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UPD78322L Datasheet(PDF) 1 Page - NEC |
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UPD78322L Datasheet(HTML) 1 Page - NEC |
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1 / 88 page  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 serial interface (with an on-chip dedicated baud rate generator) • UART ····· 1 channel • SBI (NEC Standard Serial Bus Interface) • 3-wire serial I/O APPLICATIONS • Motor control devices Unless there are any particular notices, the µPD78322 is described as the representative model in this document. Document No. U10455EJ7V0DS00 (7th edition) (Previous No. IC-2354) Date Published November 1995 P Printed in Japan © 1989 DATA SHEET The information in this document is subject to change without notice. ····· 1 channel 16/8-BIT SINGLE-CHIP MICROCONTROLLER The mark shows major revised points. MOS INTEGRATED CIRCUIT µPD78320,78322 |
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