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Siehe Technische Spezifikationen

AT91SAM7A1-AU +BOM

MCU 32-bit 91S ARM7TDMI RISC ROMLess 3.3V 144-Pin LQFP

Hersteller:

MICROCHIP
Herstellerteil #:

AT91SAM7A1-AU
Datenblatt:

AT91SAM7A1-AU Datenblatt (PDF)
Programmabe:

Not Verified
Core Processor:

ARM7®
Core Size:

16/32-Bit
Speed:

40MHz
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an AT91SAM7A1-AU

AT91SAM7A1-AU Allgemeine Beschreibung

The microcontroller comes in a convenient 64-pin QFP package, making it easy to integrate into various hardware designs. Programming the AT91SAM7A1-AU is a breeze with support for popular development tools such as Atmel Studio IDE and ARM Keil MDK toolkit. This makes it accessible to both experienced developers and newcomers looking to harness the power of a 32-bit ARM core

Hauptmerkmale

Incorporates the ARM7TDMI ARM Thumb Processor

High-performance 32-bit RISC Architecture

High-density 16-bit Instruction Set

Leader in MIPS/Watt

EmbeddedICE In-circuit Emulation, Debug Communication Channel Support

Internal High-speed Flash

512 Kbytes (AT91SAM7S512) Organized in Two Contiguous Banks of 1024 Pages of 256 Bytes (Dual Plane)

256 Kbytes (AT91SAM7S256) Organized in 1024 Pages of 256 Bytes (Single Plane)

128 Kbytes (AT91SAM7S128) Organized in 512 Pages of 256 Bytes (Single Plane)

64 Kbytes (AT91SAM7S64) Organized in 512 Pages of 128 Bytes (Single Plane)

32 Kbytes (AT91SAM7S321/32) Organized in 256 Pages of 128 Bytes (Single Plane)

16 Kbytes (AT91SAM7S161/16 Organized in 256 Pages of 64 Bytes (Single Plane)

Single Cycle Access at Up to 30 MHz in Worst Case Conditions

Prefetch Buffer Optimizing Thumb Instruction Execution at Maximum Speed

Page Programming Time: 6 ms, Including Page Auto-erase, Full Erase Time: 15 ms

10,000 Write Cycles, 10-year Data Retention Capability, Sector Lock Capabilities, Flash Security Bit

Fast Flash Programming Interface for High Volume Production

Internal High-speed SRAM, Single-cycle Access at Maximum Speed

64 Kbytes (AT91SAM7S512/256)

32 Kbytes (AT91SAM7S128)

16 Kbytes (AT91SAM7S64)

8 Kbytes (AT91SAM7S321/32)

4 Kbytes (AT91SAM7S161/16)

Memory Controller (MC)

Embedded Flash Controller, Abort Status and Misalignment Detection

Reset Controller (RSTC)

Based on Power-on Reset and Low-power Factory-calibrated Brown-out Detector

Provides External Reset Signal Shaping and Reset Source Status

Clock Generator (CKGR)

Low-power RC Oscillator, 3 to 20 MHz On-chip Oscillator and one PLL

Power Management Controller (PMC)

Software Power Optimization Capabilities, Including Slow Clock Mode (Down to 500 Hz) and Idle Mode

Three Programmable External Clock Signals

Advanced Interrupt Controller (AIC)

Individually Maskable, Eight-level Priority, Vectored Interrupt Sources

Two (AT91SAM7S512/256/128/64/321/161) or One (AT91SAM7S32/16) External Interrupt Source(s) and One Fast Interrupt Source, Spurious Interrupt Protected

Debug Unit (DBGU)

2-wire UART and Support for Debug Communication Channel interrupt, Programmable ICE Access Prevention

Mode for General Purpose 2-wire UART Serial Communication

Periodic Interval Timer (PIT)

20-bit Programmable Counter plus 12-bit Interval Counter

Windowed Watchdog (WDT)

12-bit key-protected Programmable Counter

Provides Reset or Interrupt Signals to the System

Counter May Be Stopped While the Processor is in Debug State or in Idle Mode

(Continue .)

Spezifikationen

Programmabe	Not Verified	Core Processor	ARM7®
Core Size	16/32-Bit	Speed	40MHz
Connectivity	CANbus, EBI/EMI, SPI, UART/USART	Peripherals	POR, PWM, WDT
Number of I/O	49	Program Memory Size	-
Program Memory Type	ROMless	EEPROM Size	-
RAM Size	4K x 8	Voltage - Supply (Vcc/Vdd)	3V ~ 3.6V
Data Converters	A/D 8x10b	Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)	Mounting Type	Surface Mount

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