2009 Teridian Semiconductor Corporation Rev 1.3 MR4:" />
參數(shù)資料
型號(hào)： 78Q2120C09-CGTR/F
廠(chǎng)商： Maxim Integrated
文件頁(yè)數(shù)： 6/35頁(yè)
文件大小： 0K
描述： IC TXRX 10/100BASE-TX 64LQFP
標(biāo)準(zhǔn)包裝： 1,500
系列： *
78Q2120C
10/100BASE-TX
Transceiver
Page: 14 of 35
2009 Teridian Semiconductor Corporation
Rev 1.3
MR4: Auto-Negotiation Advertisement Register
BIT
SYMBOL TYPE DEFAULT DESCRIPTION
4.15
NP
R
0
Next Page: Not supported. Reads logic zero.
4.14
RSVD
R
0
Reserved
4.13
RF
R/W
0
Remote Fault: Setting this bit to ‘1’ allows the device to indicate to
the link partner a Remote Fault Condition.
4.12:5
TAF
R/W
(0Fh)
Technology Ability Field: The default value of this field is dependent
upon the MR1.15:11 register bits. This field can be overwritten by
management to auto-negotiate to an alternate common technology.
Writing to this register has no effect until auto-negotiation is re-
initiated.
4.12
A7
R
0
Reserved for future technology.
4.11
A6
R/W
0
Reserved
4.10
A5
R/W
0
Reserved.
4.9
A4
R
0
100BASE-T4:
The 78Q2120C does not support 100BASE-T4
operation.
4.8
A3
R/W
(1)
100BASE-TX Full Duplex: If the MR1.14 bit is ‘1’, this bit will be set
to ‘1’ upon reset and will be writeable. Otherwise, this bit cannot be
set to ‘1’ by the management.
4.7
A2
R/W
(1)
100BASE-TX: If the MR1.13 bit is ‘1’, this bit will be set to ‘1’ upon
reset and will be writeable. Otherwise, this bit cannot be set to ‘1’ by
the management.
4.6
A1
R/W
(1)
10BASE-T Full Duplex: If the MR1.12 bit is ‘1’, this bit will be set to
‘1’ upon reset and will be writeable. Otherwise, this bit cannot be set
to ‘1’ by the management.
4.5
A0
R/W
(1)
10BASE-T: If the MR1.11 bit is ‘1’, this bit will be set to ‘1’ upon reset
and will be writeable. Otherwise, this bit cannot be set to ‘1’ by the
management.
4.4:0
S4:0
R
01h
Selector Field: Hard coded with the value of ‘00001’ for IEEE 802.3.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
78Q2120C09-DB 功能描述:以太網(wǎng)開(kāi)發(fā)工具 78Q2120C09 Demo Boa RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類(lèi)型:Ethernet Transceivers 工具用于評(píng)估:KSZ8873RLL 接口類(lèi)型:RMII 工作電源電壓:
78Q2120-CGT 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:10/100BASE-TX Ethernet Transceiver
78Q2123 制造商:TERIDIAN 制造商全稱(chēng):TERIDIAN 功能描述:10/100BASE-TX Transceiver
78Q2123/F 功能描述:以太網(wǎng) IC 10/100 Fast Ethernet MicroPHY RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
78Q2123/F1 功能描述:以太網(wǎng) IC RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
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