MB91F587LB datasheet(4/177 Pages) SPANSION

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MB91580L Series

32-bit Microcontroller

FR Family FR81S

MB91F585LA/F585LB/F585LC/F585LD/

MB91F586LA/F586LB/F586LC/F586LD/

MB91F587LA/F587LB/F587LC/F587LD

Data Sheet (Full Production)

Publication Number MB91F587LA_DS705-00012

Revision 2.0

Issue Date August 22, 2014

CONFIDENTIAL

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.



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

•

Bit search instructions

Logical 1 detection, 0 detection, and change-point detection

•

Branch instructions with delay slot

Overhead decrement during branch process

•

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/

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