— 18 —
5-4-2. Pin description
PIN NO
PIN NAME
I / O
D E S C R I P T I O N
1
MD1
IN
VCC (3.3V)
2
MD2
IN
GND
3
Vcc-RTC
-
Vrtc (1.90V)
4
XTAL2
OUT
CLOCK (32.768KHz)
5
EXTAL2
IN
CLOCK (32.768KHz)
6
Vss-RTC
-
RTC (GND)
7
NMI
IN
Not used
8
IRQ0/IRL0/PTH[0]
IN/IN/I/O
Power cut
9
IRQ1/IRL1/PTH[1]
IN/IN/I/O
UART INT
10
IRQ2/IRL2/PTH[2]
IN/IN/I/O
PCMCIA INT
11
IRQ3/IRL3/PTH[3]
IN/IN/I/O
IOC CPU CTS
12
IRQ4/PTH[4]
IN/I/O
ARCENT/Ether Net INT
13
D31/PTB[7]
I/O
Data bus (D31)
14
D30/PTB[6]
I/O
Data bus (D30)
15
D29/PTB[5]
I/O
Data bus (D29)
16
D28/PTB[4]
I/O
Data bus (D28)
17
D27/PTB[3]
I/O
Data bus (D27)
18
D26/PTB[2]
-
Data bus (D26)
19
VssQ
I/O
I/O Power supply (0V)
20
D25/PTA[1]
-
Data bus (D25)
21
VccQ
I/O
I/O Power supply (3.3V)
22
D24/PTA[0]
I/O
Data bus (D24)
23
D23/PTA[7]
I/O
Data bus (D23)
24
D22/PTA[6]
I/O
Data bus (D22)
25
D21/PTA[5]
I/O
Data bus (D21)
26
D20/PTA[4]
I/O
Data bus (D20)
27
Vss
-
GND
28
D19/PTA[3]
I/O
Data bus (D19)
29
Vcc
-
VCC
30
D18/PTA[2]
I/O
Data bus (D16)
31
D17/PTA[1]
I/O
Data bus (D17)
32
D16/PTA[0]
I/O
Data bus (D18)
33
VssQ
I/O
GND
34
D15
I/O
Data bus (D15)
35
VccQ
I/O
I/O Power supply (3.3V)
36
D14
I/O
Data bus (D14)
37
D13
I/O
Data bus (D13)
38
D12
I/O
Data bus (D12)
39
D11
I/O
Data bus (D11)
40
D10
I/O
Data bus (D10)
41
D9
I/O
Data bus (D9)
42
D8
I/O
Data bus (D8)
43
D7
I/O
Data bus (D7)
44
D6
I/O
Data bus (D6)
45
VssQ
-
I/O Power supply (0V)
46
D5
I/O
Data bus (D5)
47
VccQ
I/O
I/O Power supply (3.3V)
48
D4
I/O
Data bus (D4)
49
D3
I/O
Data bus (D3)
50
D2
I/O
Data bus (D2)
51
D1
I/O
Data bus (D1)
52
D0
I/O
Data bus (D0)
53
A0
OUT
Address bus (A0)
54
A1
OUT
Address bus (A1)
55
A2
OUT
Address bus (A2)
56
A3
OUT
Address bus (A3)
57
VssQ
-
I/O Power supply (0V)
58
A4
OUT
Address bus (A4)
59
VccQ
-
I/O Power supply (3.3V)
60
A5
OUT
Address bus (A5)
61
A6
OUT
Address bus (A6)
62
A7
OUT
Address bus (A7)
63
A8
OUT
Address bus (A8)
64
A9
OUT
Address bus (A9)
65
A10
OUT
Address bus (A10)
66
A11
OUT
Address bus (A11)
67
A12
OUT
Address bus (A12)
Summary of Contents for QT-2100
Page 1: ...SERVICE MANUAL ELECTRONIC CASH REGISTER without price QT 2100 EX 590 FEB 2002 ...
Page 70: ... 68 12 PCB LAYOUT Front side IC7 IC8 IC12 IC15 IC14 IC11 IC4 IC1 ...
Page 84: ... 82 KEY BOARD2 E441379 QT 2100 EX 590 CASIO COMPUTER CO LTD Model Name Drawing No ...
Page 85: ... 83 E341303 Drawing No Name CONNECTOR BOARD1 Model QT 2100 EX 590 CASIO COMPUTER CO LTD ...
Page 86: ... 84 Drawing No CONNECTOR BOARD2 Name E441378 Model QT 2100 EX 590 CASIO COMPUTER CO LTD ...
Page 87: ... 85 E441380 KEYSHEET SW QT 2100 EX 590 CASIO COMPUTER CO LTD Drawing No Model Name ...
Page 88: ... 86 E441381 ARCNET BOARD Model QT 2100 EX590 CASIO COMPUTER CO LTD Drawing No Name ...
Page 91: ... 89 REMOTE DISP E441383 Drawing No Name CASIO COMPUTER CO LTD Model QT 2100 EX 590 ...
Page 94: ... 92 46 45 50 39 56 57 41 42 54 34 55 58 48 51 59 49 40 53 52 44 43 47 38 37 36 35 ...
Page 111: ... 109 17 DRAWER DL 3618 ...
Page 113: ... 111 18 DRAWER DL 3619 ...
