Datasheet > BU97501KV

BU97501KV

更新时间： 2024-03-03 10:10:11

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
35页	3818K
描述
BU97501KV is a 1/4 or 1/3 duty general-purpose LCD driver that can be used for consumer / battery

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BU97501KV 数据手册

Datasheet

Multi- function LCD Segment Drivers

BU97501KV MAX 204 Segment (51SEGx4COM)

Features

Key Specifications



Key input function for up to 30 keys (A key scan is

■

Supply Voltage Range:

LCD drive power supply Range:

Operating Temperature Range:

Max Segments:

Display Duty:

2.7V to 6.0V

4.5V to 6.0V

-40°C to +85°C

performed only when a key is pressed.)

Either 1/4 or 1/3 Duty can be selected

1/4 Duty drive : Up to 204 segments

1/3 Duty drive : Up to 156 segments

Integrated RAM for display data (DDRAM)

Segment/GPO (Max 4port) output mode selectable

Support standby mode

Integrated Power-on Reset circuit

Integrated Oscillator circuit

No external component



204 Segments

1/3, 1/4 selectable

1/2, 1/3 selectable

3wire serial interface



Bias:

Interface:

Package

VQFP64

W (Typ) x D (Typ) x H (Max)

Low power consumption design

Applications



Telephone

FAX

Portable equipment (POS, ECR, PDA etc.)

DSC

DVC

Car audio

Home electrical appliance

Meter equipment

VQFP64

12.00mm x 12.00mm x 1.60mm

Typical Application Circuit

Key Matrix

(P1)

(P2)

(General purpose ports)

(For use control of backlight)

(P4)

KI1/S48

KS1/S42

+5V

KI5/S52

KS6/S47

VDD

COM1

COM2

COM3

P1/S1

P2/S2

(Note)

+5.5V

VLCD

P4/S4

(Note)

LCD Panel

(Up to 204

Segments)

OSC

RESB

CSB

SCL

From

Controller

S40

COM4/S41

To Controller

(Note) Insert capacitors between VDD/VLCD and VSS C≥0.1µF.

Figure 1. Typical Application Circuit

〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays.

www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0P4P0D300390-1-2

12.Feb.2019 Rev.006

1/32

12 3 4 5 6 7...35

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