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Internal Calibrated Clock of ATtiny2313A and UART
I want to create a RS485 half-duplex two-wires master-slave network. The baudrate is 9600bps. The master is a board with ATmega32A clocked with an external crystal at 6.0MHz. The...
Monday, 2 December 2013 - 22:33
ATtiny2313A: serial programming problems with JTAGICE3
I checked many times the 6 signals and connections: MISO, MOSI, +5V, GND, SCK and nRESET and they seem correct. With oscilloscope I can see square pulses on nRESET, MOSI and SCK,...
Saturday, 30 November 2013 - 10:39
16-bit registers access in one clock time
I will use ATtiny2313A and I'm going to configure Timer/Counter1 for timing purposes. I read the datasheet and the trick to read/write 16-bit registers (like TCNT1) in a clock...
Tuesday, 19 November 2013 - 14:32
Fuses definitions are wrong in iotn2313a.h
I have AVR8 GCC version installed together Atmel Studio 6 version 6.1.2674 - Service Pack 1. I'm creating a project for ATtiny2313A device and I'm defining fuses in C...
Saturday, 16 November 2013 - 10:02
Problem customizing fonts & colors in AtmelStudio 6
I'd like to have a dark background while writing source code, so I tried to change fonts&colors layout in AtmelStudio 6. The interface let the user to change all the objects...
Saturday, 12 October 2013 - 09:47
Atomic read
I have a volatile unsigned int counter that is incremented inside the ISR of a timer match. I want to access this variable in normal code (not ISR) and compare it with other local...
Tuesday, 11 June 2013 - 14:56
Atomic word (two bytes) load
I'd like to have a 16-bits counter that is incremented in a timer overflow/match ISR every 10ms. During normal code (not ISR) I want to read this 16-bits counter and compare it...
Tuesday, 11 June 2013 - 13:57
JTAGICE RS232-only clone compatibility with AVR Studio 5/6
I have AVR Studio 4.19 installed and it is compatible with an old JTAGICE clone (no MKII) with RS232 only connection (no USB). I'd like to use new AVR Studio versions (5 or 6),...
Tuesday, 4 June 2013 - 07:40