D78320L Datasheet | NEC

DATA SHEET .. 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 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 function) - Variety of peripheral hardware - Realtime pulse unit - 8-channel, 10-bit A/D converter - Watchdog timer - Powerful serial interface (with an on-chip dedicated baud rate generator) - UART - - - - - 1 channel - SBI (NEC Standard Serial Bus Interface) - 3-wire serial I/O -...