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AC207-DS00-R 数据表(PDF) 38 Page - Broadcom Corporation.

部件名 AC207-DS00-R
功能描述  2.5V 10/100-TX 8-Port Repeater with Integrated Bridge
PDF  60 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  BOARDCOM [Broadcom Corporation.]
网页  http://www.broadcom.com
标志 BOARDCOM - Broadcom Corporation.

AC207-DS00-R 数据表(HTML) 38 Page - Broadcom Corporation.

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AC207
Preliminary Data Sheet
07/08/02
B roa dcom
Page 28 PHY Registers
Document
AC207-DS04-405-R
CABLE LENGTH REGISTER
RECEIVE ERROR COUNT
POWER MANAGEMENT REGISTER
Table 30: Cable Length Register
Register
Bit
Name
Description
Mode
Default
20.[15:9]
Reserved
RO
0000000
20.8
Adaptation
disable
1 = Disable adaptation
RW
0
20.[7:4]
Cable length
indication
These bits are to indicate cable length from 0 to 150 meters. Each bit
represents 10 meters. For example, if the cable length is 100 meters
then bits [7:4] = 1010. These bits are only applicable to 100TX mode.
RW
XXXX
20.[3:0]
Adaptation
low limit
Adaptation setting, when SD signal is first detected.
RO
XXXX
Table 31: Receive Error Count
Register
Bit
Name
Description
Mode
Default
21.[15:0]
Receive error count Count number of receiving packets with error. This register can
only be cleared by reset (software or hardware).
RO
0000
Table 32: Power Management Register
Register
Bit
Name
Description
Mode
Default
22.[15:14]
Reserved
RO
00
22.13
PD_PLL
1=Power-down PLL circuit
RO
X
22.12
PD_EQUAL
1=Power-down equalizer circuit
RO
X
22.11
PD_BT_RCVR
1=Power-down 10BASE-T receiver
RO
X
22.10
PD_LP
1=Power-down link pulse receiver
RO
X
22.9
PD_EN_DET
1=Power-down energy detect circuit
RO
X
22.8
PD_FX
1=Power-down FX circuit
RO
X
22.[7:6]
Reserved
RW
00
22.5
MSK_PLL
0=Force power-up PLL circuit
RW
X
22.4
MSK_EQUAL
0=Force power-up equalizer circuit
RW
X
22.3
MSK_BT_RCVR 0=Force power-up 10BASE-T receiver
RW
X
22.2
MSK_LP
0=Force power-up link pulse receiver
RW
X
22.1
MSK_EN_DET
0=Force power-up energy detect circuit
RW
X
22.0
MSK_FX
0=Force power-up FX circuit
RW
X



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