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MSC1208 Datasheet(PDF) 2 Page - OKI electronic componets

Part No. MSC1208
Description  23-bit x 2 Duplex Controller/Driver with Digital Dimming and Keyscan Function
Download  14 Pages
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Maker  OKI [OKI electronic componets]
Homepage  http://www.oki.com
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MSC1208 Datasheet(HTML) 2 Page - OKI electronic componets

 
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MSC1208
¡ Semiconductor
BLOCK DIAGRAM
GRID1
GRID2
VDD
GND
DATA ENABLE
DATAI/O
PWMOUT
5V
SEG1
SEG23
46
Æ23 Segment Control
Segment Driver
POR
Regulator
bit 46 to 24
(Grid2)
bit 23 to 1
(Grid1)
46 bit Latch
L
D
bit46
C
bit1
Display data
R
bit47
bit56
bit58, 57
Dimming data
58 bit Shift Register
bit56 to 1
Parity
Checker
Parity
Generator
SI
C
SS
S
PE
out
58-bit Shift Register (26-bit presetable+32-bit
¥"1")
SS
S
L
4
4
4-bit
Latch
L
4
4
4-bit
Latch
L
4
4
4-bit
Latch
L
4
4
4-bit
Latch
8
2
L 3-bit
Latch
3
3
OSC
Grid
Pre-driver
OSC
Detector w/debounce
Row 4 3 2 1
Col 7 6 5 4 3 2 1
With100k
W pull-up resistor
Timing Generator
PWM
10-bit Presetable
Down Counter
TEST
Vreg
to PWM OUT
Parity
Parity
Generator
56
56
2
bit56 to 47
L 3-bit
Latch
Col1 to 3
Rotary
Direction
Checker &
Up/down
Counter
Col4 to 7
Timing
Generator


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