参数资料
型号: BU9799KV-E2
厂商: Rohm Semiconductor
文件页数: 8/18页
文件大小: 0K
描述: IC LCD DVR MULTI 50X4COM 64-VQFP
标准包装: 1
显示器类型: LCD
配置: 点阵
接口: 2 线串口
电流 - 电源: 20µA
电源电压: 2.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-VFQFP
供应商设备封装: 64-VQFP
包装: 标准包装
其它名称: BU9799KV-E2DKR
BU9795AKV/FV/GUW,BU9794AKV,BU97950FUV/KS2
<BU9795AGUW>
Technical Note
● Block Diagram
● Pin Arrangement
COM0……COM3
SEG2……SEG32
1
2
3
4
5
6
7
VDD
LCD voltage generator
common
Segment
G
(NC)
SEG13
SEG15
SEG18
SEG20
SEG22
(NC)
driver
driver
F
SEG11
SEG12
SEG16
SEG17
SEG21
SEG23
SEG24
LCD
BIAS
SELECTOR
E
SEG9
SEG10
SEG14
SEG19
SEG25
SEG27
SEG26
common
counter
blink timing
generator
DDRAM
D
SEG7
SEG6
SEG8
SEG5
SEG30
SEG28
SEG29
VLCD
INHb
C
SEG4
SEG3
SEG2
CSB
COM3
SEG32
SEG31
Command
Command
OSCIN
register
Data Decoder
OSCILLATOR
Power On Reset
serial inter face
IF FILTER
B
A
(NC)
INHb
TEST2
SD
SCL
VSS
OSCIN
VDD
VLCD
COM1
COM2
COM0
(NC)
VSS
TEST
CSB
SD
SCL
Fig.8 Block Diagram (BU9795AGUW)
● Terminal Description
Fig.9 Pin Arrangement (BU9795AGUW)
Terminal
INHb
TEST
OSCIN
SD
SCL
CSB
VSS
VDD
VLCD
SEG2-32
COM0-3
I/O
I
I
I
I
I
I
I
O
O
Function
Input terminal for turn off display
H: turn on display L: turn off display
Test input (ROHM use only)
Must be connect to VSS
External clock input
Ex clock and Int clock can be changed by command.
Must be connect to VSS when use internal oscillation circuit.
serial data input
serial data transfer clock
Chip select : “L” active
GND
Power supply
Power supply for LCD driving
SEGMENT output for LCD driving
COMMON output for LCD driving
(Caution) About terminal number, please refer to above pin arrangement
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
8/15
2011.11 - Rev.B
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