UPD75304B Overview
The µPD75308B is a 75X Series 4-bit single-chip microputer capable of the same data processing as an 8-bit microputer. It is a low voltage operation version of the µPD75308 with on-chip LCD controller/driver. Operation at an ultra-low voltage of 2.0 V is possible.
UPD75304B Key Features
- Ultra-low-voltage operation possible: VDD = 2.0 to 6.0 V
- Can be driven by two 1.5 V manganese batteries
- On-chip memory
- Data memory (RAM) : 512 × 4 bit
- Instruction execution time adjustment function convenient in high-speed operation and power saving
- 0.95 µs, 1.91 µs, 15.3 µs (4.19 MHz operation)
- 122 µs (32.768 kHz operation)
- Built-in programmable LCD controller/driver
- LCD drive voltage: 2.0 V to VDD
- An ultra small-sized plastic QFP (12 × 12 mm) is provided