參數(shù)資料
型號: IDT88K8483BRI
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 110/162頁
文件大?。?/td> 0K
描述: IC SPI-4 EXCHANGE 3PORT 672-BGA
標準包裝: 24
系列: *
其它名稱: 88K8483BRI
51 of 162
October 20, 2006
IDT IDT88K8483
OBC extract
The OBC extract process also works in the same way. The OBC extract FIFO can hold up to 256 bytes of data. The registers used in this process
for the extract process is as follows
Begin:
if {result = 0} return // result = 0Indicates that the OBC extract FIFO is empty
else
Read 39
set EOP=result && 0x01 // the first bit of the first byte read indicates whether packet in the extract FIFO is>256 bytes.
Read PFP T-M extract data register (Register Offset=0x3) (p. 97) // The second byte gives the LID info
Read PFP T-M extract data register (Register Offset=0x3) (p. 97) // The 3rd byte gives the length of the packet stored in the FIFO
for {i=0} {i<length} {i++} {
Read PFP T-M extract data register (Register Offset=0x3) (p. 97) // Read the packet data till the length specified
}
write 0x0 to PFP T-M extract control register (Register Offset=0x2) (p. 97) // to clear the extract FIFO.
if {EOP != 1} goto Begin
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