MB91F587L Datasheet, PDF (4/177 Pages) SPANSION – This document states the current technical specifications regarding

MB91580L Series
32-bit Microcontroller
FR Family FR81S
MB91F585LA/F585LB/F585LC/F585LD/
MB91F586LA/F586LB/F586LC/F586LD/
MB91F587LA/F587LB/F587LC/F587LD
Data Sheet (Full Production)
 DESCRIPTION
This series has Spansion 32-bit microcontrollers for automobile motor control. They use the FR81S CPU
that is compatible with the FR family.
Note: FR is a line of products of Spansion Inc.
 FEATURES
• FR81S CPU Core
• 32-bit RISC, load/store architecture, pipeline 5-stage structure
• Maximum operating frequency: 128MHz (Source oscillation= 4.0MHz, 32 multiplied ( PLL clock
multiplication system) )
• General-purpose register: 32 bits, 16 sets
• 16-bit fixed length instructions (basic instructions), 1 instruction per cycle
• Instructions appropriate to embedded applications
• Memory-to-memory transfer instructions
• Bit manipulation instructions
• Barrel shift instructions
• High-level language support instructions
• Function entry/exit instructions
• Register content multi-load and store instructions
• Bit search instructions
Logical 1 detection, 0 detection, and change-point detection
• Branch instructions with delay slot
Overhead decrement during branch process
• Register interlock function
Easy assembler writing
• Built-in multiplier and instruction level support
• Signed 32-bit multiplication: 5 cycles
• Signed 16-bit multiplication: 3 cycles
Spansion provides information facilitating product development via the following website.
The website contains information useful for customers.
http://www.spansion.com/Support/microcontrollers/
Publication Number MB91F587LA_DS705-00012 Revision 2.0 Issue Date August 22, 2014
This document states the current technical specifications regarding the Spansion product(s) described herein. Spansion Inc. deems the products to have been in sufficient
production volume such that subsequent versions of this document are not expected to change. However, typographical or specification corrections, or modifications to the
valid combinations offered may occur.