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參數(shù)資料
| 型號： | UPD16430A |
| 廠商： | NEC Corp. |
| 英文描述： | 1/2, 1/3, 1/4 DUTY LCD CONTROLLER/DRIVER |
| 中文描述： | 1 / 2，1 / 3，1 / 4占空比LCD控制器/驅(qū)動 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 130K |
| 代理商： | UPD16430A |
μ
PD16430A
3
PIN FUNCTIONS
No.
Symbol
I/O
Output Type
Description
1
to
32
35
to
62
LCD0
to
LCD31
LCD32
to
LCD59
Output
CMOS
These pins serve as the LCD driver’s segment signal output pins.
The following display modes can be selected for the LCD driver.
A matrix of these segment signal output pins and COM3, COM2, COM1
and COM0 pins enables the maximum display of 240 dots (1/4 duty
selected).
The output voltage of the segment signal output pins is supplied by the
V
LCD
pin.
The output voltage of the segment signal output pin is supplied by dividing
and outputting 0 to V
LCD
voltage using any driving method (any bias
method).
Either internal or external voltage dividing resistor can be selected.
63
to
66
COM0
to
COM3
Output
CMOS
These pins serve as the LCD driver’s common signal output pins.
The LCD driver can select three display modes.
A matrix of these common signal output pins and LCD59 through LCD0
pins enables the maximum display of 240 dots (1/4 duty selected).
The output voltage of the common signal output pins is supplied by the
V
LCD
pin.
V
DD
to 14 V voltage is supplied by this pin.
The output voltage of the common signal output pins is supplied by
dividing and outputting 0 to V
LCD
voltage using any driving method (any
bias method).
Either internal or external dividing resistor can be selected.
67
68
69
V
LC2
V
LC1
V
LC0
—
—
These pins serve as the LCD driver’s drive voltage generation pins.
The drive voltage can be set by using either these pins or the on-chip
drive voltage generation circuit, as specified by command data.
70
V
LCD
—
—
This pin supplies the LCD driver’s supply voltage.
V
DD
to 14 V voltage is supplied to this pin.
The output voltage of the segment signal and command signal output pins
is supplied by dividing and outputting the voltage applied to these pins
using any driving method (any bias method).
Do not supply a voltage exceeding V
DD
to the V
LCD
pin before the device’s
supply voltage reaches 3.5 V, as this may cause incorrect display.
Duty
Bias
Display
Dot No.
Frame frequency (Hz)
(fosc = 140 kHz)
1/2
1/2
120
fosc
256
(547)
fosc
fosc
fosc
, 512
(273)
, 1024 , 2048
(137)
(68)
1/3
1/3
160
fosc
384
(365)
fosc
fosc
fosc
, 768
(182)
, 1536 , 3072
(91)
(46)
1/4
1/3
240
fosc
512
(273)
fosc
fosc
fosc
, 1024 , 2048 , 4096
(137)
(68)
(34)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD16430AGF-3B9 | 制造商:NEC 制造商全稱:NEC 功能描述:1/2, 1/3, 1/4 DUTY LCD CONTROLLER/DRIVER |
| UPD16430CGF-3B9(A) | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD16431A | 制造商:NEC 制造商全稱:NEC 功能描述:1/2, 1/3, 1/4-DUTY LCD CONTROLLER/DRIVER |
| UPD16431AGC-7ET | 制造商:NEC 制造商全稱:NEC 功能描述:1/2, 1/3, 1/4-DUTY LCD CONTROLLER/DRIVER |
| UPD16431AGC-7ET (A) | 制造商:Renesas Electronics Corporation 功能描述: |
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