![Casio PA-2400U Service Manual And Parts List Download Page 32](http://html.mh-extra.com/html/casio/pa-2400u/pa-2400u_service-manual-and-parts-list_2568877032.webp)
— 29 —
MB87A915 (Gate Array/IC3)
N o .
Pin Name
V o l t
I n / O u t
Function
To/From
1
CFCE1B
3v
O
CE signal for CompactFlash card
CompactFlash card
2
IOPORT0
3v
I
Detects I/O BOX
Q131 (Power supply)
3
IOPORT1
3v
I/O
I/O Port 1
LCD unit
4
VSS
GND
5
V5D3
5V
I/O
Data bus
PCMCIA CARD
6
VS1
Voltage detect for PCMCIA
PCMCIA CARD
7
V5D4
5V
I/O
Data bus
PCMCIA CARD
8
V5D11
5V
I/O
Data bus
PCMCIA CARD
9
CD1B
I
PCMCIA CARD detect
PCMCIA CARD
10
V5D5
5V
I/O
Data bus
PCMCIA CARD
11
VDD1
5V
+5V source
12
V5CE2B
5V
O
CE2 signal for PCMCIA CARD
PCMCIA CARD
13
V5D12
5V
I/O
Data bus
PCMCIA CARD
14
V5D6
5V
I/O
Data bus
PCMCIA CARD
15
V5D13
5V
I/O
Data bus
PCMCIA CARD
16
V5CE1B
5V
O
CE1 signal for PCMCIA CARD
PCMCIA CARD
17
V5A10
5V
O
Address bus
PCMCIA CARD
18
V5OEB
5V
O
OE signal for PCMCIA CARD
PCMCIA CARD
19
V5A11
5V
O
Address bus
PCMCIA CARD
20
VSS
GND
21
VDD1
5V
+5V source
22
VSS
GND
23
V5IORDB
5V
O
IORD signal for PCMCIA CARD
PCMCIA CARD
24
V5A9
5V
O
Address bus
PCMCIA CARD
25
V5IOWRB
5V
O
IOWR signal for PCMCIA CARD
PCMCIA CARD
26
V5A8
5V
O
Address bus
PCMCIA CARD
27
V5A17
5V
O
Address bus
PCMCIA CARD
28
V5A13
5V
O
Address bus
PCMCIA CARD
29
V5A18
5V
O
Address bus
PCMCIA CARD
30
V5A14
5V
O
Address bus
PCMCIA CARD
31
VDD1
5V
+5V source
32
V5A19
5V
O
Address bus
PCMCIA CARD
33
V5WEB
5V
O
WE signal for PCMCIA CARD
PCMCIA CARD
34
V5A20
5V
O
Address bus
PCMCIA CARD
35
V5A21
5V
O
Address bus
PCMCIA CARD
36
V5A16
5V
O
Address bus
PCMCIA CARD
37
VSS
GND
38
V5A22
5V
O
Address bus
PCMCIA CARD
39
V5A15
5V
O
Address bus
PCMCIA CARD
40
VDD1
5V
+5V source
41
V5A23
5V
O
Address bus
PCMCIA CARD
42
V5A12
5V
O
Address bus
PCMCIA CARD
43
V5A24
5V
O
Address bus
PCMCIA CARD
44
V5A7
5V
O
Address bus
PCMCIA CARD
45
VDD1
5V
+5V source
46
VSS
GND
47
V5A25
5V
O
Address bus
PCMCIA CARD
48
V5A6
5V
O
Address bus
PCMCIA CARD
49
V5A5
5V
O
Address bus
PCMCIA CARD
50
V5RESET
5V
O
Reset signal for PCMCIA CARD
PCMCIA CARD
51
V5A4
5V
O
Address bus
PCMCIA CARD
52
V5A3
5V
O
Address bus
PCMCIA CARD
53
V5A2
5V
O
Address bus
PCMCIA CARD
54
V5REGB
5V
O
Attribute memory select
PCMCIA CARD
55
VDD1
5V
+5V source
56
V5D7
5V
I/O
Data bus
PCMCIA CARD
57
V5D14
5V
I/O
Data bus
PCMCIA CARD
58
V5A1
5V
O
Address bus
PCMCIA CARD
59
V5D15
5V
I/O
Data bus
PCMCIA CARD
Summary of Contents for PA-2400U
Page 1: ...Handheld Personal Computer PA 2400U PX 686 R MAR 1998 without price PA 2400U ...
Page 25: ... 22 7 Restoring starts 8 Click OK ...
Page 77: ... 74 P668 MROM MASK ROM for OS for dictionary ...
Page 78: ... 75 from MAIN PCB P686 LED LED ...
Page 79: ... 76 from MAIN PCB from MAIN PCB P686 PWKEY POWER KEY P686 2KEY EL CALB KEY ...
Page 80: ... 77 from MAIN PCB from MAIN PCB P686 ADP AC ADAPTOR P686 3PIN 3PIN I F ...