UPD7225 Overview
Key Features
- Can directly drive LCD
- Programmable time-division multiplexing
- Number of digits displayed
- Static................................................. 4 digits
- 14-segment Divide-by-4 time division ............... 8 digits
- Bias method Static, 1/2, 1/3
- Segment decoder output
- 7-segment : Numeric characters 0 to 9, six symbols 14-segment : 36 alphanumeric characters, 13 symbols
- Blinking operation
- Multi-chip configuration possible
