STR91XF_07 datasheet(6/73 Pages) STMICROELECTRONICS

6 / 73 page

Introduction

STR91xF

6/73

Introduction

STR91xF is a series of ARM-powered microcontrollers which combines a 16/32-bit

ARM966E-S RISC processor core, dual-bank Flash memory, large SRAM for data or code, and

a rich peripheral set to form an ideal embedded controller for a wide variety of applications such

as point-of-sale terminals, industrial automation, security and surveillance, vending machines,

communication gateways, serial protocol conversion, and medical equipment. The ARM966E-S

core can perform single-cycle DSP instructions, good for speech processing, audio algorithms,

and low-end imaging.

This datasheet provides STR91xF ordering information, functional overview, mechanical

information, and electrical device characteristics.

For complete information on STR91xF memory, registers, and peripherals, please refer to the

STR91xF Reference Manual.

For information on programming the STR91xF Flash memory please refer to the STR9 Flash

Programming Reference Manual

For information on the ARM966E-S core, please refer to the ARM966E-S Rev. 2 Technical

Reference Manual.

Table 1.

Device summary

Features

STR910F

STR911F

STR912F

M32X6

W32X6

M42X6

M44X6

W42X6

W44X6

Flash

Kbytes

256+32

512+32

256+32

512+32

RAM -

Kbytes

Peripheral

functions

CAN, 40 I/Os

CAN, EMI,

80 I/Os

USB, CAN, 40 I/Os

Ethernet, USB, CAN, EMI,

80 I/Os

Packages

LQFP80

LQFP128

LQFP80

LQFP128

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