ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢆꢇ ꢈ ꢉꢈ ꢀꢊ ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢆꢇ ꢈ ꢉꢋ ꢀꢊ ꢀ ꢁꢂ ꢃ ꢄꢅ ꢆꢇ ꢈꢉ ꢇꢀ
ꢌ ꢍꢎ ꢏꢐꢑꢒꢓ ꢍ ꢔꢀ ꢐꢍ ꢕꢍ ꢀꢖꢗ ꢂꢍ ꢕ ꢔꢖꢗ ꢒꢘ ꢓ ꢆꢏ ꢂ ꢂꢓ ꢘ ꢂ
SPRS226H − NOVEMBER 2003 − REVISED AUGUST 2005
HOST-PORT INTERFACE (HPI) TIMING (CONTINUED)
HAS
HCNTL[1:0]
HR/W
1
1
2
2
2
2
2
2
3
1
1
1
1
HHWIL
3
4
†
HSTROBE
HCS
12
12
13
2nd half-word
13
HD[15:0] (input)
1st 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
11
19
†
HAS
11
11
11
10
10
10
10
10
10
HCNTL[1:0]
HR/W
11
11
HHWIL
3
4
‡
HSTROBE
18
12
18
HCS
12
13
13
HD[15:0] (input)
1st half-word
2nd half-word
6
14
HRDY
†
‡
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)
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