文件名称:mp3sources
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I ve never managed to get the Mega128 TWI (two wire interface,
also called I2C) interface working totally satisfactorily. It seems
to require some \"magic numbers\" I suspect it does some wierd
clocking tricks which results in strange waveforms with certain
settings. Just a suspicion, as I don t have a digital scope so I cannot
verify anything. And it s possible that the STA013 is very picky
about its I2C parameters, although I view this as less likely.
Nonetheless the current TWI parameters do work reliably. I don t consider
them optimal (I d like it faster) but if you want to play with
the TWI interface, be warned, it s extremely easy to break it.
Not an issue per-se just a warning.
also called I2C) interface working totally satisfactorily. It seems
to require some \"magic numbers\" I suspect it does some wierd
clocking tricks which results in strange waveforms with certain
settings. Just a suspicion, as I don t have a digital scope so I cannot
verify anything. And it s possible that the STA013 is very picky
about its I2C parameters, although I view this as less likely.
Nonetheless the current TWI parameters do work reliably. I don t consider
them optimal (I d like it faster) but if you want to play with
the TWI interface, be warned, it s extremely easy to break it.
Not an issue per-se just a warning.
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下载文件列表
压缩包 : 87361042mp3sources.zip 列表 backup.bat fat32.s frankasm.h frankmp3.c frankmp3.h frankmp3.hex fvhmp3c.h ide.s issues.txt makefile mp3init.c mp3menus.c mp3pc.c mp3srial.c queues.s readme.txt serial.s sta-init.c