Product Summary

The AT91SAM7X256CU is a highly integrated Flash microcontroller, which is based on the 32-bit ARM RISC processor. It features 256/128 Kbyte high-speed Flash and 64/32 Kbyte SRAM, a large set of peripherals, including an 802.3 Ethernet MAC and a CAN controller.

Parametrics

AT91SAM7X256CU absolute maximum ratings: (1)Operating Temperature (Industrial): -40℃ to + 85℃; (2)Storage Temperature: -60℃ to + 150℃; (3)Voltage on Input Pins with Respect to Ground: -0.3V to + 5.5V; (4)Maximum Operating Voltage (VDDCORE, and VDDPLL): 1.95V; (5)Maximum Operating Voltage (VDDIO, VDDIN and VDDFLASH): 3.6V; (6)Total DC Output Current on all I/O lines 100-lead LQFP package: 200 mA.

Features

AT91SAM7X256CU features: (1)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; (2)Internal High-speed Flash: 256 Kbytes (AT91SAM7X256) Organized in 1024 Pages of 256 Bytes, 128 Kbytes (AT91SAM7X128) Organized in 512 Pages of 256 Bytes, Single Cycle Access at Up to 30 MHz in Worst Case Conditions; (3)Internal High-speed SRAM, Single-cycle Access at Maximum Speed: 64 Kbytes (AT91SAM7X256), 32 Kbytes (AT91SAM7X128).

Diagrams

AT91SAM7X256CU block diagram

AT91C140
AT91C140

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