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MSM9210 Datasheet

32-Bit Duplex/Triplex (1/2 duty / 1/3 duty) VF Controller/Driver with Digital Dimming

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E2C0038-39-95
¡¡SemiconSduectomr iconductor
This version: SMepS.M19992910
Previous version: Aug. 1999
MSM9210
32-Bit Duplex/Triplex (1/2 duty / 1/3 duty) VF Controller/Driver with Digital Dimming
GENERAL DESCRIPTION
The MSM9210 is a full CMOS controller/driver for Duplex or Triplex (1/2 duty or 1/3 duty)
vacuum fluorescent display tube. It consists of a 32-segment driver multiplexed to drive up to
96 segments, and 10-bit digital dimming circuit.
MSM9210 features a selection of a master mode and a slave mode, and therefore it can be used
to expand segments for the VFD driver with keyscan and A/D converter function.
MSM9210 provides an interface with a microcontroller only by three signal lines: DATA IN,
CLOCK and CS.
FEATURES
• Logic supply voltage (VDD)
: 4.5 to 5.5V
• Driver supply voltage (VDISP)
: 8 to 18V
• Duplex/Triplex (1/2 duty / 1/3 duty) selectable
DUP/TRI=1/2 duty selectable at "H" level
DUP/TRI=1/3 duty selectable at "L" level
• Number of display segments
Max. 64-segment display (during 1/2 duty mode)
Max. 96-segment display (during 1/3 duty mode)
• Master/Slave selectable
M/S=Master mode selectable at "H" level
M/S=Slave mode selectable at "L" level
• Interface with a microcontroller
Three lines: CS, CLOCK, and DATA IN
• 32-segment driver outputs
: IOH=–5mA at VOH=VDISP–0.8V (SEG1 to 22)
(can be directly connected to VFD tube : IOH=–10mA at VOH=VDISP–0.8V (SEG23 to 32)
and require no external resisters)
: IOL=500mA at VOL=2V (SEG1 to 32)
• 3-grid pre-driver outputs
: IOH=–5.0mA at VOH=VDISP–0.8V
(require external drivers)
IOL=10mA at VOL=2V
• Logic outputs
: IOH=–200mA at VOH=VDD–0.8V
IOL=200mA at VOL=0.8V
• Built-in digital dimming circuit (10-bit resolution)
• Built-in oscillation circuit (external R and C)
• Built-in Power-On-Reset circuit
• Package options:
56-pin plastic QFP (QFP56-P-910-0.65-2K) Product name: MSM9210GS-2K
64-pin plastic QFP (QFP64-P-1414-0.80-BK) Product name: MSM9210GS-BK
1/19


Oki Electric Industry Electronic Components Datasheet

MSM9210 Datasheet

32-Bit Duplex/Triplex (1/2 duty / 1/3 duty) VF Controller/Driver with Digital Dimming

No Preview Available !

¡ Semiconductor
BLOCK DIAGRAM
SEG1
MSM9210
SEG32
GRID1 GRID2 GRID3
VDISP
D-GND
VDD
L-GND
32 Segment Driver
3 Grid pre Driver
Power
On
Reset
POR
0H 4H
in1-32
Out1-32
96 to 32 Segment Control
in1-32
in1-32
1H
Mode Select 0H
Out1-32
Segment Latch
1
2H
0H
Out1-32
Segment Latch
2
3H
0H
Out1-32
Segment Latch
3
POR in1-3 POR
in1-32
POR
in1-32
POR
in1-32
CS
CLOCK
DATA IN
OSC0
OSC1
DIM IN
SYNC IN1
SYNC IN2
M/S
DUP/TRI
Control
Out1-3
3bit Shift Register
Out1-32
4H
32bit Shift Register
POR
POR
OSC
POR
POR
in1-10
Dimming Latch
Out1-10
10bit Digital
Dimming
Timing Generator
DIM OUT
SYNC OUT1
SYNC OUT2
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Part Number MSM9210
Description 32-Bit Duplex/Triplex (1/2 duty / 1/3 duty) VF Controller/Driver with Digital Dimming
Maker OKI electronic componets
Total Page 20 Pages
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