Datasheet > BU9795AFV-LBE2

BU9795AFV-LBE2

更新时间： 2024-02-23 04:53:07

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
29页	862K
描述
Standard LCD Segment Drivers

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数据手册

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BU9795AFV-LBE2 数据手册

Daattaasshheeeett

BU9795AFV-LB

MAX 108 segments (SEG27×COM4)

Block Diagrams / Pin Configurations / Pin Descriptions

BU9795AFV-LB

COM0…… COM3

SEG4 … SEG30

VDD

LCD voltage generator

Common

driver

Segment

driver

＋

－

LCD BIAS

SELECTOR

Common

counter

Blink timing

generator

＋

－

DDRAM

VLCD

INHb

Command

Data Decoder

OSCIN

OSCILLATOR

Power On Reset

Serial inter face

IF FILTER

VSS

TEST

CSB

SCL

Figure 2. Block Diagram

Figure 3. Pin Configuration (TOP VIEW)

Table 1 Pin Description

Pin Name

INHb

Pin No.

I/O

Function

Input terminal for turn off display

H : turn on display

L : turn off display

Test input (ROHM use only)

Must be connected to VSS

TEST

External clock input

Ext. clock and Int. clock can be changed by command.

OSCIN

Must be connected to VSS when using internal oscillation circuit.

SCL

Serial data input

Serial data transfer clock

Chip select : ”L” active

GND

CSB

VSS

VDD

Power supply

VLCD

Power supply for LCD driving

SEGMENT output for LCD driving

COMMON output for LCD driving

1 to 23,

37 to 40

SEG4 to 30

COM0 to 3

24 to 27

www.rohm.com

TSZ02201-0P4P0D300510-1-2

26.Feb.2014 Rev.002

2/26

TSZ22111･15･001

123 4 5 6 7...29

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