Segment Display Driver Upd16312Gb-3B4 - Casio CE-7000 Service Manual

Pin No.Signal Name Description
1 TO0 BLINK OUT
2 TO1 BK1 SIGNAL
3 TO2 BK2 SIGNAL
4 TI1 SIG
5 TI2 CLKG
6 PCL BK
7 BUZ LAT1/LAT2
8 P37 VFD RS
9 VSS GND
10 AD0 CONNECTED TO GND
11 AD1 CONNECTED TO GND
12 AD2 CONNECTED TO GND
13 AD3 CONNECTED TO GND
14 AD4 CONNECTED TO GND
15 AD5 CONNECTED TO GND
16 AD6 CONNECTED TO GND
17 AD7 CONNECTED TO GND
18 A8 CONNECTED TO GND
19 A9 CONNECTED TO GND
20 A10 CONNECTED TO GND
21 A11 CONNECTED TO GND
22 A12 CONNECTED TO GND
23 A13 CONNECTED TO GND
24 VSS GND
25 A14 CONNECTED TO GND
26 A15 CONNECTED TO GND
27 P60 CONNECTED TO GND
28 P61 CONNECTED TO GND
29 P62 CONNECTED TO GND
30 P63 CONNECTED TO GND
31 RD CONNECTED TO GND
32 WR CONNECTED TO GND

6-15. Segment display driver uPD16312GB-3B4

Pin No.Signal Name Description
1 SW1 CONNECTED TO GND
2 SW2 CONNECTED TO GND
3 SW3 CONNECTED TO GND
4 SW4 CONNECTED TO GND
5 DOUT NOT USED
6 DIN SO
7 VSS GND
8 CLK SCK
9 STB CE
10 KEY1 CONNECTED TO GND
11 KEY2 CONNECTED TO GND
12 KEY3 CONNECTED TO GND
13 KEY4 CONNECTED TO GND
14 VDD VCC
15 SEG1 SEGMENT SIGNAL SA
16 SEG2 SEGMENT SIGNAL SB
17 SEG3 SEGMENT SIGNAL SC
18 SEG4 SEGMENT SIGNAL SD
19 SEG5 SEGMENT SIGNAL SE
20 SEG6 SEGMENT SIGNAL SF
21 SEG7 SEGMENT SIGNAL SDP
22 SEG8 SEGMENT SIGNAL SG
In/Out Pin No. Description
Out 33 WAIT CONNECTED TO GND
Out 34 ASTB CONNECTED TO GND
Out 35 RESET VFD RESET SIGNAL
Out 36 INTP0/TI0 VFD BK
Out 37 INTP1 VFD CE
Out 38 INTP2 VFD WR
Out 39 INTP3 SOG
In 40 VDD VCC
41 X2 CLOCK INPUT
In/Out 42 X1 CLOCK INPUT
In/Out 43 IC CONNECTED TO GND
In/Out 44 XT2 NOT USED
In/Out 45 XT1 CONNECTED TO GND
In/Out 46 AVSS CONNECTED TO GND
In/Out 47 ANI0 VFD D0
In/Out 48 ANI1 VFD D1
In/Out 49 ANI2 VFD D2
Out 50 ANI3 VFD D3
Out 51 ANI4 VFD D4
Out 52 ANI5 VFD D5
Out 53 ANI6 VFD D6
Out 54 ANI7 VFD D7
Out 55 AVDD VDD
56 AVREF CONNECTED TO VDD
Out 57 SI1 CONNECTED TO GND
Out 58 SO1 SI1/SI2
In/Out 59 SCK1 SCLK1/SCLK2
In/Out 60 STB CHIP ENABLE FOR uPD16312GB-3B4
In/Out 61 BUSY VFD BUSY
In/Out 62 SI0/SB0 CONNECTED TO GND
Out 63 SO0/SB1 SO SIGNAL TO uPD16312GB-3B4
Out 64 SCK0 SCK SIGNAL FOR uPD16312GB-3B4
Command decorder
Display memory
Serial
Timing Generator
Key Scanning
Key data memory
Latch
Latch
In/Out Pin No.Signal Name Description
In 23 SEG9
In 24 SEG10
In 25 SEG11
In 26 SEG12
Out 27 VEE
In 28 GRID10
29 GRID9
In 30 GRID8
In 31 GRID7
In 32 GRID6
In 33 GRID5
In 34 GRID4
In 35 GRID3
36 GRID2
Out 37 GRID1
Out 38 VDD
Out 39 LED4
Out 40 LED3
Out 41 LED2
Out 42 LED1
Out 43 VSS
Out 44 OSC
- 24 -
Dimmer
SEGMENT SIGNAL SH
SEGMENT SIGNAL SCOM
NOT USED
NOT USED
VN
DIGIT SIGNAL SG10
DIGIT SIGNAL SG9
DIGIT SIGNAL SG8
DIGIT SIGNAL SG7
DIGIT SIGNAL SG6
DIGIT SIGNAL SG5
DIGIT SIGNAL SG4
DIGIT SIGNAL SG3
DIGIT SIGNAL SG2
DIGIT SIGNAL SG1
VCC
NOT USED
NOT USED
NOT USED
NOT USED
GND
CLOCK SIGNAL TERMINAL
In/Out
In
Out
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In
In/Out
Out
In
In
Out
In/Out
In/Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
In