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TMS320F28P650DH: TMS320F28P65 spi slave

Part Number: TMS320F28P650DH
Other Parts Discussed in Thread: C2000WARE

Tool/software:

TMS320F28P65 spi slave isr

i build spi master no isr,spi slave isr fifo 13 word(16bit)

config board.c

isr code

tx send 0x1231~123d

run first ;the stSlaveSpiClaR.w=0x00

the correct in the 2nd

master data add 1

why first time can't got correct data?