Description: Use C8051F speed SPI interface to read the data on the SD card. Furthermore the use of DA decoding chip. Because it is current-DA, with resistance to get voltage. In order to prevent rear-Z interference, so. Do a simple voltage follower. Finally filtered DC
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File list (Check if you may need any files):
WAV(第一版)\adc.c
...........\adc.h
...........\C8051F330.h
...........\dac.c
...........\dac.h
...........\dac.LST
...........\dac.OBJ
...........\globle.h
...........\main.c
...........\main.LST
...........\main.OBJ
...........\sd.c
...........\sd.h
...........\sd.LST
...........\sd.OBJ
...........\SD_WAV
...........\SD_WAV.hex
...........\SD_WAV.M51
...........\SD_WAV.Opt
...........\SD_WAV.plg
...........\SD_WAV.Uv2
...........\SD_WAV_Opt.Bak
...........\SD_WAV_Uv2.Bak
...........\spi.c
...........\spi.h
...........\spi.LST
...........\spi.OBJ
...........\STARTUP.A51
...........\STARTUP.lst
...........\STARTUP.obj
...........\uart.c
...........\uart.h
...........\uart.LST
...........\uart.OBJ
WAV(第一版)
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