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AL2100-DS01-405-R 数据表(PDF) 30 Page - Broadcom Corporation.

部件名 AL2100-DS01-405-R
功能描述  Ultra Low-Power 100 Mbps Ethernet Media Converter
PDF  52 Pages
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制造商  BOARDCOM [Broadcom Corporation.]
网页  http://www.broadcom.com
标志 BOARDCOM - Broadcom Corporation.

AL2100-DS01-405-R 数据表(HTML) 30 Page - Broadcom Corporation.

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AL2100
Preliminary Data Sheet
11/11/02
Broa d c om Co rp o r a ti o n
Page 22
100base-Tx PHY Registers
Document
AL2100-DS01-405-R
RECEIVE ERROR COUNTER
POWER MANAGEMENT REGISTER
8
Adaptation
disable
1 = Turn on adaptation disable mode.
0 = Turn off.
To set the value of 20.7:4, turn on 20.8, and turn off 20.14,
or this PHY rejects to receive packets.
RW
0
7:4
Cable
measurement
capability
These bits can be used as a cable length indicator. The
bits are incremented from 0000 to 1111 with an increment
of approximately 10 meters. The equivalent is 0 to 32dB
with an increment of 2dB at 100 MHz. The value is a read
back from the equalizer; the measured value is not
absolute.
RW
X
3:0
Reserved
RO
XXXX
Table 17: Register 21: Receive Error Counter Bit Description
Bit
Name
Description
Mode
Default
15:0
RX_ER Counter
Count receive error events.
RO
0
Table 18: Register 22: Power Management Register Bit Description
Bit
Name
Description
Mode
Default
15:14
Reserved
RO
00
13
PD_PLL
1 = Power down PLL circuit.
RO
X
12
PD_EQUAL
1 = Power down equalizer circuit.
RO
X
11
PD_BT_RCVR
1 = Power down 10 base T receiver.
RO
X
10
PD_LP
1 = Power down link pulse receiver.
RO
X
9
PD_EN_DET
1 = Power down energy detect circuit.
RO
X
8
PD_FX
1 = Power down FX circuit.
RO
X
7:6
Reserved
RW
00
5
MSK_PLL
0 = Force power up PLL circuit.
RW
X
4
MSK_EQUAL
0 = Force power up equalizer circuit.
RW
X
3
MSK_BT_RCVR
0 = Force power up 10 base T receiver.
RW
X
2
MSK_LP
0 = Force power up link pulse receiver.
RW
X
1
MSK_EN_DET
0 = Force power up energy detect circuit.
RW
X
0
MSK_FX
0 = Force power up FX circuit
RW
X
Table 16: Register 20: Cable Measurement Capability Register Bit Description
Bit
Name
Description
Mode
Default



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