MB91151A

www.DataSheet4U.com FUJITSU SEMICONDUCTOR DATA SHEET DS07-16312-1E 32-bit Proprietary Microcontrollers CMOS FR30 Family MB91151A Series MB91151A s DESCRIPTION The MB91151A is a single-chip microcontroller using a 32-bit RISC-CPU (FR30 family) as its core. s FEATURES 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 (Continued) s PACKAGE 144-pin plastic LQFP (FPT-144P-M08) DataSheet 4 U .com www.DataSheet4U.com MB91151A (Continued) Bus Interface 16-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 as input/output ports Support for little endian mode Internal RAM Instruction RAM : 2 Kbytes Dat...