UPD78322 Description
The µPD78322 is a 16-/8-bit single-chip microcontroller that incorporates a high-performance 16-bit CPU. The µPD78322 is one of 78K/III series. A realtime pulse unit for realtime pulse control required in motor control, an A/D converter, a ROM, and a RAM have been integrated into one chip.
UPD78322 Key Features
- Internal 16-bit architecture and external 8-bit data bus
- High-speed processing by pipeline control and instruction prefetch
- Minimum instruction execution time: 250 ns (with 16 MHz external clock in operation)
- Instruction set suitable for control operations (µPD78312 upward patible)
- Multiplication/division instruction (16 bits × 16 bits, 32 bits ÷ 16 bits)
- Bit manipulation instruction
- String instruction, etc
- On-chip high-function interrupt controller
- 3-level priority specifiable
- 3-type interrupt servicing mode selectable (Vectored interrupt function, context switching function, and macro service f
UPD78322 Applications
- Motor control devices Unless there are any particular notices, the µPD78322 is described as the representative model in this document