參數(shù)資料
型號(hào): ML9203-01GA
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 顯示控制器
英文描述: 16 X 35 DOTS FLUORESCENT DSPL CTRL, PQFP100
封裝: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù): 27/32頁
文件大?。?/td> 255K
代理商: ML9203-01GA
FEDL9203-01
1Semiconductor
ML9203-xx
4/32
PIN DESCRIPTION
Pin
Symbol
Type
Connects to
Description
1 to 15,
81 to 100
SEGA1 to A35
16 to 50
SEGB1 to B35
O
VFD tube
anode
electrode
VFD tube anode electrode drive output.
Directly connected to fluorescent display tube and a pull-
down resistor is not necessary. I
OH > –5 mA
53 to 60,
71 to 78
COM1 to 16
O
VFD tube
grid
electrode
VFD tube grid electrode drive output.
Directly connected to fluorescent display tube and a pull-
down resistor is not necessary. I
OH > –50 mA
52, 79
ADA, ADB
O
VFD tube
anode
electrode
VFD tube anode electrode drive output.
Directly connected to fluorescent display tube and a pull-
down resistor is not necessary. I
OH > –20 mA
69
V
DD
62
L-GND
51, 80
V
DISP
61, 70
D-GND
Power
supply
V
DD-L-GND are power supplies for internal logic.
V
DISP-D-GND are power supplies for driving fluorescent
tubes. Apply V
DISP after VDD is applied.
Use the same power supply for L-GND and D-GND.
68
DA
l
Micro-
controller
Serial data input (positive logic).
Input from LSB.
67
CP
l
Micro-
controller
Shift clock input.
Serial data is shifted on the rising edge of
CP.
66
CS
l
Micro-
controller
Chip select input.
Serial data transfer is disabled when
CS pin is “H” level.
65
RESET
l
Micro-
controller
Reset input.
“Low” initializes all the functions.
Initial status is as follows.
Address of each RAM .............. address “00”H
Data of each RAM .................... Content is undefined
Display digit .............................. 16 digits
Brightness adjustment.............. 0/1024
All lights ON or OFF ................. OFF mode
63
OSC0
l
64
OSC1
O
Crystal or
ceramic
resonator
Pins for self-oscillation.
(Do not apply external clocks to these pins.)
Connect these pins to the crystal and capacitors or to the
ceramic resonator and capacitors.
The target oscillation frequency is 4.0 MHz.
(Note that the device includes the feed back resistor of
1 M
.)
See Application Circuit.
相關(guān)PDF資料
PDF描述
ML9206-XXGS-BK 16 X 37 DOTS FLUORESCENT DSPL CTRL, PQFP64
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