Description
The µPD7564A is a 4-bit single-chip microcomputer with a small number of ports in a small package, which is of low-order models, µPD7554 and 7564 sub-series in the µPD7500 series.
Features
- 47 types of instructions (Subset of µPD7500H SET B).
- Instruction cycle Ceramic oscillation : 2.86 µs (in operation at 700 kHz, 5 V).
- Program memory (ROM) capacity: 1024 × 8 bits.
- Data memory (RAM) capacity: 64 × 4 bits.
- Test source: One external source and two internal sources.
- 8-bit timer/event counter.
- 15 I/O lines (Total output current of all pins: 100 mA).
- Can directly drive a triac and a LED: P80 to P82.
- Can d.
D7564A Datasheet
