W66881CF Description
The W66881CF is a VFD (Vacuum Fluorescent Display) controller/driver. It has two operation configurations: The W66881CF also includes a 24-key key scan circuit, four LED ports and four general purpose input ports.
W66881CF Key Features
- Flexible display modes (4 to 8 grids)
- 4 grids × 20 segments to 8 grids × 18 segments
- 6 × 4 matrix key scanning
- 8 steps dimming circuit
- High voltage output (VDD
- VEE = 30V max)
- Four 15 mA LED ports
- Four general-purpose input port
- Internal driver output pull-down resisters
- Only one external resister is needed for the on chip