ml9227 Oki Semiconductor, ml9227 Datasheet - Page 2

• Manufacturer Part Number: ml9227
• Description: 27-bit Duplex/triplex Vfd Controller/driver With Digital Dimming, Adc And Key Scan
• Manufacturer: Oki Semiconductor

DATA I/O
BLOCK DIAGRAM
DUP/TRI
OKI Semiconductor
CLOCK
D-GND
OSC0
L-GND
VREG
V
(5 V)
(5 V)
V
CS
DISP
CC
POR
Control
CH1
A/D Converter
Power On
0H
Regulator
Mode Select
Reset
in1-3
6ch, 8 bit
5 V
&
OSC
7H
CH6
POR
3 bit Shift Register
1H
0H
POR
Out1-3
POR
Segment Latch
7H
Out1-27
in1-27
in1-27
1
5H
6H
SEG1
27 bit Shift Register
POR
COL1
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
10 bit Digital
Dimming
Segment Latch
Out1-10
in1-10
Out1-27
ROW5
in1-27
in1-27
3
GRID1
A1
3 Grid pre Driver
GRID2 GRID3
B1
FEDL9227-01
DIM OUT
SYNC OUT1
SYNC OUT2
INT
ML9227
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