SMJ320C6701 Datasheet, PDF (47/62 Pages) Texas Instruments – FLOATING-POINT DIGITAL SIGNAL PROCESSOR

SMJ320C6701
FLOATING-POINT DIGITAL SIGNAL PROCESSOR
HOST-PORT INTERFACE TIMING (CONTINUED)
SGUS030 – APRIL 2000
HAS
1
HCNTL[1:0]
1
HR/W
1
HHWIL
HSTROBE†
2
2
2
3
1
2
1
2
1
2
4
HCS
HD[15:0] (output)
15
15
7
9
16
9
5
HRDY (case 1)
1st half-word
8
2nd half-word
17
5
6
8
HRDY (case 2)
5
17
† _{HSTROBE refers to the following logical operation on HCS, HDS1, and HDS2: [NOT(HDS1 XOR HDS2)] OR HCS.}
Figure 27. HPI Read Timing (HAS Not Used, Tied High)
HAS
19
10
11
HCNTL[1:0]
19
10
11
10
HR/W
10
HHWIL
HSTROBE†
HCS
11
11
3
18
11
10
11
10
4
18
15
15
7
9
16
9
HD[15:0] (output)
5
1st half-word
8
2nd half-word
17
5
HRDY (case 1)
6
8
17
5
HRDY (case 2)
† _{HSTROBE refers to the following logical operation on HCS, HDS1, and HDS2: [NOT(HDS1 XOR HDS2)] OR HCS.}
Figure 28. HPI Read Timing (HAS Used)
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