PM7385 FREEDM-84A672
DATA SHEET
PMC-1990114
ISSUE 6
84 LINK, 672 CHANNEL FRAME ENGINE AND DATA LINK MANAGER
WITH ANY-PHY PACKET INTERFACE
SBI
SBI
TCAS
SBI
SBI
TCAS
Link
No.
SBI
SBI
TCAS
Link
No.
SPE Trib.
Link
No.
SPE Trib.
SPE Trib.
No.
1
No.
6
No.
2
No.
6
No.
3
No.
6
15
18
21
24
27
30
33
36
39
42
45
48
51
54
57
60
63
66
69
72
75
78
81
16
19
22
25
28
31
34
37
40
43
46
49
52
55
58
61
64
67
70
73
76
79
82
17
20
23
26
29
32
35
38
41
44
47
50
53
56
59
62
65
68
71
74
77
80
83
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
7
8
9
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
7
8
9
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
As shown in the table above, TCAS links 0, 1, and 2 are mapped to tributary 1 of
SPEs 1, 2 and 3 respectively. These links may be configured to operate at DS-3
rate. (They may also be configured to output data to the TD outputs at rates up
to 51.84 Mbps.) For each of these high-speed links, the TCAS672 provides a six
byte FIFO. For the remaining links (TCAS links 3 to 83, mapped to tributaries 2
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
56
PMC [ PMC-SIERRA, INC ]
