Datasheet > BU9797FUV-M

BU9797FUV-M

更新时间： 2023-09-03 20:25:07

品牌	Logo	应用领域
罗姆 - ROHM		驱动控制器微控制器驱动器
页数	文件大小	规格书
28页	867K
描述
BU9797FUV-M是1/4占空比车载用通用LCD驱动器，最多可显示144段LCD。本产品支持高液晶电压驱动及高帧频率驱动，也可驱动高显示精度的VA液晶。内置显示用RAM，可减轻微控制器负荷，还无需外置部件，实现了低功耗。

阅读下载

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

BU9797FUV-M 数据手册

Datasheet

BU9797FUV-M

MAX 144 segments (SEG36×COM4)

Read command register and transfer method

Also the command registers can be read during read mode.

The sequence for the command register read is shown below and is similar to the display data read sequence.

Slave address

0111110

Command

110 1100

Command

ADSET

Slave address

0111110

Data

Set ICSET [P2]=1

R/W

Regarding address setting, please refer to ADSET command.

It will be able to read register values if it set address 24h or 25h.

Address does not increment automatically after register value read.

REG1

D7 D6 D5 D4 D3 D2 D1 D0

P5 P4 P3 P2 P1 P0

P7 P6 P5 P4 P3 P2 P1 P0

Address

24h

REG2

25h

REG1:

REG2:

P5 = Bias setting

P4 = Internal/External clock setting

P3 = Software Reset setting

P2 to P0 = Blink setting

P7 to P6 = Frame Frequency (FR) setting

P5 to P4 = Power Save Mode (SR) setting

P3 = Frame/Line inversion setting

P2 = Display ON/OFF setting

P1 = APON setting

P0 = APOFF setting

Address map between ADSET and ICSET is shown as follows;

Write Mode

ADSET

ICSET

RAM address

D7 D6 D5

D[4:0]

D7 D6 D5 D4 D3 D2^*D1 D0

00 0000 to 01 1111 (bin)

10 0000 to 10 0011 (bin)

0 0000 to 1 1111

0 0000 to 0 0011

Read mode

ADSET

ICSET

D7 D6 D5 D4 D3 D2^*D1 D0

RAM address

D7 D6 D5

D[4:0]

00 0000 to 01 1111 (bin)

10 0000 to 10 0101 (bin)

0 0000 to 1 1111

0 0000 to 0 0101

(Note) Please take care ICSET [P2] setting.

www.rohm.com

TSZ02201-0P4P0D300430-1-2

5.Aug.2014 Rev.002

9/25

TSZ22111･15･001

1...6 7 8910 11 12...28

下载PDF

与BU9797FUV-M相关器件

型号	品牌	描述	获取价格	数据表
BU97981GU	ROHM	BU97981GU is a 1/4, 1/3duty or Static general-purpose LCD driver that can be used for cons	获取价格
BU97981GU-ZE2	ROHM	Liquid Crystal Driver,	获取价格
BU97981KV	ROHM	BU97981KV is a 1/4, 1/3duty or Static general-purpose LCD driver that can be used for cons	获取价格
BU97981MUV	ROHM	BU97981MUV is a 1/4, 1/3duty or Static general-purpose LCD driver that can be used for con	获取价格
BU97981MUV-E2	ROHM	Liquid Crystal Driver, 49-Segment, PQCC56,	获取价格
BU9798FV-E2	ROHM	Multifunction Segment Drivers	获取价格