STR91XFA datasheet(6/78 Pages) STMICROELECTRONICS

6 / 78 page

Description

STR91xFA

6/78

Description

STR91xFA 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 STR91xFA ordering information, functional overview, mechanical

information, and electrical device characteristics.

For complete information on STR91xFA memory, registers, and peripherals, please refer to the

STR91xFA Reference Manual.

For information on programming the STR91xFA 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

STR910FA

STR911FA

STR912FA

M32X6 W32X6 Z32H6 M42X6 M44X6 W42X6 W44X6 W34X6 W42X6 W44X6 Z42H6 Z44H6

Flash

Kbytes

256

+32

256

+32

512

+32

256

+32

512

+32

512

+32

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

USB, CAN,

EMI, 80 I/Os

Ethernet, USB, CAN,

EMI,80 I/Os

Packages

LQFP

128

LFBGA

144

LQFP80

LQFP128

LFBGA144

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