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AVR Speed grades I am looking at the data sheet for the mega645. On the section about speed grades it talks about the Maximum Frequency. Does this maximum frequency refer to crystal oscillator or... |
Wednesday, 4 February 2015 - 12:32 |
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using PORTF.7 as an output is causing a reset Hi I have a circuit with a MEGA645 and I am trying to use portF.7 as an output to drive an LED. This works fine when I don't enable interrupts. But as soon as I enable the master... |
Tuesday, 12 March 2013 - 19:47 |
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xmodem-1k and HyperTerminal Hi I have written a boot loader that use xmodem 1k to load a new hex file. I have discovered that HyperTerminal appears to add an extra 0xFF when sending the CRC if the CRC... |
Wednesday, 1 June 2011 - 22:38 |
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tiny2313 USART SPI master clock does not stop I am having a problem with the SPI clock when using the USART SPI module on the tiny2313 chip. /* enable the rx and tx and data transmit complete interupt */ UCSRB |= (1... |
Sunday, 9 May 2010 - 20:15 |
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connecting 2 AVRs using SPI and still have ISP capabilities I want to connect 2 AVRs via SPI but still maintain the ability to use ISP on each one using the 6 pin header. Is there a standard configuration for this? Maybe there is a better... |
Monday, 5 April 2010 - 08:12 |