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MSM9201-01 Datasheet(PDF) 6 Page - OKI electronic componets

Part No. MSM9201-01
Description  Fluorescent Display Tube Controller Driver
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Maker  OKI [OKI electronic componets]
Homepage  http://www.oki.com
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MSM9201-01 Datasheet(HTML) 6 Page - OKI electronic componets

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MSM9201-01
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¡ Semiconductor
PEDL9201-03
PIN DESCRIPTIONS
QFP-2*
Symbol Type
Description
5-39
SEG1-35
O
Fluorescent
tube anode
electrode
41-64
COM1-24
O
Fluorescent
tube grid
electrode
1-4
AD1-4
O
Fluorescent
tube anode
electrode
74-77
P1-4
O
LED drive
control
terminals
General port output.
Output of these pins in static operation, so these pins can drive
the LED. IOH>–2.0 mA
73
VDD
40, 80
VDISP1-2
66
GND
65, 78
VFL1-2
Power
supply
Fluorescent display tube anode electrode drive output.
Directly connected to fluorescent display tube. No pull-down
resistor is required. IOH>–5.0 mA
Fluorescent display tube grid electrode drive output.
Directly connected to fluorescent display tube. No pull-down
resistor is required. IOH>–20.0 mA
Fluorescent display tube anode electrode drive output.
Directly connected to fluorescent display tube. No pull-down
resistor is required. IOH>–10.0 mA
VDD-GND are power supplies for internal logic.
VDISP-VFL are power supplies for driving fluorescent tubes.
Use the same power supply for VDD and VDISP.
Connects to:
72
DA
I
Micro-
controller
Serial data input (positive logic).
Input from LSB.
71
CP
I
Micro-
controller
Shift clock input.
Serial data is shifted on the rising edge of CP.
70
CS
I
Micro-
controller
Chip select input.
Setting this pin to "H" disables serial data transfer.
QFP-1*
3-27
39-62
1, 2, 79, 80
72-75
71
38, 78
64
63, 76
70
69
68
Pin
*
QFP-1 : QFP80-P-1414-0.65-K
QFP-2 : QFP80-P-1420-0.80-BK


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