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Simple Way to Check Wire Continuity
Please note that this subject may interest some members only. And I am not sure if what I present here is new or not.   Lately, I had to check the continuity of each wire of...
Wednesday, 27 February 2019 - 23:16
Parallel Programming Procedure of ATmega328P
On the datasheet of ATmega8, there is a section for “Parallel Programming”. This section is not provided on the datasheets of ATmega328P that I downloaded lately. Do you think the...
Wednesday, 31 October 2018 - 14:02
To graduate students in telecommunications
I am just curious to know if, at the today’s universities, the following statement is still valid. "Demodulating a single side-band suppressed carrier signal (SSB-SC) is much...
Sunday, 21 October 2018 - 11:17
MCU EEPROM and Lock Bits
Just to be sure, isn’t true that it is not possible locking the MCU flash memory (of code) without locking with it the internal EEPROM? In other words, it is not possible reading...
Wednesday, 25 July 2018 - 16:00
0-5999 to 0-99h:59m
Lately, I needed to convert 0-5999 to 0-99h:59m. The operation requires a division by 60; the dividend in minutes, the result in hours and the remainder in minutes. Instead of...
Saturday, 21 July 2018 - 00:24
Channel Bandwidth and Bit Rate
If we like transmitting digital data [0,1] thru a voice channel (as 300 to 3300 Hz), could the bit rate be made close to the bandwidth upper limit?   I am working on it by...
Thursday, 23 November 2017 - 00:36
Warning of redefining a register
I have ATmega8 and I write its codes in assembly only using AS6.2 SP1.   I agree that, in case a register is redefined, the warning is useful in general; it...
Thursday, 28 September 2017 - 14:23
TWI: General call 0000000 for read
I have two ATmega8 MCUs. The first one, the TWI master, is on an inverter board. The second one, the TWI slave, is on a meter board (measuring the battery voltage and...
Wednesday, 13 September 2017 - 15:28
OC1A, OC1B and synchronization
I have ATmega8. I need generating two synchronized PWM signals at pins OC1A and OC1B; having the same frequency and duty cycle. Actually, the output signal at one pin is the...
Monday, 28 August 2017 - 21:40
ATmega8A instructions .lds and .sts versus lds and sts
On a list file, *.lss, generated by AS6, one can notice the following lines:   "ATmega8A" instruction use summary: .lds  :   0 .sts  :   0 adc...
Tuesday, 15 August 2017 - 13:29
Bits of I/O registers as user’s flags
I have ATmega8 I write my MCU firmware in assembly. I usually use the bits of r25 and r24 as flags.   In my last program, UART protocol wasn’t used and I kept it inactive. I...
Wednesday, 10 August 2016 - 13:10
Side effect of RETI?
I mean what could be the possible undesired/unexpected side effect of calling an interrupt service routine by RCALL?   Thank you.
Sunday, 26 June 2016 - 15:26