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Parallel controller reading all zero's Hi All I am trying to use the parallel capture mode on an SAM4SD32C micro controller and its reading zeros all the time. The parallel controller is supposed to send the... |
Sunday, 28 November 2021 - 12:47 |
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SAM4SD32C TWI1 write, writes additional byte. Hi All I am trying to get the TWI1 peripheral to work. The problem is that when i write the data into the TWI_THR (Transmit holding register) the start condition gets... |
Sunday, 14 November 2021 - 04:11 |
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Why can you no use bit manipulation on PORTx but you can on VPORTx Hi All Firstly sorry if this is a dumb question. I am trying to figure out why the datasheet of the ATMega4809 says that you cannot use bit manupulation instructions ... |
Thursday, 11 November 2021 - 10:02 |
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SAM4S32C Timer Maximum frequency Hi All I am learning the timer system of the SAM4S32C and i am running the TC0 timer as fast as it can go (i think) while it outputs the square wave on PINA0. On measuring... |
Sunday, 7 November 2021 - 23:36 |
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How to route timer toggle to output pin I am using the SAM4s32C Xplained Pro board and I need to output a 48MHz clock to a pin to drive a camera. I have got the TC0 timer working with interrupts but if I use... |
Sunday, 7 November 2021 - 01:48 |
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Driving GPIO pins fast Hi All Someone once told me its dangerous to toggle pins really fast and never elaborated why. I've thought about this for a while but I am not sure why it will be... |
Friday, 5 November 2021 - 20:56 |
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ATMega4809 TWI start condition sends additional 8 clock signals I am trying to read a simple i2C temperature sensor. I can write to the sensors registers no problem and I receive all the ACK's as expected. The problem comes in when I try to... |
Sunday, 23 May 2021 - 09:04 |
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FATFS overwriting data and writing duplicates Hi All I have a problem I cannot pinpoint with the use of FATFS (I think). The project goes like this: -Read the time and date from a real time clock,... |
Monday, 10 May 2021 - 21:52 |
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Is TWI BAUD register allowed to be set to ZERO? Hi All, I am using an ATMega4809 running at 10MHz to communicate with an i2c device. I have the protocol working and there are no issues however I realized when I slowed the F_CPU... |
Monday, 12 April 2021 - 06:35 |
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SD card to USB Bridge? Hi all I cannot find an answer anywhere so I wonder if anyone could help. I am looking for an atmel ic that can bridge an SD card to USB. I have and SD card that has a data.csv... |
Sunday, 7 March 2021 - 19:38 |
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MCP73833 LI-ION Charger acting strange Hi Guys I am trying to get a MCP73833 working however it seems to be acting strange. I have two versions wired up identically however the PCB layouts are ... |
Thursday, 8 October 2020 - 17:45 |
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Watchdog set sequence confusion Hi All In the atmega328pb data sheet it gives a timed sequence to change the watchdog timer. There is one point i do not understand it seems as my watchdog generates resets... |
Friday, 28 August 2020 - 05:15 |