FUJITSU SEMICONDUCTOR DATA SHEET DS07-16316-1E 32-bit Proprietary Microcontrollers CMOS FR30 MB91F158 MB91F158 s DESCRIPTION The MB91F158 is a microcontroller for CD/DVD using a RISC-CPU (FR 30 series) as its core.
s FEATURES 1.
CPU • • • • • • • • • • • • • • • 32-bit RISC (FR30) , load/store architecture, 5-stage pipeline General-purpose registers : 32 bits × 16 16-bit fixed-length instructions (basic instructions) , 1 instruction/ 1 cycle Memory-to-memory transfer, bit processing, barrel shift processing : Optimized for embedded applications Function entrance/exit instructions, and multiple load/store instructions of register contents, instruction systems suppor...

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