Description
The MB91121 is a microcontroller with a 32-bit RISC CPU (FR family
) as the core, incorporating a variety of I/O resources, a bus control facility, and a multiplier-accumulator (simplified DSP) with internal program RAM for built-in control applications which require advanced, high-speed CPU processing.
Features
- 1. FR CPU.
- 32-bit RISC, load/store architecture, 5-stage pipeline Operating clock frequency : Internal 50 MHz/external 25 MHz (PLL used at source oscillation 12.5 MHz) General purpose registers : 32 bits × 16 16-bit fixed length instructions (basic instructions) , 1 instruction/1 cycle Memory to memory transfer, bit processing, barrel shifter processing : Optimized for embedded.
MB91121_FujitsuMediaDevices.pdf
