BU91510KV-M Datasheet, PDF (1/32 Pages) Rohm – Multi- function LCD Segment Drivers

Datasheet
LCD Segment Drivers
Multi- function LCD Segment Drivers
BU91510KV-M
MAX 216 Segment(54SEGx4COM)
General Description
The BU91510KV-M is 1/4 or 1/3-Duty general-purpose
LCD driver that can be used for frequency display in
electronic tuners under the control of a microcontroller.
The BU91510KV-M can drive up to 216 LCD.
Segments directly. The BU91510KV-M can also
control up to 6 general-purpose output ports.
Key Specifications
■ Supply Voltage Range:
+2.7V to +6.0V
■ Operating Temperature Range: -40°C to +105°C
■ Max Segments:
216 Segments
■ Display Duty
1/3, 1/4 Selectable
■ Bias:
1/2, 1/3 Selectable
■ Interface:
3wire Serial Interface
Features
 AEC-Q100 Qualified ^(Note)
 Either 1/4 or 1/3-Duty can be selected with the Serial
Control Data.
1/4-Duty Drive: Up to 216 Segments
1/3-Duty Drive: Up to 162 Segments
 Serial Data Control of Frame Frequency for Common
and Segment Output Waveforms.
 Serial Data Control of Switching between the
Segment Output Port , PWM Output Port and
General-purpose Output Port Functions.(Max 6 port)
 Built-in OSC Circuit
 The INHb Pin can force the Display to the off state.
 Integrated Power-on Reset Circuit
 No External Component
 Low Power Consumption Design
(Note) Grade 2
Applications
 Car Audio, Home Electrical Appliance,
Meter Equipment etc.
Package
W (Typ.) x D (Typ.) x H (Max.)
VQFP64
12.00mm x 12.00mm x 1.60mm
Typical Application Circuit
+5V
(Note)
VDD
From
Controller
INHb
SCE
SCL
SDI
(P1/G1)
(P6/G6)
(General purpose/PWM ports)
(For use control of backlight)
COM1
COM2
COM3
COM4
S1/P1/G1
S2/P2/G2
・
・
・
・
・
・
・
S6/P6/G6
S7
・
・
・
・
・
S51
OSC/S52
S53
S54
LCD Panel
(Up to 216
Segments)
(Note) Insert capacitors between VDD and VSS C0.1uF
Figure 1. Typical Application Circuit
○Product structure：Silicon monolithic integrated circuit
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© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥14ï½¥001
○This product is not designed protection against radioactive rays.
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TSZ02201-0P4P0D301130-1-2
8.July.2015 Rev.001