FUJITSU SEMICONDUCTOR
DATA SHEET
DS07-16306-3E
32-bit Proprietary Microcontrollers
CMOS
FR30 Family
MB91150 Series
MB91F155A/MB91155/MB91154
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DESCRIPTION
The MB91F155A/MB91155/MB91154 is a single-chip microcontroller using a RISC-CPU (FR 30 series) as its
core. It contains peripheral I/O resources suitable for audio, MD and so on which are required to operate at low
power consumption.
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FEATURES
1. CPU
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32-bit RISC (FR30) , load/store architecture, 5-stage pipeline
General-purpose registers : 32 bits
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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
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PACKAGE
144-pin plastic LQFP
144-pin plastic LQFP
(FPT-144P-M08)
(FPT-144P-M01)
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