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I can't find the audioplayback.pdf at Sandisk's site. I had downloaded but i should find it somewhere in my PC :) . If you do really want this file tell me. I will try more to find it and send it to you by email
you can try two very good Basic Compilers which they are pretty much the same.
Bascom AVR www.mcselec.com and
FASTAVR www.fastavr.com
If you are not very familiar with assembly try using those compilers and you will find them very useful. The fact is that if you use assembly you can do...
I think that the bits are coded using differential Manchester technique. You should search for a decoder of differential Mancester. It is not a difficult circuit, as i can remember. It constist of two or three flip-flops. But i can't help you more. I searched my old notes but nothing. Try the net
sta013 bascom
Try Bascom from www.mcselec.com. It's a basic compiler and it includes commands for communication with compact flash and commands for managing fat 16 file system
i think that 8bit MCUs will be No1 for many many years. I don't think that more than 8bits are needed at MCU level.
8051 of intel is an example. Even now, many companies are producing chips with 8051 architecture (Atmel, Dallas, etc)
AVR series of ATMEL is another example.
And of cource PIC...
you can use BASCOM which is a basic compiler for AVR microcontrollers. It supports commands to communicate with a compact flash and also commands to handle a fat16 file system
https://www.mcselec.com/an_123.htm
https://www.mcselec.com/an_127.htm
and source code for an_127.htm from...
i think that it is not very easy but not very difficult to build your own card that is connected at the XT bus of a common PC. XT bus is the half of the ISA bus. If you PC has ISA bus you can connect it there
You can find information at
http://www.geocities.com/fishziblu/ISA8255.html
OR...
cf serial interface
I think that compact flash can not connect serially using UART. As far as i am concerned the Multimedia Cards and not compact flash cards do have serial interface (SPI) which is not quite compatible with UART interface.
What DO you want to use: Compact flash or MMC?
If you...
switching power supply schematic
Why don't you try a single chip solution like max638 from maxim?
**broken link removed**
Maxim has many chips like this, depending on the current you wish
There is no need to invent wheel from the beggining. Try something ready to use :)
Aurel
There are modules (receiver and transmiter) from AUREL working at about 430MHz and are suitable for about 50m. If you need bigger distance, i can search for you but let me know.
At the side of PC you will need to convert RS232 signal to TTL signal before applying it to this module and...
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