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BU9798KV-E2 датащи(PDF) 2 Page - Rohm

номер детали BU9798KV-E2
подробное описание детали  Multifunction Segment Drivers
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производитель  ROHM [Rohm]
домашняя страница  http://www.rohm.com
Logo ROHM - Rohm

BU9798KV-E2 датащи(HTML) 2 Page - Rohm

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Technical Note
2/23
BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV
www.rohm.com
2010.04 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
Features (BU97500KV)
1) LCD drive output:
Common output : 4, Segment output : 51
2) Integrated Display data RAM (DDRAM)
RAM: 51*4 =204 bit
3) 3-wire Serial interface (SD, SCL, CSB )
4) Integrated Oscillator circuit
5) Integrated Power supply circuit for LCD driving:
Support 1/2 and 1/3 Bias
Support 1/3 and 1/4 Duty
Integrated Buffer AMP
6) Support Split Supply for Logic (VDD) and LCD (VLCD)
7) Segment terminals operation, segment output mode/GPO output mode selectable
8) Low power consumption design
9) Support standby mode
10) Integrated Power-on Reset circuit
11) No external components
12) Operating power supply: VDD = 2.7 ~ 5.5V
13) LCD drive power supply: VLCD=4.5 ~ 5.5V
Applications
Telephone, FAX, Portable equipment (POS, ECR, PDA etc.),
DSC, DVC, Car Audio, Home electrical appliance, Meter equipment, Healthcare equipment etc.
Line up matrix
Parameter
BU97930MUV
BU97931FV
BU9798KV/GUW
BU97500KV
Segment output
27
28
49
52 (1/3Duty)
51 (1/4Duty)
Common output
1 / 3 / 4
1 / 3 / 4
1 / 3 / 4
3 (1/3Duty)
4 (1/4Duty)
Total display dot number
108
112
196
156 (1/3Duty)
204 (1/4Duty)
Adjustable contrast function
-
-
YES
-
Support split voltage supply
YES
YES
YES
YES
Interface
3wireSPI
3wire SPI
3wire SPI
3wire SPI
Package
VQFN040V6060
SSOP-B40
VQFP64
/ VBGA063W050
VQFP64


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