Pin No.
Signal
In/Out
Function
75 ~ 77
PORT4~6
I/O
For data communication
78 ~ 82
–
Not used
83, 84
PI, PO
In/Out
Main clock terminal
85
DUMMY
–
Not used
86, 87
XI, XO
In/Out
Clock terminal
88
DUMMY
–
Not used
89 ~ 184
S1 ~ S96
Out
Segment signal for display
185 ~ 216
C1 ~ C32
Out
Common signal for display
217
VSSR
In
GND / 0[V]
218 ~ 222
V0 ~ V4
Out
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) ~ 2.5 (Max) [V]
V4 : 0.7 (Min) ~ 1.3 (Max) [V]
223, 224
VSS
In
GND / 0[V]
225
DUMMY
–
Not used
226
VCC
In
Power supply / 3[V]
227
VREG2
Out
2 [V]
228, 229
TS1, 2
–
Test for manufacture
230, 231
BZ1, 2
Out
Buzzer terminal
232
SW1
In
2.6[V]
While pushing the reset button: 0[V]
233, 234
VD1, 2
–
VD1: 4.7[V]
VD2: 1.5[V]
235, 236
VD3, 4
–
VD3: 4.7[V]
VD4: 1.5[V]
— 5 —
Содержание LX-171
Страница 1: ...JD 5000 LX 171 JUL 1993 R without price JD 5000 BU INDEX...
Страница 3: ...1 SCHEMATIC DIAGRAM 1...
Страница 12: ...6 EXPLDED VIEW 11...
Страница 13: ...13 7 PARTS LIST...
Страница 14: ...14...
Страница 15: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926...
