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Why there is no TWI7 defined in samg5_xplained_pro.h for ASF for the SAMG55? Hi, I looked at the file samg55_xplained_pro.h and see the below #defines for all the TWI pins. The SAMG55 has a TWI7 for peripheral B for pins PA27 and PA28. ... |
Wednesday, 31 August 2016 - 16:35 |
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How to turn on SAMG55J19's TWI7 peripheral B pin27A/pin28A Hi all, Appreciate pointing to the write direction how to set up the SAMG55J19 to use its TWI7 (I2C) from PIN27A/PIN28A. According to the datasheet, I would have use... |
Sunday, 24 July 2016 - 05:10 |
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radial electrolytic caps replace polystyrene caps? Hi, I am looking to replace the Vectrex game console motherboard's polystyrene caps, which are quite expensive. I am wondering if normal radial electrolytic caps like... |
Saturday, 21 May 2016 - 19:58 |
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Mysterious voltage drop? Hi, I am trying to interface with the TMS9918ANL (TI's Video Display Processor, 30 years old!). Min voltage requires for this chip is 4.75V. I use the ATMEGA... |
Tuesday, 29 March 2016 - 17:29 |
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Can write fuses but CAN'T read back with usbtiny for ATMEGA328 Hi, It's one of those fuse days again. As you can see below, I can write the fuses for my ATMEGA328 (just the original ATMEGA328 not ATMEGA328P) using USBTiny... |
Tuesday, 25 August 2015 - 00:32 |
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Replacing electrolytic caps for the power supply board of a 30-year-old computer Hi, Besides playing with AVR microcontrollers, I collect vintage computers. I have acquired an Atari 1040STF, and I believe the caps on the power board need to be... |
Sunday, 5 July 2015 - 17:12 |
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Generating a clock frequency Hi, I follow the attached schematic to generate a 3.579545Mhz frequency, using the crystal 3.579545Mhz. In the schematic, I choose C1 as 22pF. The frequency... |
Saturday, 17 January 2015 - 22:54 |
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Analog GND and digital GND clarification needed Hi, Doing a project with SPI and MP3 player using the VS1003B MP3 decoder chip. I've found a lot of projects on the net that I can try out. One such project is... |
Friday, 2 January 2015 - 19:51 |
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SPI MOSI -> MOSI? Hi, Pardon for this rather basic question. But I just wanted to be sure. When I use AVRDude to program an ATMEGA via SPI using the USBAsp program, MOSI pin of... |
Friday, 2 January 2015 - 08:35 |
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Can tantalum capacitors be used instead of electrolytic ones? Hi, I am wondering if tantalum capacitors can be used instead electrolytic capacitors for the Vin and Vout of a power source? My power source is basically the USB... |
Monday, 29 December 2014 - 02:29 |
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Clock duty cycle Hi all, I am looking to make something fun with the MC6847, an old video display processor from Motorola. I browsed through its datasheet (http://people.ece.cornell.... |
Monday, 22 December 2014 - 19:38 |
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WinAVR reports a problem from the Makefile that is generated by Atmel Studio 4.19 Hi, I have the attached the generated makefile from Atmel Studio 4.19, but keep getting the below errors when I issue the make command from WinAVR, which I prefer to use.... |
Saturday, 20 December 2014 - 18:49 |