AM1810_15 Datasheet, PDF (215/262 Pages) Texas Instruments – AM1810 ARM® Microprocessor For PROFIBUS

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AM1810
SPRS709D – NOVEMBER 2010 – REVISED MARCH 2014
UHPI_HAS^(A)
17
9
10
UHPI_HCNTL[1:0]
17
9
10
9
UHPI_HR/W
9
UHPI_HHWIL
UHPI_HSTROBE^(B)
UHPI_HCS
10
10
3
16
10
9
10
9
4
16
6
UHPI_HD[15:0]
14
14
8
15
8
(output)
UHPI_HRDY
1st half-word
5a
2nd half-word
7
A. For correct operation, strobe the UHPI_HAS signal only once per UHPI_HSTROBE active cycle.
B. UHPI_HSTROBE refers to the following logical operation on UHPI_HCS, UHPI_HDS1, and UHPI_HDS2:
[NOT(UHPI_HDS1 XOR UHPI_HDS2)] OR UHPI_HCS.
Figure 6-66. UHPI Read Timing (HAS Used)
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