AC206-DS02-R View Datasheet(PDF) - Broadcom Corporation
Part Name
Description
MFG CO.
'AC206-DS02-R' PDF : 70 Pages View PDF
Preliminary Data Sheet
07/08/02
INITIAL DEVICE CONFIGURATION REGISTER
Name
MII Configuration
Table 20: Initial Device Configuration Register
Type
R/W
Address
06
Description
Used to give the status of MII port. Default is set by pin.
AC206
Bit
15:12
11
10
9
8
7
6:2
1
0
Name
Mode
Reserved
(Write clear enable)
Reserved
(MIB enable)
Disable partition
External transform
selection
MIIB Speed Select
Switch debug
100M repeater
Partition Alternative
10M repeater Partition
Alternative
Type
RO
RO
RO
R/W
R/W
R/W
R/W
R/W
R/W
Description
Mode[3:2] Digital Interface
00
MII
01
7-wire
10
Reverse MII
11
Reserved
Mode[1:0]
00
Master mode, Bridge enable
01
Slave mode, Bridge disable
10
Slave mode, Uplink
Port 5 is connected to the bridge
port in this mode. The other bridge
port is connected to 100 segment.
11
Reserved
Reserved
1:disable partition function of MII interface
1:external transform 1:1.25, 0:external transform
1:1
1:100M interface, 0:10M interface
Selection control for debugging signals
0 = Normal, un-partition a port only when data can
be transmitted out from the port for 560 bit-time
without a collision.
1 = Alternate, un-partition a port when data can be
either transmitted from the port or received from the
port for 560 bit-time without a collision.
0 = Normal, un-partition a port when data can be
either transmitted from the port or received from the
port for 560 bit-time without a collision.
1 = Alternate, un-partition a port only when data can
be received from the port for 560 bit-time without a
collision
Default
MODE pins
0
0
Ext pin
Ext Pin
00000
0
0
Document AC206-DS05-405-R
Broadcom
Register Description Page 21
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