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參數(shù)資料
| 型號： | 78Q2120C09-64CGTR/F |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 2/35頁 |
| 文件大?。?/td> | 0K |
| 描述： | TXRX 10/100 BASE 3.3V 64-LQFP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1,500 |
| 類型： | 以太網(wǎng) |
| 驅(qū)動器/接收器數(shù)： | 4/4 |
| 規(guī)程： | MII |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-LQFP |
| 供應(yīng)商設(shè)備封裝： | 64-LQFP（10x10） |
| 包裝： | 帶卷 (TR) |
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78Q2120C
10/100BASE-TX
Transceiver
Page: 10 of 35
2009 Teridian Semiconductor Corporation
Rev 1.3
REGISTER DESCRIPTION
The 78Q2120C implements 11 16-bit registers, which are accessible via the MDIO and MDC pins. The supported
registers are shown below in the following table. Attempts to read unsupported registers will be ignored and the
MDIO pin will not be enabled as an output, as per the IEEE 802.3 specification. All of the registers except those
which are unique to the 78Q2120C, will respond to the broadcast PHYAD value of ‘00000’. The registers specific
to the 78Q2120C occupy address space MR16-22.
ADDRESS
SYMBOL
NAME
DEFAULT (HEX)
0
MR0
Control
(3100)
1
MR1
Status
(7809)
2
MR2
PHY Identifier 1
000E
3
MR3
PHY Identifier 2
70C9
4
MR4
Auto-Negotiation Advertisement
(01E1)
5
MR5
Auto-Negotiation Link Partner Ability
0000
6
MR6
Auto-Negotiation Expansion
0000
7
MR7
Not Implemented
0000
8-14
MR8-14
Reserved
0000
15
MR15
Not Implemented
0000
16
MR16
Vendor Specific
(0140)
17
MR17
Interrupt Control/Status Register
0000
18
MR18
Diagnostic Register
0000
19
MR19
Transceiver Control
4XXX
20-22
MR20-MR22
Reserved
0000
Legend:
TYPE DESCRIPTION
R
Readable by management.
W
Writeable by management.
SC
Writeable by management. Self
Clearing.
RC
Readable by management.
Cleared upon a read operation.
0/1
Default value upon power up or
reset.
(0/1)
Default value dependent on pin
settings. The value in bracket
indicates typical case.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 78Q2120C09-CGTR/F | 功能描述:以太網(wǎng) IC 10-100 Fast Ethernet Transceiver 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 |
| 78Q2120C09-DB | 功能描述:以太網(wǎng)開發(fā)工具 78Q2120C09 Demo Boa RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓: |
| 78Q2120-CGT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:10/100BASE-TX Ethernet Transceiver |
| 78Q2123 | 制造商:TERIDIAN 制造商全稱: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 |
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