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UPD70433 - V55PITM 16-BIT MICROPROCESSOR

Datasheet Summary

Description

The µPD70433 (V55PI) is a microprocessor in which a 16-bit CPU, RAM, serial interface, parallel interface, A/D converter, timers, DMA controller, interrupt controller, etc., are integrated in a single chip.

Features

  • Internal 16-bit architecture, selectable external data bus width (16/8 bits).
  • Software compatible with V20TM and V30TM (native mode) and V25 and V35 (includes additional instructions).
  • Minimum instruction cycle: 160 ns/12.5 MHz (external 25 MHz) 125 ns/16 MHz (external 32 MHz).
  • Address space: 16M bytes: 1-Mbyte basic memory space 16-Mbyte extended memory space.
  • Register file space (in on-chip RAM) : 512 bytes/16 register banks.
  • I/O space : 6.

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Datasheet Details

Part number UPD70433
Manufacturer NEC
File Size 772.23 KB
Description V55PITM 16-BIT MICROPROCESSOR
Datasheet download datasheet UPD70433 Datasheet
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Full PDF Text Transcription

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DATA SHEET MOS INTEGRATED CIRCUIT µPD70433 V55PITM 16-BIT MICROPROCESSOR DESCRIPTION The µPD70433 (V55PI) is a microprocessor in which a 16-bit CPU, RAM, serial interface, parallel interface, A/D converter, timers, DMA controller, interrupt controller, etc., are integrated in a single chip. The V55PI is software-compatible with the µPD70320 and 70330 (V25TM and V35TM) single-chip microcontrollers. The V55PI provides a migration path from the V25. It offers higher-level functions and higher performance, and is particularly suitable for control of data processing systems associated with mechanical control, including printer and facsimile. Detailed functions are described in the following user’s manuals, which should be read when carrying out design work.
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