PEF22827EL-V11 Lantiq, PEF22827EL-V11 Datasheet - Page 114

• Manufacturer Part Number: PEF22827EL-V11
• Manufacturer: Lantiq

Specifications of PEF22827EL-V11

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Table 37
downstream operation, with
Table 37
Parameter
Fast Channel Bytes (
must be a multiple of 4
Slow Channel Bytes (
Slow Bit Rate in Mbit/s
Interleaver Depth Index
Interleaver Block in Bytes (
Memory Allocation (
Total Memory for Interleaver and De-
interleaver in Bytes
Delay in s (
Erased Bytes (
Protection Time in s (
1)
Table 38
upstream operation, with
Table 38
Parameter
Fast Channel Bytes (
must be a multiple of 8
Slow Channel Bytes (
Slow Bit Rate in Mbit/s
Interleaver Depth Index
Interleaver Block in Bytes (
Memory Allocation (
Total Memory for Interleaver and De-
interleaver in Bytes
Delay in s (
Preliminary Data Sheet
Upstream memory allocation plus downstream memory allocation may not exceed 24 KB.
shows how to calculate protection provided by the interleaver for 21.6 Mbit/s
shows how to calculate protection provided by the interleaver for 9.99 Mbit/s
DL
DL
Protection Calculation Parameters, 21.6 Bit Rate, DS, S/4
Protection Calculation Parameters, 9.99 Bit Rate, Upstream, S/8
(page 1 of 2)
E
)
)
B
)
MEM
MEM
F
F
S
S
),
),
E
) 200
) 200
S
M
M
t
)
) in Bytes
) in Bytes
S
8. See also,
I
I
)
)
4. See also,
S
S
F
F
/ 4
/ 8
1)
1)
Parameter Values
0
200
9.99
13
25
3,900
7,800
6,246.25
Parameter Values
0
200
21.6
7
50
8,575
17,150
6,351.85
702
260
“Interleaving” on Page
114
“Interleaving” on Page
96
104
5.1948
13
13
1,014
2,028
3,123.12
4
196
21.168
7
49
8,232
16,464
6,222.22
688
260.0151 519.2593 519.2744
Operation – Digital Block
0
200
9.99
25
25
7,500
15,000
12,012.01 6,006.01
0
200
21.6
14
50
17,150
34,300
12,703.70 12,444.44
1402
63.
Rev. 1.1, 2005-01-30
63.
VDSL6100i
PEF 22827
96
104
5.1948
25
13
1,950
3,900
4
196
21.168
14
49
16,464
32,928
1374