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TMS320DM641 Datasheet(PDF) 134 Page - Texas Instruments

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Part # TMS320DM641
Description  Video/Imaging Fixed-Point Digital Signal Processors
PDF  171 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMS320DM641 Datasheet(HTML) 134 Page - Texas Instruments

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Host-Port Interface (HPI) [DM641 Only]
134
June 2003 − Revised August 2004
SPRS222C
HAS†
HCNTL[1:0]
HR/W
HHWIL
HSTROBE‡
HCS
HD[15:0] (output)
HRDY
1st half-word
2nd half-word
8
6
15
9
16
15
9
7
4
3
11
10
11
10
11
10
11
10
11
10
11
10
19
19
18
18
† For correct operation, strobe the HAS signal only once per HSTROBE active cycle.
‡ HSTROBE refers to the following logical operation on HCS, HDS1, and HDS2: [NOT(HDS1 XOR HDS2)] OR HCS.
Figure 4−39. HPI16 Read Timing (HAS Used) [DM641 Only]
1st half-word
2nd half-word
13
12
13
12
4
14
3
2
1
2
1
2
1
2
1
2
1
2
1
HAS
HCNTL[1:0]
HR/W
HHWIL
HSTROBE†
HCS
HD[15:0] (input)
HRDY
3
6
† HSTROBE refers to the following logical operation on HCS, HDS1, and HDS2: [NOT(HDS1 XOR HDS2)] OR HCS.
Figure 4−40. HPI16 Write Timing (HAS Not Used, Tied High) [DM641 Only]



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