
DSP Core Programming Model
HRW
HDS
In a single-strobe mode, a DS (data strobe) signal qualifies the access, while a R/W (Read-Write)
signal specifies the direction of the access.
Figure 6-13. Single-Strobe Mode
Data
Write Data In
HWR
Write Cycle
Data
Read Data Out
HRD
Read Cycle
In dual-strobe mode, separate HRD and HWR signals specify the access as a read or write
access, respectively.
Figure 6-14. Dual-Strobe Mode
DSP56311 User’s Manual, Rev. 2
Freescale Semiconductor
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