MB91F158

www.DataSheet4U.com 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 supporting high level languages Register interlock functions, efficient assembly language description Branch instructions with delay slots : Reduced overhead time in branching executions Internal multiplier/supported at instruction level Signed 32-bit multiplication : 5 cycles Signed 16-bit multiplication : 3 cycles Interrupt (PC and PS saving) : 6 cycles, 16 priority levels Support for little endian mode 24-bit address output, 8/16-bit data input and output Basic bus cycle : 2-clock cycle Support for interface for various types of memory Unused data/address pins can be configured us input/output ports Support for little endian mode 2. Bus Interface (Continued) s PACKAGE 120-pin plastic LQFP (FPT-120P-M05) DataSheet 4 U .com www.DataSheet4U.com MB91F158 3. Internal ROM FLASH products : 51...