MB91520 - 32-bit Microcontroller

The MB91520 series is a Fujitsu Semiconductor 32-bit microcontroller designed for automotive devices.

This series contains the FR81S CPU which is compatible with the FR family.

Note: FR, the abbreviation of FUJITSU RISC controller, is a line of products of Fujitsu Semiconductor Limited.

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• FR81S CPU Core.
• 32-bit RISC, load/store architecture, pipeline 5-stage structure.
• Maximum operating frequency: 80 MHz (Source oscillation = 4.0 MHz and 20 multiplied (PLL clock multiplication system)).
• General-purpose register : 32 bits × 16 sets.
• 16-bit fixed length instructions (basic instruction), 1 instruction per cycle.
• Instructions appropriate to embedded.