Texas-instruments TMS320C6454 Instrukcja Użytkownika Pobierz pdf (Strona 174)

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PRODUCT PREVIEW

HCS (input)

HAS (input)

HSTROBE

(A)

(input)

HR/W (input)

HRDY

(B)

(output)

HD[31:0] (output)

HCNTL[1:0] (input)

TMS320C6454

Fixed-Point Digital Signal Processor

SPRS311A – APRIL 2006 – REVISED DECEMBER 2006

A. HSTROBE refers to the following logical operation on HCS, HDS1, and HDS2: [NOT( HDS1 XOR HDS2)] OR HCS.

B. Depending on the type of write or read operation (HPID without auto-incrementing; HPIA, HPIC, or HPID with

auto-incrementing) and the state of the FIFO, transitions on HRDY may or may not occur. For more detailed

information on the HPI peripheral, see the TMS320C645x DSP Host Port Interface (HPI) User's Guide (literature

number SPRU969 ).

Figure 7-49. HPI32 Read Timing ( HAS Used)

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Texas-instruments TMS320C6454 Instrukcja Użytkownika Strona 174