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ToF sensor
thanks for shedding some light on subject :D
Friday, 13 December 2019 - 09:25
Atmega3209 Power down mode
update: today i soldered on new atmegas3209 i just received aaaand they work just fine at below 2 uA. So i guess the ones i have in stock must have gotten damaged at one point in...
Friday, 18 October 2019 - 07:47
Atmega3209 Power down mode
- Decoupling caps, are a little bit far from the mcu. - will move them closer. - Traces for V+make it a little bit bigger.  -You mean wider, right? Will do. - I think you are...
Thursday, 17 October 2019 - 12:39
Atmega3209 Power down mode
Ok i fixed it. I unsodlered Atmega3209 and sodlerend on another one from different order(there was like 1 week apart between orders) and consumption was same. Now i removed...
Thursday, 17 October 2019 - 11:10
Atmega3209 Power down mode
Ok now i did same circuit i have on my PCB on breadboard and DIP Atmega4809 and it works perfectly with below 2uA current draw in Power down mode. Could it be that my Atmega3209s...
Thursday, 17 October 2019 - 09:19
Atmega3209 Power down mode
Yes i noticed that instantly. When Atmel ICE is connected it draws around 100 uA. But now if same software on my PCB draws 115 uA in Power down mode and 2 uA on Xplained board, im...
Thursday, 17 October 2019 - 09:05
Atmega3209 Power down mode
Ok, NOW i am completely lost. 10 min ago i received my 4809 Xplained Pro board and i am measuring current on the VCC-TARGET to VCC-MCU jumper and with my Software in sleep mode is...
Thursday, 17 October 2019 - 08:53
Atmega3209 Power down mode
Kaba thanks a loooot for your work. Now i see something must be wrong with my code. I will write my program again, but this time without atmel start configurator and i hope that...
Thursday, 17 October 2019 - 08:37
Atmega3209 Power down mode
Ok measurements done, got pretty much same measurement via shunt with a scope, measured with 10, 30 and 50 Ohm shunt, 108,6/108,4/108,4 uA, so my multimeter is 10 uA off the...
Tuesday, 15 October 2019 - 08:46
Atmega3209 Power down mode
Ok, i have some 10 Ohms SMD 0.1% shunt resistors from another project, will solder that one and check with scope and let you know results in half an hour or so. Actually ill...
Tuesday, 15 October 2019 - 07:56
Atmega3209 Power down mode
With multimeter, Voltcraft VC850, at 000.0 uA resolution.
Tuesday, 15 October 2019 - 07:46
Atmega3209 Power down mode
No, the prescaler is at 4 now.   ccp_write_io((void *)&(CLKCTRL.MCLKCTRLB), CLKCTRL_PDIV_4X_gc /* 4 */ | 1 << CLKCTRL_PEN_bp /*...
Tuesday, 15 October 2019 - 07:38