Bit Bang SPI

John Guest #2133252
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Hi,

I am new to ARM development and will be using LPC1112 (Cortex-M0) to 
make a simple wav audio player. I know there is a SSP which can operate 
in SPI mode, but hopefully it can be used in TI SSI mode to interface 
with an I2S codec. The SPI is used to interface a SD card. How can I bit 
bang SPI on ARM? I couldn't find SPI bit bang code specifically for 
ARM/LPC111x. It is simply using bit bang code for AVR/8051/etc?

Thanks in advance,
John
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