PEF22827EL-V11 Lantiq, PEF22827EL-V11 Datasheet - Page 61

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

Specifications of PEF22827EL-V11

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Notch filter registers insert a notch into the transmission frequency band. This prevents
interference with other systems (amateur radio) that use narrow band transmission in the
VDSL frequency band.
registers for 38.88 MHz for different ham radio bands, and their locations in EEPROM.
Note: After changing values in EEPROM, issue a WR 8F00 02 command to apply the
Table 21
Notch
Register
Name
NTCHA1_L
NTCHA2_L
NTCHA_H
NTCHB_L
NTCHB_H
1)
Table 22
Notch
Register
Name
NTCHA1_L
NTCHA2_L
NTCHA_H
NTCHB_L
NTCHB_H
1)
Preliminary Data Sheet
Based on common reference frequencies and amateur radio bands.
Based on common reference frequencies and amateur radio bands.
new values.
Address - Value
Address - Value
ETSI Standard Values for Notch Registers, 38.88 MHz Clock
1.81 - 2.0 (DS1)
ANSI Standard Values for Notch Registers, 38.88 MHz Clock
1.81 - 2.0 (DS1)
781A
781A
7816
7817
7818
7819
7816
7817
7818
7819
EEPROM
EEPROM
H
H
H
H
H
H
H
H
H
H
Table 21
8C
8C
8A
A7
8A
A7
59
04
59
04
H
H
H
H
H
H
H
H
H
H
Address - Value
Address - Value
781C
781D
781C
781D
3.5 - 3.8 (US1)
781B
781E
781B
781E
781F
781F
and
3.5 - 4 (US1)
EEPROM
EEPROM
H
H
H
H
H
H
H
H
H
H
Table 22
Ham Bands (MHz)
Ham Bands (MHz)
61
CC
AD
9D
0D
4A
4B
85
06
08
07
Functional Description – Digital Block
H
H
H
H
H
H
H
H
H
H
show standard values for notch filter
Address - Value
Address - Value
7.0 - 7.1 (DS2)
7.0 - 7.3 (DS2)
7820
7821
7822
7823
7824
7820
7821
7822
7823
7824
EEPROM
EEPROM
H
H
H
H
H
H
H
H
H
H
5D
5D
2B
8A
7A
04
50
52
26
05
H
H
H
H
H
H
H
H
H
H
Rev. 1.1, 2005-01-30
Address - Value
Address - Value
7825
7826
7827
7828
7829
7825
7826
7827
7828
7829
10.1 - 10.15
10.1 - 10.15
EEPROM
EEPROM
VDSL6100i
PEF 22827
(US2)
(US2)
H
H
H
H
H
H
H
H
H
H
1)
1)
7A
8C
A3
7A
8C
A3
60
02
60
02
H
H
H
H
H
H
H
H
H
H