Motorola TMS320C6711D warranty HR/W Hhwil Hstrobe † HCS, Has †, HR/W Hhwil Hstrobe ‡ HCS

Models: TMS320C6711D

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SPRS292 − OCTOBER 2005

HOST-PORT INTERFACE TIMING (CONTINUED)

HAS

 

 

 

1

 

1

2

 

 

2

 

 

 

 

HCNTL[1:0]

 

 

 

 

 

1

2

 

 

1

2

 

 

 

 

HR/W

 

 

 

 

 

1

2

 

 

1

2

 

 

 

 

HHWIL

 

 

 

 

 

 

3

 

 

4

3

HSTROBE

 

 

 

 

 

 

 

 

HCS

 

 

 

 

 

 

 

15

 

 

15

 

7

9

 

16

9

HD[15:0] (output)

 

 

 

 

 

5

1st halfword

 

8

2nd halfword

5

 

 

 

17

HRDY (case 1)

 

 

 

 

 

 

 

 

 

 

6

 

8

 

5

 

 

 

17

HRDY (case 2)

 

 

 

 

 

 

 

 

 

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

Figure 42. HPI Read Timing (HAS Not Used, Tied High)

HAS

 

 

 

 

 

10

19

 

 

19

 

11

 

10

11

 

 

 

 

 

 

 

 

HCNTL[1:0]

 

 

 

 

 

10

11

 

10

11

 

 

 

 

 

HR/W

 

 

 

 

 

 

11

 

 

11

 

10

 

10

 

 

 

 

 

 

HHWIL

 

 

 

 

 

 

3

 

4

 

 

HSTROBE

 

 

 

 

 

 

18

 

 

HCS

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

 

15

7

 

9

16

9

 

HD[15:0] (output)

 

 

 

 

 

5

1st half-word

8

2nd half-word

17

5

 

 

HRDY (case 1)

 

 

 

 

 

 

 

8

 

17

5

HRDY (case 2)

 

 

 

 

 

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 43. HPI Read Timing (HAS Used)

POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443

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Page 89
Image 89
Motorola TMS320C6711D warranty HR/W Hhwil Hstrobe † HCS, Has †, HR/W Hhwil Hstrobe ‡ HCS