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ATmega4808/9 TWI: Address Packet Transmit Complete - Address not Acknowledged by Slave ? A TWI protocol question, please! In The megaAVR-0 series Family Data Sheet, 40002015C.pdf, Section 24.3.4.2.2, "Transmitting Address Packets", the case of an address packet... |
Wednesday, 19 February 2020 - 17:58 |
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How to make an "optimized-away" variable visible? Greetings - Continuing to lean on ATmega4809 Xplained Pro. But, now I have a problem. I have a function (a TWI function) that returns a status value. My... |
Wednesday, 19 February 2020 - 01:18 |
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Use of TWI on ATmega4809 Xplained Pro? This is closely related to the recent post Default F_CPU for "ATmega4809 Xplained Pro"?https://www.avrfreaks.net/forum/default-fcpu-atmega4809-xplained-pro But, this is... |
Friday, 14 February 2020 - 20:41 |
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Default F_CPU for "ATmega4809 Xplained Pro"? If this is just a matter of RTFM, then I apologize for not having read every word of the manual, because I have not. But, seems to me that this warrants at least some word in the... |
Friday, 14 February 2020 - 17:54 |
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My New Favorite Switching Power Supply IC LTC3531-3.3 - Mouser Product page is at https://www.mouser.com/ProductDe... Attributes: Buck-boost, 1.8V to 5.5V in, 3.3V out up to 200mA (200mA... |
Wednesday, 12 February 2020 - 20:05 |
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Keysight Instrument Giveaway Keysight, ex-HP: https://www.wavekeysight.com/en?... Scopes, RF test gear, power supplies. and much more. Jim |
Tuesday, 4 February 2020 - 22:28 |
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megaAVR-0 TWI IO config? Presume this also applies to tinyAVR-0/1 ... Two questions: 1) It appears that only TWI0 has alternate IO pins. Is this interpretation correct? In documentation on PORTMUX... |
Monday, 3 February 2020 - 19:15 |
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MACRO DEFINITION? In the following macro statement for tiny-0 & tiny-1 TWI baud rate register value, there is a "\" floating out at the end of the first line. #define TWI0_BAUD(F_SCL, T_RISE... |
Wednesday, 29 January 2020 - 22:55 |
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Peter Fleury I2C Library Greetings Was just checking on this library. On the GitHub repository, there is a link to his home page. On the home page, which is at http://homepage.hispeed.ch/... |
Monday, 27 January 2020 - 20:53 |
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How to get AS7 Device Packs? Greetings - This is really frustrating and does NOT bode well... I am trying to retrieve the device packs pertinent to Mega4808/9 so that I can start on XPlainedPro... |
Sunday, 19 January 2020 - 01:17 |
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Business Card Runs Linux! Via Jack Gannsle's "Embedded Muse" ("The Embedded Muse", Issue Number 389, January 6, 2020) We have an under-$1.50 ARM9 on a business card running linux. The MCU has 32Meg... |
Monday, 6 January 2020 - 17:52 |
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Mixed SPI/Async use? Greetings - This query is driven by a starting design using M4808/9 with multiple UARTs, but I think it is actually somewhat more general than that. I am looking at... |
Tuesday, 31 December 2019 - 18:32 |