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AC104X-DS00-R 数据表(PDF) 35 Page - Broadcom Corporation.

部件名 AC104X-DS00-R
功能描述  2.5V 4-Port 10/100-TX Ethernet Transceiver
PDF  50 Pages
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制造商  BOARDCOM [Broadcom Corporation.]
网页  http://www.broadcom.com
标志 BOARDCOM - Broadcom Corporation.

AC104X-DS00-R 数据表(HTML) 35 Page - Broadcom Corporation.

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Preliminary Data Sheet
■ AC104X
12/11/01
B roa dcom Co rpo rat ion
Document
AC104X-DS00-405-R
Section 3: Register Descriptions
Page 27
Table 29:
Common Register 0: Common Operation Mode (Map to Phy Channel A, Reg 28)
Bit
Name
Description
Mode
Default
a.28.[15:5]
Reserved
RO
000H
a.28.4
Rmii_enable
1 = Put the chip in shared RMII mode.
The MODE1 pin should be pulled down and the
MODE0 pin should be pulled high for the default
configuration.
RW
1
a.28.3
Interrupt Level
1 = Interrupt active high.
0 = Interrupt active low.
RW
0
a.28.2
Act Select
Act Event selector.
1 = TX or RX activity.
0 = Receive activity.
RW
1
a.28.1
Reserved
RO
0
a.28.0
Reserved
RW
0
Table 30:
Common Register 1: Test Mode (Map to Phy Channel A, Reg 29)
Bit
Name
Description
Mode
Default
a.29.15
Reserved
RW
0
a.29.[14:10]
Reserved
RO
00010
a.29.[9:8]
Test Channel
Channel to be tested.
RW
00
a.29.[7:4]
Test mode
0000 = normal operation.
RW
0000
a.29.3
Burn In
1 = Enable Burn In Test mode.
0 = Normal Operation.
RW
Reset by the
BURN_IN pin
a.29.2
Output Disable
1 = Disable all digital outputs.
0 = Normal operation.
RW
0
a.29.1
Global phy addr
enable
1 = Write to phy addr 0 will write to all 4 phys on
the chip.
0 = Normal operation.
RW
0
a.29.0
Reduce timer
1 = Reduce timer for auto-negotiation testing.
RW
0



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