msm9223 Oki Semiconductor, msm9223 Datasheet - Page 2

• Manufacturer Part Number: msm9223
• Description: 27-bit Duplex/triplex Vfd Controller/driver With Digital Dimming, Adc And Keyscan
• Manufacturer: Oki Semiconductor

¡ Semiconductor
BLOCK DIAGRAM
DATA I/O
DUP/TRI
CLOCK
D-GND
L-GND
OSCO
VREG
(5V)
(5V)
V
V
CS
DD
CC
POR
Control
Mode Select
CH1
0H
Regulator
Power On
A/D Converter
Reset
in1-3
6ch, 8bit
5V
&
OSC
7H
3bit Shift Register
CH6
POR
1H
0H
POR
Out1-3
POR
Segment Latch
7H
Out1-27
in1-27
in1-27
1
5H
6H
SEG1
27bit Shift Register
COL1
POR
81 to 27 Segment Control
2H
0H
Out1-27
27 Segment Driver
5 ¥ 5 Key Scan and Encoder Switch Interface
POR
Segment Latch
Out1-27
Out1-27
POR
in1-27
in1-27
COL5
Timing Generator
2
POR
4H
ROW1
POR
3H
0H
SEG27
Dimming Latch
10bit Digital
Segment Latch
Dimming
Out1-10
in1-10
Out1-27
ROW5
in1-27
in1-27
3
GRID1
A1
3 Grid pre Driver
GRID2 GRID3
B1
MSM9223
DIM OUT
SYNC OUT1
SYNC OUT2
INT
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