32-bit Proprietary Microcontrollers

■ DESCRIPTION The MB91151A is a single-chip microcontroller using a 32-bit RISC-CPU (FR30 family) as its core. ■ FEATURES CPU • 32-bit RISC (FR30) , load/store architecture, 5-stage pipeline • General-purpose registers : 32 bits × 16 • 16-bit fixed-length instructions (basic inst