AT91SAM7X256C-AU Microcontrollers - MCU by Microchip Technology

Status: Active
Series: AT91SAM7X256
RoHS: Compliant
View Datasheet Manufacturer Site View Pricing & Stock

The Microchip's ARM-based SAM7X256 is a member of the Microchip SAM7X series of microcontrollers based on the 32-bit ARM7TDMI processor. It operates at a maximum speed of 55 MHz and features 256KB of flash memory and 64KB of SRAM. The peripheral set includes USB 2.0 Full Speed device port , Ethernet MAC 10/100 port, CAN 2.0A and 2.0B compliant Controller, two USART, UART, two SPI, SSC, TWI (I2C), three 16-bit timers, RTT and 8x10-bit ADC. Typical core supply is 1.8V, I/Os are supplied at 1.8V or 3.3V and are 5V tolerant. An integrated voltage regulator allows single supply at 3.3V. The SAM7X256 is supplied in 100-lead LQFP and TFBGA packages.

Prices starting from US$8.53


Distributor Starting From Stock
Logo for Microchip Technology Microchip Technology US$8.96
88,206
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Logo for Avnet America Avnet America US$10.23
1,160
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Logo for Micros Micros US$8.53
138
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Logo for Schukat Electronic Schukat Electronic US$9.07
132
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Logo for Transfer Multisort Elektronik Transfer Multisort Elektronik US$11.46
35
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Logo for element14 element14 US$10.62
10
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Logo for Farnell Farnell US$10.47
10
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Logo for Future Electronics Future Electronics US$10.92
9
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Logo for Newark Electronics Newark Electronics US$10.64
-
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Logo for Distrelec Distrelec US$12.88
-
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Logo for EBV Elektronik EBV Elektronik -
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Logo for Avnet Silica Avnet Silica -
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Specifications

Part Family ARM7TDMI
CPU Type ARM7
MaxSpeed (MHz) 55
Program Memory Size (KB) 256
SRAM (KB) 64
Data EEPROM (bytes) 0
Temp. Range Min. -40
Temp. Range Max. 85
Operation Voltage Min.(V) 3
Operation Voltage Max.(V) 3.6
Direct Memory Access (DMA) Channels 13
SPIâ„¢ 2
I2C 1
UART 3
I2S 0
Ethernet 10/100 Base-TX Mac
Quadrature Encoder Interface (QEI) 0
Crypto Engine No
Number of USB Modules 1
USB Interface FS Device
Number of CAN Modules 1
Type of CAN module None
ADC Channels 8
Max ADC Resolution (bits) 10
Max ADC Sampling Rate (ksps) 384
Number of DACs 0
Input Capture 3
Standalone Output Compare/ Standard PWM 0
Motor Control PWM Channels 0
Max 16 Bit Digital Timers 3
Number of Comparators 0
Internal Oscillator 32Khz
Max I/O Pins 62
Pin Count 100
Low Power No
Pins | Packaging 100 | LQFP
Temp Range -40C to +85C
Packing Media Tray (90)

Resources


Application Notes
AN_6260 - AT91SAM7X and AT91SAM7XC Microcontroller Series Schematic Check List
AN_6310 - GNU-Based Software Development on AT91SAM Microcontrollers
AN_6296 - Getting Started with AT91SAM7X Microcontrollers
AN_6348 - AT91 USB Integrated Circuit(s) Cards Interface Devices (CCID) Driver Implementation
AN_6436 - AT91 USB Composite Driver Implementation
AN_6349 - AT91-AN02: Signal Integrity and AT91 Products
AN_6404 - Using Low Power Modes in AT91SAM7L Microcontrollers
AN_6269 - AT91 USB CDC Driver Implementation
AN_6273 - AT91 USB HID Driver Implementation
AN_6306 - Using the Memory Protection Unit (MPU) on AT91SAM7SE Microcontrollers
AN_6229 - Using the Serial Peripheral Interface with AT91SAMxx Devices
AN_6148 - Using a Real-time Timer with Non-calibrated RC Oscillator as Real-time Clock
AN_42382 - AT04056: Getting Started with FreeRTOS on SAM Flash MCUs
AN_6131 - AT91 Assembler Code Startup Sequence for C Code Applications Software Based on the AT91SAM7S64 Evalu
AN_6250 - Using Open Source Tools for AT91SAM7 Cross Development
AN_6253 - Safe and Secure Firmware Upgrade for AT91SAM Microcontrollers
AN_2644 - AT91 Assembler Code Startup Sequence for C Code Applications Software
AN_1156 - Disabling Interrupts at Processor Level
AN_1168 - Interrupt Management: Auto-Vectoring & Prioritization
AN_6020 - Connecting an ARM-based Serial Synchronous Controller to an I2S-compatible Serial Bus
AN_6220 - AT91SAM CAN Bootloader User Notes
AN_6282 - Safe and Secure Bootloader Implementation
AN_6287 - Using SDRAM on AT91SAM7SE Microcontrollers
AN_6283 - AT91 USB Mass Storage Device Driver Implementation
AN_2669 - Interfacing a 4x4 Keyboard to an AT91 Microcontroller
AN_2682 - Pulse Width Modulation Generation Using the AT91 Timer/Counter
AN_2683 - Interrupt Generation Using the AT91 Timer/Counter




Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.5804
Shipping Weight (kg) 6.666667
Lead Count 100
Package Type LQFP
Package Width or Size 14x14x1.4mm
Soldering Composition Matte Tin

Alternative Descriptions

LQFP,GREEN,IND TEMP, MRL C | Microchip Technology
MCU 32-bit 91S ARM7TDMI RISC 256KB Flash 1.8V/3.3V 100-Pin LQFP | Avnet America
256kB-FL 64kB-RAM 62I/O ISP 1,8/3,3V 3xtimer 8A/D 2UART USB FS CAN ETH -40÷85°C | Micros
MC 32bit 1,8V 256kB Flash 55MHz LQFP100 | Schukat Electronic
IC: ARM7TDMI microcontroller | Transfer Multisort Elektronik
MCU, 32BIT, ARM7TDMI, LQFP-100 | element14
AT91 Series 256 kB Flash 64 RAM 55 MHz 32-Bit Microcontroller - LQFP-100 | Future Electronics
Lqfp,green,ind Temp, Mrl C Rohs Compliant: Yes |Microchip AT91SAM7X256C-AU | Newark Electronics
Microchip ARM7TDMI SAM Microcontroller ARM7TDMI 20MHz 256KB / 64KB LQFP-100 32bit 256KB LQFP | Distrelec


Frequently Asked Questions

Where can I find additional details, specifications and documents for a AT91SAM7X256C-AU?

Additional datasheets, footprints and schematics for AT91SAM7X256C-AU are listed on our Part Details page. You can also find images and similar parts to AT91SAM7X256C-AU on this page.

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What category does AT91SAM7X256C-AU fall under?

The AT91SAM7X256C-AU is listed under Semiconductors - ICs > Microcontrollers - MCU > 16 / 32 Bit Microcontrollers - MCU - ARM.

Can I view similar or alternative parts?

You can view similar parts to AT91SAM7X256C-AU when available in the 16 / 32 Bit Microcontrollers - MCU - ARM range under the specifications section at the bottom of the details page.

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Is the AT91SAM7X256C-AU RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Microchip Technology.

Which authorised distributors for AT91SAM7X256C-AU have stock available?

Authorised distributors including Microchip Technology, Avnet America, Micros, Schukat Electronic and RS have stock available or on a lead time for AT91SAM7X256C-AU.

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