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參數(shù)資料
| 型號(hào)： | MSM9202-XXGS-K |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 顯示控制器 |
| 英文描述： | 16 X 37 DOTS FLUORESCENT DSPL CTRL, PDSO64 |
| 封裝： | 0.525 INCH, 0.80 MM PITCH, PLASTIC, SSOP-64 |
| 文件頁(yè)數(shù)： | 28/31頁(yè) |
| 文件大?。?/td> | 306K |
| 代理商： | MSM9202-XXGS-K |
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Semiconductor
MSM9202-xx
6/30
PIN DESCRIPTION
1 to 31,
61 to 64
Pin
QFP
Type Connects to
Fluorescent display tube anode electrode drive output.
Directly connected to fluorescent display tube and a pull-down
resistor is not necessary. IOH>–6 mA
Description
Symbol
SSOP
Fluorescent
tube anode
electrode
5 to 39 SEG1 to 35
O
Fluorescent display tube grid electrode drive output.
Directly connected to fluorescent display tube and a pull-down
resistor is not necessary. IOH>–30 mA
Fluorescent
tube grid
electrode
40 to 55 COM1 to 16
O
32 to 47
Fluorescent display tube anode electrode drive output.
Directly connected to fluorescent display tube and a pull-down
resistor is not necessary. IOH>–15 mA
Fluorescent
tube anode
electrode
3, 4
AD1, AD2
O
59, 60
General port output.
Output of these pins in static operation, so these pins can drive
the LED.
LED drive
control
pins
1, 2
P1, P2
O
57, 58
64
VDD
56
57
GND
49
56
VFL
48
—
Power
supply
VDD-GND are power supplies for internal logic.
VDD-VFL are power supplies for driving fluorescent tubes.
Apply VFL after VDD is applied.
Serial data input (positive logic).
Input from LSB.
Micro-
controller
63
DA
I
55
Shift clock input.
Serial data is shifted on the rising edge of CP.
Micro-
controller
62
CP
I
54
Chip select input.
Serial data transfer is disabled when CS pin is "H" level.
Micro-
controller
61
CS
I
53
Reset input.
"Low" initializes all the functions.
Initial status is as follows.
Address of each RAM
Data of each RAM
Display digit
Contrast adjusment
All lights ON or OFF
All outputs
address "00"H
Content is undefined
16 digits
8/16
OFF mode
"Low" level
RESET
R2
C2
(Circuit when R and C are
connected externally)
See Application Circuit.
60
RESET
I
52
Micro-
controller
or
C2, R2
External RC pin for RC oscillation.
Connect R and C externally. The RC time constant depends on the
VDD voltage used. Set the target oscillation frequency to 2 MHz.
OSC0
OSC1
R1
C1
(RC oscillation circuit)
See Application Circuit.
58
OSC0
I
50
59
OSC1
O
51
C1, R1
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