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M34556M4-XXXFP - SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

General Description

The 4556 Group is a 4-bit single-chip microcomputer designed with CMOS technology.

Its CPU is that of the 4500 series using a simple, high-speed instruction set.

Key Features

  • qMinimum instruction execution time Mask ROM version 0.5 µs (at 6 MHz oscillation frequency, in high-speed through-mode) One Time PROM version 0.68 µs (at 4.4 MHz oscillation frequency, in high-speed through-mode) qSupply voltage Mask ROM version 1.8 to 5.5 V One Time PROM version 1.8 to 3.6 V (It depends on operation source clock, oscillation frequency and operation mode) q Timers Timer 1 8-bit timer with a reload register Timer 2 8-bit timer with two reload registers Timer 3 16-bit tim.

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Datasheet Details

Part number M34556M4-XXXFP
Manufacturer Renesas
File Size 963.60 KB
Description SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Datasheet download datasheet M34556M4-XXXFP Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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4556 Group SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER REJ03B0025-0302 Rev.3.02 2006.12.22 DESCRIPTION The 4556 Group is a 4-bit single-chip microcomputer designed with CMOS technology. Its CPU is that of the 4500 series using a simple, high-speed instruction set. The computer is equipped with two 8-bit timers (each timer has one or two reload registers), a 16bit timer for clock count, interrupts, and oscillation circuit switch function. The various microcomputers in the 4556 Group include variations of the built-in memory size as shown in the table below. FEATURES qMinimum instruction execution time Mask ROM version .............................................................. 0.5 µs (at 6 MHz oscillation frequency, in high-speed through-mode) One Time PROM version ...........................