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Recommend an AVR for this...
I'm not so familiar with all the latest ones, but I've got a very small project I'm thinking about.   Probably going to run it off of a CR2032. Timing/clock accuracy not...
Monday, 21 September 2020 - 22:50
Less intensive checksum..
Using an atmega1284p @ 18.432 Mhz to be a go between a PC parallel port and a microSD card.  My goal is to be able to read/write files to the microsd via PC parallel port....
Friday, 11 September 2020 - 02:26
Has anyone ever damaged a reset pin by omitting the diode?
I put one in everything I design, but I wonder, is it really necessary.  When is the last time one without this died?  And if it does fail from not having a diode, what...
Wednesday, 2 September 2020 - 16:58
WTG: One Autoprogrammer ISP/PDI
It has been awhile since I've done a giveaway, so up for giveaway is a single Autoprogrammer 256K!   Simply post an "I'm in" in this thread (double quotes not required!) and...
Tuesday, 18 August 2020 - 15:07
Why does it include debug info for one C file but not another?
I'm using release, but under AVR/GNU C Compiler/Debugging I have Active (Release) set to Default (-g2).   What is interesting is that in one C file it shows the C lines: int...
Saturday, 30 May 2020 - 16:53
Best way to round up a value to a block/page size...
I've been writing a small FAT-8 type filesystem for something and one of the things I need to do is round a size up to a cluster size for example.  Say a cluster size of 512...
Friday, 29 May 2020 - 04:18
Do you see any areas of improvement here?
I finally got some code written for this last night.  I'm messing around with the idea of making a processor trainer emulator like they had in the 1970's like the SDK-85....
Thursday, 21 May 2020 - 12:55
New SAM user questions...
I've worked with AVR's, but I've got a SAMD20J18A on a dev board that I'm just beginning to mess with.  I reinstalled my Atmel Studio 7 to include the platform.  ...
Thursday, 7 May 2020 - 21:15
static inline does not inline, but just inline does in AS7
I've been writing my first emulator code which has been a learning adventure.  I have an execute function that uses a switch for each opcode.  Then each opcode calls an...
Thursday, 7 May 2020 - 17:00
Does the parametric search show EBI capable AVR's?
I've tried looking through its list of options, but don't see one that pertains to EBI (external memory).  Does Microchip call it something else or is it not on the search?...
Saturday, 2 May 2020 - 19:55
Compiler optimization between different CPU widths...
I am working on making my first emulator of something, the Intel 8080.  I am just in the beginning stages and am doing this just for entertainment and educational use right...
Sunday, 26 April 2020 - 16:59
Easy/decent way to get 64K of SRAM available in an AVR
I'm thinking about trying to emulate an 8080 in an AVR, but the largest one I know of has 32K sram (xmega384c3).  I've tried messing with external bus interface memory, and I...
Friday, 24 April 2020 - 20:17

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