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參數(shù)資料
| 型號： | BU9728 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | LCD driver for segment-type LCDs |
| 中文描述： | LCD驅(qū)動(dòng)段型液晶顯示器 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 103K |
| 代理商： | BU9728 |
3
Standard ICs
Pin descriptions
Pin name
BU9728AKV
OSC
1
OSC
2
1
2
I
O
SD
9
I
CS
10
I
I
—
—
—
SCK
8
V
1
~ V
3
3 ~ 5
V
SS
6
V
DD
7
C / D
11
I
COM
0
COM
3
12 ~ 15
O
RESET
16
I
SEG
0
SEG
31
17 ~ 48
O
Pin NO.
I / O
Function
Input / output pins for the internal oscillator. Resistance is connected between
these pins when the internal clock is running. When an external clock is
running, the clock is input from OSC
1
and OSC
2
is left open.
These are power supply pins for LCD drive.
The following relationship must be satisfied: V
DD
^
V
1
^
V
2
^
V
3
^
V
SS
(Low) .
This is the reset input pin. When this pin is LOW, the BU9728AKV is initialized.
It resets the address counter and turns the display off.
This is the serial data input pin, used to input display data and commands.
Display data is displayed when this is "1" and not displayed when it is "0".
This is the chip select signal input pin. When this pin is LOW, SD input can be
received. The SCK counter is reset when the CS pin goes from HIGH to LOW.
This signal detects whether the SD input is command or display data. If the pin
is LOW at the rising edge of the 8th SCK pulse, the input is recognized as
display data, and if HIGH, the input is recognized as command data.
These are the segment output pins for LCD drive. They are connected to the
LCD panel segments.
These are the common output pins for LCD drive. They are connected to the
LCD panel commons.
This is the shift clock input pin for serial data. The contents of the SD pin are
read one bit at a time at the rising edge of SCK.
This is the V
SS
power supply pin.
This is the V
DD
power supply pin.
Input / output equivalent circuits
I / O
Pin name
V
DD
GND
GND
VDD
V
DD
GND
GND
OUT
V
LCD
V
LCD
IN
OSC
1
IN
OSC
2
SD
SCK
C / D
CS
I
—
OSC
1
OSC
2
RESET
I
I / O
SEG
0
SEG
31
COM
0
COM
3
O
Equivalent Circuit
Pin name
Equivalent Circuit
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| BU9764 | Pulse driver for LCD drive |
| BU9764FV | Pulse driver for LCD drive |
| BU9877FV | Serial interface IC for DIMMs supporting plug & play |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BU9728AKV | 制造商:ROHM Semiconductor 功能描述: |
| BU9728AKV_08 | 制造商:ROHM 制造商全稱:Rohm 功能描述:For 128-140 Segment type LCD LCD Segment Driver |
| BU9728AKV-E2 | 功能描述:LCD 驅(qū)動(dòng)器 LCD DRIVER 32X4 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| BU9728AKV-E2-CUT TAPE | 制造商:ROHM 功能描述:BU Series 2.5 to 5.5 V 128 Segment Surface Mount Picture Cell Driver - VQFP-48C |
| BU9729 | 制造商:ROHM 制造商全稱:Rohm 功能描述:Segment-type LCD driver |
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