SPI driver for general 8051

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i used to use the at89s8252's SPI driver to develop some uC application.
for lowing the production cost and the availiability. i want to use the
at89c51 instead of AT89s8252.
however, there are any C code SPI driver for AT89c51/52?
pls help and thx in advance.

Regards,

Raymond




Re: SPI driver for general 8051


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there is a new AT89S52 coming out.
rw..


Re: SPI driver for general 8051

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Master or slave?

The differenve is in the timing. A master can control the timing itself, so
a simple software bit-banger will do. A slave has to accept the timing the
master chooses, which pretty often forces to hardware shift register
solutions.

Tauno Voipio
tauno voipio @ iki fi



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