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20MHz Oscillator noise
I am using a FOX F1100e 0614 20 MHz Oscillator , the stk500 and a mega48. Working on the USART, With my scope probe connected to only ground I get a huge 20MHz signal. Scope is a...
Saturday, 7 October 2006 - 13:49
Mega48 PortB6 XTAL vs PortE XT1 external clock OSC
The external clock is running fine but I don't understand something. I have a Mega48 in the Stk500 running a 20MHZ external OSC. The clock is connected to PortE XT1. Typically I...
Tuesday, 3 October 2006 - 08:18
FM24C64 I2C Data is not what was written
I am trying to get this FRAM memory to work but I do not have any luck getting an ACK. Attached scope output Link to datasheet: RAMTRON chips http://www.datasheetcatalog.com/...
Monday, 11 September 2006 - 01:43
Prescaler & CLKO
I am playing around with clock oscillator modules this one is 1MHZ used as input to PB3 CLKI on a tiny45. In the program I devide by 32, the fuse is set to output clock on PB4 The...
Friday, 25 August 2006 - 00:52
Why is this code in simulator not working
I have been learning how to program the Parallax SX28 chip and it seems after 2 weeks I have lost most of my skill at programming Atmel chips. Anyway I am working on a design...
Tuesday, 22 August 2006 - 04:17
Multithreaded code on tiny13
I am working on a project where I use a tiny13 to controll three LED's . I want to send commands on one wire to many tiny13's over 20 feet of wire. I could use some help on the...
Friday, 4 August 2006 - 06:14
Assembler Code Do's and Dont's
After reading the question on tutorials on branching instructions, I learned a bit about the T bit, no pun intended. I have a few questions for the programmers using Assembler. I...
Thursday, 3 August 2006 - 05:31
Tiny13VPI & VPU +Stk500 bug?
I was fiddeling around with the fuses and decided to try a brownout level other than disabled. Using a loop to make a square wave on my scope I noticed long pauses and realized...
Sunday, 30 July 2006 - 07:34
1wire Serial Voltage
I am trying to use the TinyLoader/B r1.0 I have connected the Com2 port as shown in the schematic. 1. The document says 4k7 resistor .. I assume 47K 2. The document says to use a...
Saturday, 29 July 2006 - 01:08
Fab House recommendations
I have 14 boards 15up that need surface mounted parts attached. I took the advice from another thread and bought the microdot solder paste unit. It works great but as much fun as...
Saturday, 22 July 2006 - 15:52
Tiny Adaptor Boards (may be off topic)
Well it is I spose but ATMEL has lots of surfacce mount devices that could use adaptor boards for prototyping. So... I am doing dome production boards and I have a small 1 x 1...
Thursday, 20 July 2006 - 14:52
8-SOIC .015 or .0209 How do you spec.
I just spent 60 bucks on a 8-SOIC .015 to 8 pin DIP and I find out I have the 8-SOIC .0209 ATMEL part. Problem is when I reorder ATMEL parts from DIGIKEY how do I know if I will...
Tuesday, 18 July 2006 - 23:11

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