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SAM7X(C)
SAM7X(C)
Votes (8) || Hits (5189) || Comments (2)
 

Created Wednesday, 03 February 2010
Description

 

Description

The AT91SAM7X(C) is a Flash microcontroller Family with integrated Ethernet, USB and CAN interface, based on the 32-bit ARM7TDMI RISC processor. It features embedded high-speed Flash with sector lock capabilities and a security bit.
Its extensive peripheral set includes a USB 2.0 Full Speed Device Port, Ethernet MAC 10/100 base T, CAN 2.0A and 2.0B compliant Controller, USARTs, SPI, SSC, TWI and an 8-channel 10-bit ADC.

The integrated proprietary SAM-BA Boot Assistant enables in-system programming of the embedded Flash.

*The C option offers embedded crypto accelerators.

 
Block Diagram
SAM7X(C)
Product Selection Table




Product Selection Table
Product Name Flash SRAM Clock Speed Package Crypto
SAM7X512 512 Kbytes 128 Kbytes 55 MHz QFP100 / BGA100 No
SAM7X256 256 Kbytes 64 Kbytes 55 MHz QFP100 / BGA100 No
SAM7X128 128 Kbytes 32 Kbytes 55 MHz QFP100 / BGA100 No
SAM7XC512 512 Kbytes 128 Kbytes 55 MHz QFP100 / BGA100 Yes
SAM7XC256 256 Kbytes 64 Kbytes 55 MHz QFP100 / BGA100 Yes
SAM7XC128 128 Kbytes 32 Kbytes 55 MHz QFP100 / BGA100 Yes

Comments
Written by: roosemberth On 24 November 2011
SAM7X(C)

hello, who can help me to program an at91sam7x512, I'm really new in this and I don't lnow how to start, please help

Written by: jmwoods1 On 15 November 2012
microsecond accuracy on SAM7X256 timers

I'm trying to write a timer module that accepts ms and us params however it doesn seem to work below 5uS. MCK is 48MHz so it should be able to fire interrupts fast enough. The ISR is not very long so I don't know why its not fast enough. I've tried increasing the AIC priority for TC but it doesn't make any difference. I'm using it capture mode with a RC compare interrupt which then toggles an I/O pin so I can verify the period for testing. Unfortunately my RTOS is using the PIT which is probably simpler to use for this purpose. Has anyone got the timers working down to 1us?

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