MB91520
Overview
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.
- 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 applications
- Memory-to-memory transfer instruction
- Bit processing instruction
- Barrel shift order etc.
- High-level language support instructions
