TC9205M
Preliminary Data Sheet
10.3.2
Port [X] Configuration Register
Confidential.
29/51
July 30, 2003
Copyright © 2003, IC Plus Corp.
TC9205M-DS-R03
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Addresses: 05h – 0eh
Note: x is in range 0 to 4
7 6 5 4 3 2 1 0
ANMode
ForceIntMode
Speed
Duplex
ForceLink
not used
TxDisable
RxDisable
DisFdxFCTx
DisFdxFCRx
DisBackPres
PortPriorityEn
PortPriority
ConfigRegP[x]
15 14 13 12 11 10 9 8
Bit(s)
Field
Description
1 - 0
ANMode
Operating mode selection for the phy configuration/polling entity
2
ForceIntMode
Internal speed and duplex selection enforcement
4 - 3
Speed
Internal speed selection (10 Mbps/100Mbps/1000Mbps)
5
Duplex
Internal duplex selection (full/half)
6
ForceLnk
Force Link Status to ‘ON’
7
not used
not used
8
TxDisable
Disable transmit MAC
9
RxDisable
Disable receive MAC
10
DisFdxFCTx
Disable flow control in full duplex on transmit side
11
DisFdxFCRx
Disable flow control in full duplex on receive side
12
DisBackPres
Disable backpressure
13
PortPriorityEn
Enable port priority
15 - 14
PortPriority
Sets the priority class(class 0, class 1, class 2, class 3)
ANMode
This field selects the way auto-negotiation advertisements are configured by
theTC9205M’s physical layer management polling entity and the way Phy speed
and duplex modes are extracted from management registers. It can enable
EEPROM forced modes that also use Duplex and Speed bits below to configure
the Phy mode.
00 – Normal Mode
01 – Advertise one mode
10 – Advertise multiple modes
11 – Disable auto-negotiation
Default is “00”(0).
ForceIntMode
This bit selects the source of internal port mode configuration. When this bit is ‘0’
the port's speed and duplex is configured according to Phy polling results,
otherwise it is set as indicated by following Speed and Duplex. Default is ‘0’.
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