| Discussion Title | Created date |
|---|---|
|
New Mega0 tool I got really frustrated trying to assign pins for Mega4808/9. Less so with their smaller pin count compatriots. The ability to move (most) signals around made it far ... |
Monday, 3 January 2022 - 21:46 |
|
Megsa4809 - Hobson's Choice Its that old design conundrum, translated for the 48-pin Mega4890. 1. External 32.768 KHz crystal 2. Active /RESET 3. USART2 in SPI mode You can have any two but not... |
Tuesday, 28 December 2021 - 23:38 |
|
What Drives Optiboot? (M4809) I've searched through Optiboot threads here at Freaks and I've looked through the GitHub repository, without success. Here is the situation. Suppose that I actually sell... |
Tuesday, 28 December 2021 - 06:37 |
|
Mega4809 Package Puzzle ? Greetings Freaks -0 I've just been reviewing the physical package information for the ATmegs4809. I am hoping to lay out a smaller SMT footprint inside a larger SMT... |
Tuesday, 28 December 2021 - 06:24 |
|
Mega4809 & Bootloader ? Greetings, Freaks - Getting close to the "end" of system design on the upgrade of my accelerometer. Bootloader is one of the last pieces. I HAVE read the excellent threads... |
Thursday, 16 December 2021 - 18:53 |
|
Do Not Understand This Programming Style! Greetings - I was just reviewing Microchip's twi library originally written, I think (but possibly not), for Arduino. twi.h contains several struct definitions like... |
Wednesday, 24 November 2021 - 03:06 |
|
Synchronization of production hex/elf files? For those of you who in places that do their own programming in your "shop", how do you keep the programming hex/elf files synchronized with the current "release" from engineering... |
Saturday, 20 November 2021 - 02:20 |
|
Mega4809 Interrupts - a cautionary tale Greetings Freaks - This is yet another installment on the challenge of creating a gated tone burst to drive a beeper. Almost all of my AVR experience has been with Mega328... |
Friday, 12 November 2021 - 18:07 |
|
Gated (Burst) PWM on M4809 Greetings Freaks - This is yet another stab at creating a burst PWM signal to drive an electromagnetic buzzer. Earlier efforts were focussed on putting as much of this... |
Thursday, 11 November 2021 - 19:40 |
|
AVR128DAxx clock rate? Greetings Freaks-- Right now, I am looking at a just-downloaded copy of the AVR128DAxx devices spec sheet ( DS40002183C ). One thing that is pretty obvious is that there is... |
Monday, 8 November 2021 - 20:29 |
|
Mega328P/PB Stocks Nov 2021 Wow - Just looked at DigiKey and Mouser and MicrochipDirect. None of three has stock on the Mega328PB or Mega328P. DigiKey and Mouser have no forecast on delivery... |
Sunday, 7 November 2021 - 20:16 |
|
Troubleshooting ATmega0 CCL? Greets Freaks! Making my first try at using M4809 CCL. At first, it did not work, then I found a really stupid error (logic analyzer connected to wrong MCU pin - duhhh).... |
Tuesday, 2 November 2021 - 22:34 |