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BU91R65CH-M PDF预览

BU91R65CH-M

更新时间: 2023-09-03 20:25:24
品牌 Logo 应用领域
罗姆 - ROHM 通信驱动
页数 文件大小 规格书
72页 2049K
描述
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。而且,具备显示数据及指令寄存器读取功能,可检测出因噪声导致的误动作。除此之外,还支持MCU通信校验和、玻璃破碎、逻辑电路状态、SEG/COM端子拨动动作的异常检测。使用ITO电阻测量端子,更方便进行COG贴装不良的管理。还支持+105℃动作,符合车载应用要求的AEC-Q 100标准。

BU91R65CH-M 数据手册

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BU91R65CH-M  
Terminal Description  
Terminal Name  
Handling  
when unused  
I/O  
Function  
VDD  
VLCD  
VSS  
I
I
I
Power supply for logic  
-
-
-
Power supply for LCD driving circuit  
Ground  
Single-/Multi-chip setting  
2-wire Interface  
Slave Address[7:1]  
3-wire Interface  
Function  
Master  
MS1  
MS2  
I
I
VDD / VSS  
VDD / VSS  
MS2  
MS1  
Function  
Master  
Slave1  
Slave2  
Slave3  
VSS  
VSS  
VDD  
VDD  
VSS  
VDD  
VSS  
VDD  
0111110 / 0111000  
0111111 / 0111001  
0111110 / 0111000  
0111111 / 0111001  
Slave1  
Slave2  
Slave3  
Clock mode setting  
VDD: External Clock Mode, VSS: Internal Clock Mode  
Clock input / output setting  
External Clock Mode: input of external clock  
Internal Clock Mode: output of internal clock  
Synchronous signal input / output for multi-chip mode  
Master: Synchronous signal output  
Slave: master SYNCB signal input  
EXTCLK  
OSCIO  
I
VDD / VSS  
OPEN  
I/O  
SYNCB  
IFSEL  
I/O  
I
OPEN  
MCU Interface select  
VDD: 3-wire Serial Interface  
VDD / VSS  
VSS: 2-wire Serial Interface  
SDAI  
SDAO  
SCL  
I
O
I
Serial data input for 2-wire Serial Interface  
Serial data output for 2-wire Serial Interface  
VSS  
OPEN  
VSS  
Serial clock for 2-wire Serial Interface  
Chip select for 3-wire Serial Interface  
Serial clock for 3-wire Serial Interface  
Serial data input for 3-wire Serial Interface  
Serial data output for 3-wire Serial Interface  
CSB  
SCK  
SDI  
I
I
VSS  
VSS  
I
VSS  
SDO  
O
OPEN  
Inhibit display status in spite of Display On by command setting  
VDD: Keep display status by command setting  
VSS: Inhibit display status. All SEG and COM terminals output VSS level.  
INHB  
I
I
VDD  
Duty Drive select  
DUTY0  
VDD / VSS  
DUTY1  
DUTY0  
VSS  
Duty Drive  
VSS  
1/4 Duty Drive  
1/3 Duty Drive  
1/2 Duty Drive  
VSS  
VDD  
VSS  
DUTY1  
I
VDD / VSS  
VDD  
VDD  
VDD  
Static Drive (also set to 1/1 Bias)  
LCD Bias select  
VDD: 1/2 Bias, VSS: 1/3 Bias (Static Drive: don’t care)  
Output for glass breaking detection  
Connect to GLSCHKI for glass breaking detection.  
Input for glass breaking detection  
Connect to GLSCHKO for glass breaking detection.  
Output data of error detection  
VDD: Abnormal status, VSS: Normal status  
BIAS  
I
VDD / VSS  
OPEN  
GLSCHKO  
GLSCHKI  
ERROUT  
O
I
VSS  
O
OPEN  
DUMMY0 to  
DUMMY3  
DUMMY  
-
-
I
Can be used for the contact resistance measurement.  
OPEN  
OPEN  
VSS  
Open  
POR enable setting (Note 1)  
TR  
VDD: POR disable, VSS: POR enable  
Test input (ROHM use only)  
Must be connected to VSS.  
T0,T1,T2  
I
VSS  
SEG0 to SEG159  
COMA0 to COMA3  
COMB0 to COMB3  
COMC0 to COMC3  
O
O
O
O
Segment output for LCD driving  
Common output for LCD driving  
Common output for LCD driving  
Common output for LCD driving  
OPEN  
OPEN  
OPEN  
OPEN  
(Note 1) This function is guaranteed by design, not tested in production process. Software Reset is necessary to initialize IC in case of TR = VDD.  
www.rohm.com  
TSZ02201-0P3P0D301700-1-2  
08.Jan.2020 Rev.003  
© 2016 ROHM Co., Ltd. All rights reserved.  
7/69  
TSZ22111 15 001  

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