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LSI PIN FUNCTION
1. CPU (HC3009-02-F1)
Pin No.
1
2 ~ 9
10
11
12
13
14
15 ~ 32
AO0 ~ 17
33
34
35, 37
DUMMY, TRANS
36
38 ~ 44
45
46 ~ 54
KO1, KO5 ~ 12
55
56
57
58 ~ 61
62, 63
VREG1, 4
64
65, 66
67, 68
69
70, 71
72, 73
74
75
76
77, 78
79 ~ 83
84
85 ~ 108
109, 110
111 ~ 205
206
207, 208
209
210, 211
212
213, 214
PORT2,3
215 ~ 217
PORT4 ~ 6
218
219
Signal
I n / O u t
DUMMY
—
IO0 ~ 7
In/Out
CS6B0
Out
CS7B0
Out
DUMMY
—
WEB0
Out
OEB0
Out
Out
IT0
In
IT2
In
—
BUFON
Out
KI1 ~ 7
In
K18
In
Out
DUMMY
—
VREG3
Out
VLCD
Out
VT1 ~ 4
—
—
VDB
In
VD3, 4
—
VD1, 2
—
SW1
In
BZ1, 2
Out
TS1, 2
—
VREG2
Out
VCC
In
DUMMY
—
VSS
In
V0 ~ 4
Out
VSSR
In
C1 ~ 24
Out
S1, S2
—
S3 ~ 96
Out
DUMMY
—
XI, XO
In/Out
DUMMY
—
PO, PI
In/Out
DUMMY
—
—
In/Out
PORT7
—
OPT2
—
— 10 —
Function
Not used
Data bus
Chip enable signal for ROM
Chip enable signal for RAM
Not used
Write enable signal for RAM
Output enable signal for RAM and ROM
Address bus
Reception data input
Interrupt signal input
Not used
Power supply control for ROM
Key input signal
Not used
Key scan signal
Not used
Power supply for RAM/3 (V)
5.9 [V]
VT1: 1.0 [V];
VT2: 2.9 [V]
VT3: 2.0 [V];
VT4: 3.9 [V]
VREG1: 2.6[V];
VREG4: 5.0[V]
Low battery detection
VDB<4.4 [V]
Lower battery message
VD3: 4.7[V];
VD4: 1.6[V]
VD1: 4.7[V];
VD2: 1.6[V]
2.6 [V]
While pushing the reset button: 0 [V]
Buzzer terminal
Test for manufacturer
2 [V]
Power supply / 3 [V]
Not used
GND/0 [V]
The voltage for LCD drive
OFF: 0 [V]
ON
V0: 3.6(Min) ~ 5.8(Max) [V]
V1: 2.9(Min) ~ 4.6(Max) [V]
V2: 2.1(Min) ~ 3.5(Max) [V]
V3: 1.4(Min) ~ 2.4(Max) [V]
V4: 0.7(Min) ~ 1.2(Max) [V]
GND / 0 [V]
Common signal display
Not used
Segment signal for display
Not used
Clock terminal (DT-26S)
Not used
Main clock terminal (3.45 MG)
Not used
Interrupt port
For data communication
Interrupt port
Not used
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