Network Router User Manual

HCS
HAS
HSTRB
HR/W
HCNTL[1:0]
HRDY
A
HHWIL
Data 1 Data 2
HD[15:0]
Internal
HPI latches
control information
HPI latches
data
HPI latches
control information
HPI latches
data
www.ti.com HPI Operation
Figure 8. 16-Bit Multiplexed Mode Host Write Cycle Using HAS
A Depending on the type of write operation (HPID without autoincrementing, HPIA, HPIC, or HPID with
autoincrementing) and the state of the FIFO, transitions on HRDY may or may not occur. For more information, see
Section 3.9.
19
SPRUGK7A–March 2009–Revised July 2010 Host Port Interface (HPI)
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