PEF22827EL-V11 Lantiq, PEF22827EL-V11 Datasheet - Page 228

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

Specifications of PEF22827EL-V11

• Lead Free Status / RoHS Status: Supplier Unconfirmed

10.13.3
The BPCNTL1, BPCNTL2, and
contain parameters that control back pressure and inter packet gap (IPG) handling.
BPCNTL2
MII Back Pressure Control Register 2(8D42
Field
PATTERN_LE
NGTH
BP_IPG_LEN
GTH
IPG_LENGTH 2:0
Preliminary Data Sheet
PATTERN_LENGTH
7
rw
MII Back Pressure Control Register 2 (BPCNTL2)
6
Bits Typ
7:6
5:3
e
rw
rw
rw
5
Description
Length of Continuous Back Pressure Preamble Before
Insertion of an IPG
00
01
00
11
Length of the IPG Inserted into Continuous Back
Pressure Preamble
Calculated as: 16
000
001
010
011
100
101
110
111
Normal Operation IPG Length
000
001
010
011
100
101
110
111
BP_IPG_LENGTH
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
BPCNTL3
12 kbit times
28 kbit times
36 kbit times
53 kbit times
16 kbit times
32 kbit times
48 kbit times
64 kbit times
80 kbit times
96 kbit times
112 kbit times
128 kbit times
20 kbit times
32 kbit times
48 kbit times
64 kbit times
80 kbit times
96 kbit times
112 kbit times
128 kbit times
rw
4
228
H
registers at 8D41
)
(BP_IPG_LENGTH
3
2
H
IPG_LENGTH
:8D43
Rev. 1.1, 2005-01-30
Reset Value: CD
rw
1) bit times.
1
H
, respectively,
VDSL6100i
PEF 22827
0
H