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參數(shù)資料
| 型號： | ML9206 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 5 x 7 Dot Character x 16-Digit Display Controller/Driver with Character RAM |
| 中文描述： | 5 × 7點(diǎn)陣字符× 16位數(shù)字顯示控制器/驅(qū)動(dòng)器的字符內(nèi)存 |
| 文件頁數(shù)： | 6/33頁 |
| 文件大?。?/td> | 355K |
| 代理商： | ML9206 |
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Semiconductor
ML9206-xx
6/32
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. I
OH
>
–6 mA
Fluorescent display tube grid electrode drive output.
Directly connected to fluorescent display tube and a pull-down
resistor is not necessary. I
OH
>
–30 mA
Fluorescent display tube anode electrode drive output.
Directly connected to fluorescent display tube and a pull-down
resistor is not necessary. I
OH
>
–15 mA
General port output.
Output of these pins in static operation, so these pins can drive
the LED.
Description
Symbol
SSOP
Fluorescent
tube anode
electrode
5 to 39 SEG1 to 35
O
Fluorescent
tube grid
electrode
40 to 55 COM1 to 16
O
32 to 47
Fluorescent
tube anode
electrode
3, 4
AD1, AD2
O
59, 60
LED drive
control
pins
1, 2
P1, P2
O
57, 58
64
57
56
V
DD
GND
V
FL
56
49
48
—
Power
supply
V
DD
-GND are power supplies for internal logic.
V
DD
-V
FL
are power supplies for driving fluorescent tubes.
Apply V
FL
after V
DD
is applied.
Serial data input (positive logic).
Input from LSB.
Shift clock input.
Serial data is shifted on the rising edge of
CP
.
Chip select input.
Serial data transfer is disabled when
CS
pin is "H" level.
Micro-
controller
Micro-
controller
Micro-
controller
63
DA
I
55
62
CP
I
54
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
brightness adjusment
All lights ON or OFF
All outputs
RESET
address "00"H
Content is undefined
16 digits
0/256
OFF mode
"Low" level
R
2
C
2
(Circuit when R and C are
connected externally)
See Application Circuit.
60
RESET
I
52
Micro-
controller
or
C
2
, R
2
External RC pin for RC oscillation.
Connect R and C externally. The RC time constant depends on the
V
DD
voltage used. Set the target oscillation frequency to 2 MHz.
OSC0
OSC1
R
1
C
1
(RC oscillation circuit)
See Application Circuit.
58
OSC0
I
50
59
OSC1
O
51
C
1
, R
1
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