msm9201-01 Oki Semiconductor, msm9201-01 Datasheet - Page 7
msm9201-01
Manufacturer Part Number
msm9201-01
Description
Fluorescent Display Tube Controller Driver
Manufacturer
Oki Semiconductor
Datasheet
1.MSM9201-01.pdf
(35 pages)
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¡ Semiconductor
*
QFP
67
65
66
QFP-1 : QFP80-P-1414-0.65-K
QFP-2 : QFP80-P-1420-0.80-BK
-1*
Pin
QFP
69
67
68
-2*
Symbol Type
RESET
OSC0
OSC1
O
I
I
Connects to:
Micro-
controller
C
C
2
1
or
, R
, R
2
1
Reset input.
Setting this pin to "Low" initializes all the functions.
The initial status is as follows.
• Address of each RAM
• Data of each RAM
• Number of display digits
• Contrast adjusment
• All lights ON or OFF
• All outputs
External RC pin for RC oscillation.
Connect R and C externally. The RC time constant depends on the
V
DD
RESET
OSC0
OSC1
voltage used. Set the target oscillation frequency to 2 MHz.
C
2
R
1
Description
R
2
address "00"H
Content is undefined
24 digits
8/16
OFF mode
"Low" level
C
1
(Circuit when R and C are
connected externally)
See Application Circuit.
(RC oscillation circuit)
See Application Circuit.
PEDL9201-03
MSM9201-01
7/35
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