SMJ320C6414 Datasheet, PDF (110/133 Pages) Texas Instruments – FIXED-POINT DIGITAL SIGNAL PROCESSORS

SMJ320C6414, SMJ320C6415, SMJ320C6416
FIXEDĆPOINT DIGITAL SIGNAL PROCESSORS
SGUS050A − JANUARY 2004 − REVISED MARCH 2004
HOST-PORT INTERFACE (HPI) TIMING (CONTINUED)
HAS
1
HCNTL[1:0]
1
HR/W
1
HHWIL
HSTROBE†
2
2
2
3
1
2
1
2
1
2
3
4
HCS
HD[15:0] (input)
12
12
13
13
1st half-word
2nd half-word
6
14
HRDY
† _{HSTROBE refers to the following logical operation on HCS, HDS1, and HDS2: [NOT(HDS1 XOR HDS2)] OR HCS.}
Figure 41. HPI16 Write Timing (HAS Not Used, Tied High)
19
HAS†
11
10
HCNTL[1:0]
19
11
10
11
10
HR/W
11
10
11
10
HHWIL
11
10
3
4
HSTROBE‡
18
18
HCS
12
13
12
13
HD[15:0] (input)
HRDY
1st half-word
6
14
2nd half-word
† _{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 42. HPI16 Write Timing (HAS Used)
110
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