BU9798GUW-E2 Rohm Semiconductor, BU9798GUW-E2 Datasheet - Page 13
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BU9798GUW-E2
Manufacturer Part Number
BU9798GUW-E2
Description
IC LCD DVR MULTI 49X4COM 63-VBGA
Manufacturer
Rohm Semiconductor
Datasheet
1.BU97931FV-E2.pdf
(24 pages)
Specifications of BU9798GUW-E2
Display Type
LCD
Configuration
Dot Matrix
Interface
3-Wire SPI Serial
Current - Supply
30µA
Voltage - Supply
1.8 V ~ 3.6 V
Operating Temperature
-30°C ~ 75°C
Mounting Type
Surface Mount
Package / Case
63-VFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Digits Or Characters
-
Other names
BU9798GUW-E2TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
BU9798GUW-E2
Manufacturer:
Rohm Semiconductor
Quantity:
10 000
© 2010 ROHM Co., Ltd. All rights reserved.
BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV
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<BU97931FV>
VLCD
●Block diagrams
●Terminal description
VDD
CLKIN
VSS
SEG23 ~ 27
SEG0 ~ 22
COM0 ~ 3
Terminal
CLKIN
VLCD
VDD
CSB
SCL
VSS
LED
SD
VSS
OSCILLATOR
LCD voltage
Generator
Fig.7 Block Diagram (BU97931FV)
Terminal
number
P ower On Reset
SELECTOR
32-35
36-40
19-23
1-18
BIAS
LCD
26
27
28
29
30
25
31
24
common
counter
I/O
COM0……COM3 SEG0…..22, SEG23…27
O
O
O
O
I
-
-
-
I
I
I
common
bli nk timing
driver
generator
CSB
Command register
serial inter face
Data Decoder
IF FILTER
unused case
OPEN / VSS
SD
Segment
OPEN
OPEN
OPEN
OPEN
GPO data latch
driver
VDD
VSS
VSS
DDRAM
-
-
-
SCL
driver/GPO
Segment
Controller
GPO
Chip select: "L" active
Serial data transfer clock
Input serial data
Power supply for LOGIC
External clock input terminal (for display/PWM using selectable)
Support Hi-Z input mode at internal clock mode
GND
Power supply for LCD
COMMON output for LCD
SEGMENT output for LCD
SEGMENT output for LCD/GPO
LED driver output
Driver
Generator
LED
13/23
PWM
LED
●Pin arrangement
40
1
Fig.8 Pin Arrangement (BU97931FV)
Function
Technical Note
2010.04 - Rev.A
21
20