AT91SAM7X256C-AU
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Microchip Technology AT91SAM7X256C-AU

Manufacturer No:
AT91SAM7X256C-AU
Manufacturer:
Microchip Technology
Package:
Tray
Description:
IC MCU 16/32B 256KB FLSH 100LQFP
Delivery:
Payment:
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Product Introduction

Overview

The AT91SAM7X256C-AU is a highly integrated Flash microcontroller from Microchip Technology, formerly Atmel. It is part of the AT91SAM7X series and features the 32-bit ARM7TDMI processor, known for its high-performance and low power consumption. This microcontroller is designed to provide a robust and versatile platform for a wide range of applications, including industrial control, medical devices, and consumer electronics.

Key Specifications

ParameterValue
ProcessorARM7TDMI
Flash Memory256 Kbytes (1024 pages of 256 bytes)
SRAM64 Kbytes
Maximum Clock Speed30 MHz
Instruction Set16-bit Thumb Instruction Set
Power ConsumptionLow power modes including Slow Clock Mode and Idle Mode
Temperature Range-40°C to +85°C
Package TypeLQFP (100 pins)
Write Cycles10,000 cycles
Data Retention10 years

Key Features

  • High-performance ARM7TDMI Processor: Offers high-speed execution and low power consumption.
  • Internal High-speed Flash and SRAM: 256 Kbytes of Flash and 64 Kbytes of SRAM with single-cycle access.
  • Advanced Interrupt Controller (AIC): Supports individually maskable, eight-level priority, vectored interrupt sources.
  • Debug Unit (DBGU): Includes 2-wire UART and support for debug communication channel interrupt.
  • Power Management Controller (PMC): Provides power optimization capabilities, including slow clock mode and idle mode.
  • EmbeddedICE™ In-circuit Emulation: Supports debug communication channel.

Applications

The AT91SAM7X256C-AU is suitable for a variety of applications due to its versatility and robust feature set. Some common applications include:

  • Industrial Control Systems: For controlling and monitoring industrial processes.
  • Medical Devices: For medical equipment that requires high reliability and precision.
  • Consumer Electronics: For devices such as set-top boxes, GPS systems, and other consumer electronic products.
  • Automotive Systems: For various automotive control and monitoring systems.

Q & A

  1. What is the core processor of the AT91SAM7X256C-AU?
    The core processor is the ARM7TDMI.
  2. How much Flash memory does the AT91SAM7X256C-AU have?
    The AT91SAM7X256C-AU has 256 Kbytes of Flash memory.
  3. What is the maximum clock speed of the AT91SAM7X256C-AU?
    The maximum clock speed is 30 MHz.
  4. What are the power consumption modes of the AT91SAM7X256C-AU?
    The device supports low power modes including Slow Clock Mode and Idle Mode.
  5. What is the temperature range of the AT91SAM7X256C-AU?
    The temperature range is -40°C to +85°C.
  6. What type of package does the AT91SAM7X256C-AU come in?
    The device comes in a 100-pin LQFP package.
  7. How many write cycles can the Flash memory of the AT91SAM7X256C-AU handle?
    The Flash memory can handle 10,000 write cycles.
  8. What is the data retention period of the Flash memory?
    The data retention period is 10 years.
  9. Does the AT91SAM7X256C-AU support in-circuit emulation?
    Yes, it supports EmbeddedICE™ In-circuit Emulation.
  10. What are some common applications of the AT91SAM7X256C-AU?
    Common applications include industrial control systems, medical devices, consumer electronics, and automotive systems.

Product Attributes

Core Processor:ARM7®
Core Size:16/32-Bit
Speed:55MHz
Connectivity:CANbus, Ethernet, I²C, SPI, SSC, UART/USART, USB
Peripherals:Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O:62
Program Memory Size:256KB (256K x 8)
Program Memory Type:Flash
EEPROM Size:- 
RAM Size:64K x 8
Voltage - Supply (Vcc/Vdd):1.65V ~ 1.95V
Data Converters:A/D 8x10b
Oscillator Type:Internal
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:100-LQFP
Supplier Device Package:100-LQFP (14x14)
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Similar Products

Part Number AT91SAM7X256C-AU AT91SAM7X256C-AUR AT91SAM7X256C-CU AT91SAM7S256C-AU AT91SAM7X256-AU AT91SAM7X256B-AU
Manufacturer Microchip Technology Microchip Technology Microchip Technology Atmel Microchip Technology Microchip Technology
Product Status Active Active Active Obsolete Obsolete Obsolete
Core Processor ARM7® ARM7® ARM7® ARM7® ARM7® ARM7®
Core Size 16/32-Bit 16/32-Bit 16/32-Bit 16/32-Bit 16/32-Bit 16/32-Bit
Speed 55MHz 55MHz 55MHz 55MHz 55MHz 55MHz
Connectivity CANbus, Ethernet, I²C, SPI, SSC, UART/USART, USB CANbus, Ethernet, I²C, SPI, SSC, UART/USART, USB CANbus, Ethernet, I²C, SPI, SSC, UART/USART, USB I²C, SPI, SSC, UART/USART, USB CANbus, Ethernet, I²C, SPI, SSC, UART/USART, USB CANbus, Ethernet, I²C, SPI, SSC, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT Brown-out Detect/Reset, DMA, POR, PWM, WDT Brown-out Detect/Reset, DMA, POR, PWM, WDT Brown-out Detect/Reset, DMA, POR, PWM, WDT Brown-out Detect/Reset, DMA, POR, PWM, WDT Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O 62 62 62 32 62 62
Program Memory Size 256KB (256K x 8) 256KB (256K x 8) 256KB (256K x 8) 256KB (256K x 8) 256KB (256K x 8) 256KB (256K x 8)
Program Memory Type Flash Flash Flash Flash Flash Flash
EEPROM Size - - - - - -
RAM Size 64K x 8 64K x 8 64K x 8 64K x 8 64K x 8 64K x 8
Voltage - Supply (Vcc/Vdd) 1.65V ~ 1.95V 1.65V ~ 1.95V 1.65V ~ 1.95V 1.65V ~ 1.95V 1.65V ~ 1.95V 1.65V ~ 1.95V
Data Converters A/D 8x10b A/D 8x10b A/D 8x10b A/D 8x10b A/D 8x10b A/D 8x10b
Oscillator Type Internal Internal Internal Internal Internal Internal
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 100-LQFP 100-LQFP 100-TFBGA 64-LQFP 100-LQFP 100-LQFP
Supplier Device Package 100-LQFP (14x14) 100-LQFP (14x14) 100-TFBGA (9x9) 64-LQFP (10x10) 100-LQFP (14x14) 100-LQFP (14x14)

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