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MB90455 Datasheet (mb90455 - Mb90495) 16-bit Proprietary Microcontroller

Manufacturer: Fujitsu Semiconductor Limited

Overview: FUJITSU SEMICONDUCTOR DATA SHEET DS07-13728-3E 16-bit Proprietary Microcontroller CMOS F2MC-16LX MB90455 Series MB90F455 (S) /F456 (S) /F457 (S) MB90455 (S) /456 (S) /457 (S).

General Description

MB90455 series devices are general-purpose high-performance 16-bit micro controllers designed for process control of consumer products, which require high-speed real-time processing.

The system, inheriting the architecture of F2MC* family, employs additional instruction ready for high-level languages, expanded addressing mode, enhanced multiply-divide instructions, and enriched bit-processing instructions.

Furthermore, employment of 32-bit accumulator achieves processing of long-word data (32 bits).

Key Features

  • Clock.
  • Built-in PLL clock frequency multiplication circuit.
  • Selection of machine clocks (PLL clocks) is allowed among frequency division by two on oscillation clock, and multiplication of 1 to 4 times of oscillation clock (for 4-MHz oscillation clock, 4 MHz to 16 MHz).
  • Operation by sub-clock (8.192 kHz) is allowed.
  • Minimum execution time of instruction: 62.5 ns (when operating with 4-MHz oscillation clock, and 4-time multiplied PLL clock). (Continu.

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