A-6
04/18/00
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Appendix A
PI7C7100
3-Port PCI Bridge
ADVANCE INFORMATION
Addr
Addr
B
B
Addr
Addr
Addr
B
B
B
Addr
Addr
Addr
B
B
B
Byte Enables
Data
Byte Enables
Data
Byte Enables
Data
Byte Enables
Data
Byte Enables
Data
Byte Enables
Data
Byte Enables
Data
Byte Enables
Data
Figure 8. Downstream Type1 to Type1 Configuration Write Transaction ( P --> S )
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44 45
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44 45
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
P_CLK
P_AD [31:0]
P_CBE [3:0]
P_FRAME_L
P_IRDY_L
P_TRDY_L
P_STOP_L
P_DEVSEL_L
P_IDSEL
S_CLKOUT[0]
S_AD[31:0]
S_CBE[3:0]
S_FRAME_L
S_IRDY_L
S_TRDY_L
S_STOP_L
S_DEVSEL_L
S_GNT_L
S_REQ_L
P_GNT_L
P_REQ_L
6
Byte Enables
Addr
Data
Data
Data Data Data Data Data Data
Addr
Addr
Addr
6
6
6
Byte Enables
6
Addr
Data
Data
Data Data Data Data Data Data
Figure 9. Upstream Delayed Burst Memory Read Transaction ( S --> P )
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44 45
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
46
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44 45
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
P_CLK
P_AD [31:0]
P_CBE [3:0]
P_FRAME_L
P_IRDY_L
P_TRDY_L
P_STOP_L
P_DEVSEL_L
S_CLKOUT[0]
S_AD[31:0]
S_CBE[3:0]
S_FRAME_L
S_IRDY_L
S_TRDY_L
S_STOP_L
S_DEVSEL_L
S_GNT_L
S_REQ_L
P_GNT_L
P_REQ_L
46
ByteEnables
ByteEnables
ByteEnables