UPD8021 Description
The NECIlPD8021 is a stand alone 8-bit parallel microputer incorporating the following.
UPD8021 Key Features
- 8-Bit Processor, ROM, RAM, I/O, Timer/Counter
- Single +5V Supply (+4.5V to +6.5V)
- NMOS Silicon Gate Technology
- 8.381ls Instruction Cycle Time
- All Instructions 1 or 2 Cycles
- Instructions are Subset of IlPD8048/8748/8035
- High Current Drive Capability
- 2 I/O Pins
- Clock Generation Using Crystal or Single Inductor
- Zero-Cross Detection Capabil ity