BU97540KV-M
BU97540KV-M is Multi-function Segment Drivers manufactured by ROHM.
LCD Segment Drivers
Multi-function Segment Drivers
MAX335 Segment(67segx5)
General Description
Key Specifications
The BU97540KV-M is 1/5, 1/4, 1/3, or 1/1 duty general-purpose LCD driver that can be used for frequency display in electronic tuners under the control of a microcontroller. The BU97540KV-M can drive up to 335 LCD Segments directly. The BU97540KV-M can also control up to 9 general-purpose output ports.
- Supply Voltage Range:
+
+2.7V to +6.0V
- Operating Temperature Range:
-40°C to +85°C
- Max Segments:
335 Segments
- Display Duty:
1/1,1/3,1/4,1/5 Selectable
- Bias:
1/1,1/2,1/3,1/4 Selectable
These products also incorporate a key scan circuit that
- Interface:
3Wire Serial Interface accepts input from up to 30 keys to reduce printed circuit board wiring
Packages
Features
- AEC-Q100 Qualified (Note1)
VQFP80
W(Typ) × D(Typ) × H(Max)
- Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)
- Supports 1 chip(Master) mode and 2 chip(Master + Slave) mode
- Either 1/5, 1/4, 1/3 or 1/1 duty (static) can be selected with the serial control data.
1 chip mode(only Master):
1/5 duty drive: Up to 335 segments can be...
