP4
CLOSE OPEN
1-2 PC104 10
th
pin=VCC3V RESERVED
3-4 PC104 14
th
pin=IRQ1 RESERVED
5-6 PC104 18
th
pin=IR12 RESERVED
JP4: Test Jumper Setting
Factory Preset : 1-2 (CLOSE)
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