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ML9222 Ver la hoja de datos (PDF) - Oki Electric Industry

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ML9222 Datasheet PDF : 25 Pages
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¡ Semiconductor
BLOCK DIAGRAM
FEDL9222-02
ML9222
SEG1
SEG32
GRID1 GRID2 GRID3
D-GND
VDD
VCC
(5V)
VREG
(5V)
L-GND
32 Segment Driver
3 Grid pre Driver
5V
Regulator
&
Power On
Reset
0H
7H
POR
in1-32
Out1-32
96 to 32 Segment Control
in1-32
in1-32
Out1-32
Out1-32
Out1-32
1H
2H
3H
Mode Select 0H
Segment Latch
1
0H
Segment Latch
2
0H
Segment Latch
3
POR
in1-3 POR
in1-32 POR
in1-32 POR
in1-32
CS
CLOCK
DATA I/O
OSCO
Out1-3
Control 3bit Shift Register
POR
OSC
Out1-32
4H
32bit Shift Register
POR
POR
POR
in1-10
Dimming Latch
Out1-10
10bit Digital
Dimming
DUP/TRI
Timing Generator
DIM OUT
SYNC OUT1
SYNC OUT2
8ch, 8bit
A/D Converter
7H 5H
6H
5 ¥ 5 Key Scan and Encoder Switch Interface
INT
CH1
CH8
COL1 COL5 ROW1 ROW5 A1 B1 A2 B2 A3 B3
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