PEF22827EL-V11 Lantiq, PEF22827EL-V11 Datasheet - Page 259

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

Specifications of PEF22827EL-V11

• Lead Free Status / RoHS Status: Supplier Unconfirmed

POCO
Power Control
Field
Res
POCO3
POCO[2:0]
PD_POCO
11.2.6
The
(AGC[6:0]) used to calculate AGC gain, depending on the AGC mode (ACE_MODE, bit
6 in the
follows:
•
•
Table 82
Preliminary Data Sheet
If there is no external resistor:
– and AGC_MODE = 0
– and AGC_MODE = 1
If there is an external 800
– and AGC_MODE = 0
– and AGC_MODE = 1
AGC
7
ACE_MBUF_AGC
summarizes the results of these calculations.
register controls power down of AGC and specifies a decimal AGC value
Value for AGC Gain Calculation
Res
rw
6
Bits Type Description
7:5
4
3:1
0
rw
rw
rw
rw
5
B
B
B
B
, then AGC
, then AGC
, then AGC
, then AGC
Reserved
POCO3 Factor for Power Control Gain Calculation
0
1
POCO[2:0] Factor for Power Control Gain Calculation
000
001
010
011
100
Power Down Control
0
1
register at offset address 04
B
B
B
B
resistor:
B
B
B
B
B
Memory and Register Descriptions – Analog Block
Add 0 dB to value in bits 3:1 (POCO[2:0]) for gain.
Add 3 dB to value in bits 3:1 (POCO[2:0]) for gain.
Use 0
Use 1
Use 2
Use 3
Use 4
Normal operation.
Power down.
POCO3
rw
4
GAIN
GAIN
GAIN
GAIN
D
D
D
D
D
(05
259
for POCO[2:0] in gain calculation.
for POCO[2:0] in gain calculation.
for POCO[2:0] in gain calculation.
for POCO[2:0] in gain calculation.
for POCO[2:0] in gain calculation.
= 0.5
= 0.5
= 0.5
= 0.5
H
)
3
AGC[6:0]
(AGC[6:0]
AGC[6:0]
(AGC[6:0]
POCO[2:0]
H
rw
)
2
and external resistors, as
6 dB
12 dB
12)
12)
Rev. 1.1, 2005-01-30
Reset Value: 10
12 dB
1
6 dB
VDSL6100i
PEF 22827
PD_POCO
rw
0
H