參數(shù)資料
型號(hào)： IP175CLF
廠商： Electronic Theatre Controls, Inc.
英文描述： 5 Port 10/100 Ethernet Integrated Switch
中文描述： 5端口10/100以太網(wǎng)集成開(kāi)關(guān)
文件頁(yè)數(shù)： 16/111頁(yè)
文件大?。?/td> 679K
代理商： IP175CLF
IP175C/IP175C LF/IP175CH/IP175CH LF
Data Sheet
Pin description
(continued)
Copyright
2004, IC Plus Corp.
16/111
Mar 09, 2007
IP175C/IP175CH-DS-R14
Pin No.
External MII port setting (the setting is latched at the end of reset)
74
P4EXT
IPL
Label
Type
Description
External MII port enable
1: MII interface configuration is enabled.
0: External MII interface is disabled and IP175C/IP175CH works
as a 5-port switch (default).
The configuration function of pin Px_FORCE, FILTER_RSV_DA,
MAC_X_EN, LONG_PKT, AGING, P4_HIGH and COS_EN are
disabled when this pin is pulled high.
RMII enable for all MII ports.
1: All MII/RMII interfaces work in RMII mode
0: All MII/RMII interfaces work in MII mode (default).
It is valid only if P4EXT is pulled high.
This pin defines the initial setting of all MII ports. Each port can be
configured as MII or RMII by programming MII register 31.5[10:8].
IPH2 Flow control enable for external MII ports
1: enable (default),
0: disable
It is valid only if P4EXT is pulled low.
IPL1
External MII0 port MAC mode
MII0 is connected to MAC5 of IP175C/IP175CH.
1: MII0 works as a MAC and should be connected to an external PHY.
0: MII0 works as a PHY and should be connected to an external
MAC device (default).
It is valid only if P4EXT is pulled high.
IPH/O External MII1 source port selection
1: MII1 is connected to PHY4 of IP175C/IP175CH. It should be
connected to an external MAC device.
0: MII1 is connected to MAC4 of IP175C/IP175CH. It should be
connected to an external PHY.
It is valid only if P4EXT is pulled high and MII1_DIS is pulled low.
IPL
External MII2 port MAC mode
MII2 is connected to MAC4 of IP175C/IP175CH.
1: MII2 works as a MAC and should be connected to an external PHY.
0: MII2 works as a PHY and should be connected to an external
MAC device (default).
It is valid only if P4EXT is pulled high and MII2_EN is pulled high.
IPL/O MII2 enable
1: MII2 is enabled. It is note that LED is changed to serial mode
automatically. User should not enable MII2 if pin 54
MII1_PHY_MOD is pulled low.
0: MII2 is disabled (default).
It is valid only if P4EXT is pulled high.
The
configuration
function
Px_FORCE_100,
BF_STM_EN,
MII0_MAC_MODE are disabled when this pin is pulled high.
It becomes an output pin MDC1 after reset.
53
RMII_EN
IPL
67
MAC_X_EN
96
MII0_MAC_MOD
54
MII1_PHY_MOD
(SDA)
111
MII2_MAC_MOD
113
MII2_EN
of
pin
LINK_Q,
Px_FORCE_FULL,
X_EN,
and
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