BU9798GUW-E2 Rohm Semiconductor, BU9798GUW-E2 Datasheet - Page 16

• Manufacturer Part Number: BU9798GUW-E2
• Description: IC LCD DVR MULTI 49X4COM 63-VBGA
• Manufacturer: Rohm Semiconductor

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

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VLCD
TEST
<BU97500KV>
OSC
CSB
VDD
SCL
SD
●Block diagrams
●Terminal description
S1/P1 ~ S4/P4
COM4/S41
S42 ~ S52
COM1 ~ 3
S5 ~ S40
Terminal
LCD VOLTAGE GENERATOR
VLCD
RESB
VDD
OSC
CSB
SCL
VSS
DO
SD
+
-
+
-
P.O.R
Fig.13 Block Diagram (BU97500KV)
GENERATOR
INTERFACE
CLOCK
COMMON
DRIVER
FILTER
RESET
3SPI
Terminal
41-43
45-55
5-40
No.
1-4
59
60
61
63
56
64
62
44
57
58
I/O
I/O
O
O
O
O
O
I
I
I
-
-
-
I
SEGMENT DRIVER & LATCH
CONTROL
REGISTER
SHIFT REGISTER
OPEN / VSS
Unused
OPEN
OPEN
OPEN
OPEN
OPEN
case
VDD
VDD
VSS
VSS
-
-
-
16/23
Chip select : “L”active
Serial data transfer clock
Input Serial data
Power Supply for the logic
External clock input terminal
Supported Hi-Z input if the internal clock mode.
GND
Power Supply for the LCD driver
COMMON output for LCD driving
COMMON / SEGMENT output for LCD driving
Assigned as SEGMENT output if 1/3Duty mode.
SEGMENT output for LCD driving / General Purpose output
SEGMENT output for LCD driving
Reset Input:
RESB=“L” : Display is disabled
RESB=“H” : Display is controllable
NOTE) 3-SPI is NOT available if RESET is “L”.
Output for manufacturing test:
●Pin arrangement
RESB
VLCD
OSC
CSB
VDD
VSS
SCL
S46
S47
S48
S49
S50
S51
S52
DO
SD
49
64
Fig.14 Pin Arrangement (BU97500KV)
Function
Technical Note
2010.04 - Rev.A
32
17
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17