STR910FAM32X6 datasheet(14/99 Pages) STMICROELECTRONICS

14 / 99 page

Functional overview

STR91xFAx32 STR91xFAx42 STR91xFAx44

14/99

Figure 1.

STR91xFA block diagram

STR91x

External Memory

Interface (EMI)***,

Muxed Address/Data

USB* Full Speed, 10

Endpoints with FIFOs

Programmable DMA

Controller (8 ch.)

AHB

APB

PLL, Power Management,

and Supervisory Reset

4 MHz to

MHz XTAL

USB Bus

JTAG

1.8V

3.0 or 3.3V

GND

CORE SUPPLY, VDD

I/O SUPPLY, VDDQ

(4) 16-bit Timers,

CAPCOM, PWM

8 Channel 10-bit

ADC

CAN 2.0B

(2) SPI

(2) I2C

Motor Control,

3-ph Induction

(80) GPIO****

(3) UART w/ IrDA

Request

from

UART,

I2C,

SPI,

Timers,

Ext Req

* USB not available on STR910

Programmable Vectored

Interrupt Controller

Ethernet**

MAC, 10/100

Dedicated

DMA

To Ethernet

PHY (MII) **

EMI Ctrl

AMBA / AHBA Interface

Control Logic / BIU and Write Buffer

Data TCM

Interface

ARM966E-S

RISC CPU Core

Instruction

TCM

Interface

JTAG

Debug

and

ETM

64K or 96K

Byte

SRAM

Arbiter

Burst Interface

Pre-Fetch Que

and Branch

Cache

Stacked Burst Flash Memory Die

Main Flash 256K

or 512K Bytes

Burst Interface

2nd Flash

32K Bytes

JTAG ISP

CORE GND, VSS

Real Time Clock

32.768 kHz

XTAL

Wake Up

Watchdog Tmr

ETM

Programmable Vectored

Interrupt Controllers

GND

I/O GND, VSSQ

AVDD

AVREF*

AVSS

BACKUP

SUPPLY

VBATT

RTC

*** EMI not available on LQFP80

** Ethernet MAC not available on STR910 and STR911

**** Only 40 GPIOs on LQFP80

ADC

STR91xA

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