Casio TE-2000 Service Manual page 19
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Also See for TE-2000:
- User manual (88 pages) ,
- Operation manual (16 pages) ,
- Service manual (3 pages)
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5-2. CPU (IC14)
Pin description
PIN NO PIN NAME I / O
1
PVPON
2
DRW
3
WINDER
4
Avss
5
LATCH_R
6
LATCH_J
7
AVref1
8
Rxd
9
TxD
10
DSR
11
TAX_J
12
VPP_OUT
13
BAT_ON
14
F_PGM
15
PNE.S
16
PUP_TST
17
INIIT_SW
18
VPP_ERR
19
AD0
20
AD1
21
AD2
22
AD3
23
AD4
24
AD5
25
AD6
26
AD7
27
A8
28
A9
29
A10
30
A11
31
A12
32
A13
33
Vss
34
A14
35
A15
36
P60
37
P61
38
P62
39
P63
40
RD
D E S C R I P T I O N
I/O
PR_VPON
I/O
DRW
I/O
WINDER
-
VDD
I/O
H_LATCH_R
I/O
H_LATCH_J
IN
VDD
I/O
Rxd for COM1
I/O
TxD for COM1
I/O
DSR for COM1
I/O
tax free switch (JAPAN only)
-
Vss
-
Vss
-
Vss
-
Vss
-
VDD
-
Vss
-
Vss
I/O
DATA BUS (AD0)
I/O
DATA BUS (AD1)
I/O
DATA BUS (AD2)
I/O
DATA BUS (AD3)
I/O
DATA BUS (AD4)
I/O
DATA BUS (AD5)
I/O
DATA BUS (AD6)
I/O
DATA BUS (AD7)
I/O
ADDRESS BUS (A8)
I/O
ADDRESS BUS (A9)
I/O
ADDRESS BUS (A10)
I/O
ADDRESS BUS (A11)
I/O
ADDRESS BUS (A12)
I/O
ADDRESS BUS (A13)
-
Vss
I/O
ADDRESS BUS (A14)
I/O
ADDRESS BUS (A15)
-
Vss
-
Vss
-
Vss
-
Vss
I/O
Read signal for Memory
PIN NO PIN NAME I / O
41
WR
42
RAM_DIS
43
ASTB
44
MD_PGM
45
MD_RF
46
MD_REG
47
MD_CAL
48
MD_X
49
CLK1.25M
50
BUZZ
51
MD_Z
52
F_BA11
53
F_BA12
54
F_BA13
55
F_BA14
56
F_BA15
57
F_BA16
58
R_PE
59
J_PE
60
RESET
61
H_UP (R)
62
H_UP (J)
63
MT_IRQ
64
PWD
65
MD_OFF
66
PAD_US
67
Vss0
68
VDD1
69
X2
70
X1
71
IC
72
XT2
73
XT1
74
VDD0
75
AVref0
76
TEMP (R)
77
TEMP (J)
78
VPIN
79
L_BAT
80
DWS
— 17 —
D E S C R I P T I O N
I/O
Write signal for Memoey
I/O
Chip select for RAM
I/O
ASTB (to GATE Array)
I/O
PGM (from KEY)
I/O
RF (from KEY)
I/O
REG (from KEY)
I/O
CAL (from KEY)
I/O
X (from KEY)
I/O
CLOCK 1.25MHz (from GATE Array)
I/O
Buzzer signal
I/O
Z (from KEY)
-
Vss
-
Vss
-
Vss
-
Vss
-
Vss
-
Vss
IN
Pepar end signal
IN
Pepar end signal (TE-2000 only)
IN
RESET signal
IN
H-UP signal for Printer
I/O
H-UP signal for Printer (TE-2000 only)
I/O
MT_IRQ (from GATE Array)
I/O
Power supply status signal
I/O
OFF (from KEY)
-
VDD
-
Vss
-
VDD
IN
CLOCK 5.0MHz
IN
CLOCK 5.0MHz
-
Vss
IN
CLOCK
IN
CLOCK
-
VDD
IN
Power supply status signal
I/O
H_TEMP for Printer
I/O
H_TEMP for Printer (TE-2000 only)
I/O
Power supply status signal
I/O
Power supply status signal
I/O
Drawer status signal
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