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UPD70320 Datasheet 16/8-bit Single-chip Microcontroller

Manufacturer: NEC (now Renesas Electronics)

Overview: DATA SHEET MOS INTEGRATED CIRCUIT µPD70320 V25TM 16/8-BIT SINGLE-CHIP MICROCONTROLLER The µPD70320 (V25) is a single-chip microcontroller on which 16-bit CPU, RAM, serial interface, timer, DMA controller, interrupt controller, etc. are all integrated. The µPD70320 is patible with the 8/16-bit microprocessor µPD70108/ 70116 (V20TM/V30TM) on the software level. The details of the functions are described in the following User's Manuals. Be sure to read it before starting design.

Key Features

  • Internal 16-bit architecture and external 8-bit data bus Compatible with µPD70108/ 70116 (in native mode) on software level (some instructions added) Minimum instruction cycle : 400 ns/5 MHz (µPD70320) 250 ns/8 MHz (µPD70320-8) On-chip RAM : 256 words × 8 bits Input port (port T) with comparator : 8 bits I/O lines (input port : 4 bits, input/output port : 20 bits) Serial interface (internal dedicated baud rate gene.

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UPD70320 Distributor