D78320L

DATA SHEET www.DataSheet4U.com MOS INTEGRATED CIRCUIT µPD78320,78322 16/8-BIT SINGLE-CHIP MICROCONTROLLER 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. The µPD78322 incorporates 16K-byte mask ROM and 640-byte RAM. The µPD78320 is provided as a ROM-less product of the µPD78322. Also, the µPD78P322 is provided as an on-chip PROM product. Detailed information about product features and specifications can be found in the following document. µPD78322 User’s Manual : IEU-1248 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 compatible) 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 function) Variety of peripheral hardware Realtime pulse unit 8-channel, 10-bit A/D converter Watchdog timer Powerful se...