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产品概述
A member of the Atmel 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 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, 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.
关键参数
| Parameter | Value |
| Flash (Kbytes): | 256 Kbytes |
| Pin Count: | 100 |
| Max. Operating Freq. (MHz): | 55 MHz |
| CPU: | ARM7TDMI |
| Hardware QTouch Acquisition: | No |
| Max I/O Pins: | 62 |
| Ext Interrupts: | 62 |
| USB Transceiver: | 1 |
| USB Speed: | Full Speed |
| USB Interface: | Device |
