Microchip, 32bit ARM, AT91 Microcontroller, 55MHz, 256 kB Flash, 100-Pin LQFP

Subtotal (1 tray of 90 units)*

£601.92

(exc. VAT)

£722.34

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 28 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Tray*
90 +£6.688£601.92

*price indicative

RS Stock No.:
177-3425
Mfr. Part No.:
AT91SAM7X256C-AU
Brand:
Microchip
Find similar products by selecting one or more attributes.
Select all

Brand

Microchip

Family Name

AT91

Package Type

LQFP

Mounting Type

Surface Mount

Pin Count

100

Device Core

ARM

Data Bus Width

32bit

Program Memory Size

256 kB

Maximum Frequency

55MHz

RAM Size

64 kB

USB Channels

1

Number of PWM Units

1 x 16 bit

Number of SPI Channels

2

Typical Operating Supply Voltage

3.6 (Maximum) V

Number of UART Channels

2

Number of I2C Channels

1

Number of CAN Channels

1

Number of USART Channels

2

Maximum Number of Ethernet Channels

1

Instruction Set Architecture

RISC

Minimum Operating Temperature

-40 °C

Number of Ethernet Channels

1

Height

1.45mm

Data Rate

100Mbit/s

Width

14mm

Program Memory Type

Flash

Dimensions

14 x 14 x 1.45mm

Pulse Width Modulation

1 (4 x 16 bit)

Maximum Operating Temperature

+85 °C

Number of ADC Units

1

ADCs

8 x 10 bit

Length

14mm

Microchip Technology Microcontroller


The Microchip technology AT91 family type, LQFP package, surface mount, 100-pin ARM7TDMI 32-bit microcontroller has a maximum voltage rating of 3.6 V. It operates at a maximum speed of 55MHz and features 256kb of flash and 64kb of SRAM. The peripheral set includes USB 2.0 full-speed device port, Ethernet MAC 10/100 port, two USART, UART, two SPI, SSC, TWI (I2C), three 16-bit timers, RTT and 8x10-bit ADC. It has 62 programmable I/O lines multiplexed with up to two peripheral I/Os.

Features and Benefits


• 16-bit PWM resolution
• CAN Controller 2.0A and 2.0B
• Embedded ICE T0/T1 smart card, hardware handshaking, RS485 support
• Four programmable external clock signals have 8-bit asynchronous timer/counter
• High endurance non-volatile memory segments
• High-performance 32-bit RISC architecture
• It has seven mode of operations - User, fast interrupt, interrupt, supervisor, abort, system and undefined
• On-chip 2-cycle multiplier
• Operation temperature ranges between -40°C and 85°C
• Sleep modes- idle, ADC noise reduction, power-save, power-down and standby
• Two 8-bit to 16-bit master/slave serial peripheral interfaces (SPI)
• Windowed watchdog timer

Applications


• Embedded systems
• LCD monitors and TVs
• Mobile PC docking
• PC motherboards
• Portable hub boxes
• Printers and scanners

Related links