參數資料
型號： 78Q2123R/F
廠商： Maxim Integrated Products
文件頁數： 10/38頁
文件大?。?/td> 0K
描述： TXRX 10/100 MDIX 3.3V COMM 32QFN
產品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 1
類型： PHY 收發(fā)器
驅動器/接收器數： 4/4
規(guī)程： IEEE 802
電源電壓： 3 V ~ 3.6 V
安裝類型： 表面貼裝
封裝/外殼： 32-VFQFN 裸露焊盤
供應商設備封裝： 32-QFN 裸露焊盤（5x5）
包裝： 標準包裝
其它名稱： 78Q2123R/FDKR
78Q2123/78Q2133 Data Sheet
DS_21x3_001
18
Rev. 1.6
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.
Note: Technology Ability Field: MR4.12:5 are the Technology Ability Field bits (A7:0). 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.
3.6
MR5: Auto-Negotiation Link Partner Ability Register
Bit
Symbol
Type
Default
Description
5.15
NP
R
0
Next Page: When ‘1’ is read, it indicates the link partner
wishes to engage in Next Page exchange.
5.14
ACK
R
0
Acknowledge: When ‘1’ is read, it indicates the link partner has
successfully received at least 3 consecutive and consistent
FLP bursts.
5.13
RF
R
0
Remote Fault: When ‘1’ is read, it indicates the link partner has
a fault.
5.12:5
A7:0
R
0
Technology Ability Field: This field contains the technology
ability of the link partner. The bit definition is the same as
MR4.12:5.
5.4:0
S4:0
R
00h
Selector Field: This field contains the type of message sent by
the link partner. For an IEEE 802.3 compliant link partner, this
field should be ‘00001’.
3.7
MR6: Auto-Negotiation Expansion Register
Bit
Symbol
Type
Default
Description
6.15:5
RSVD
R
0
Reserved
6.4
PDF
RC
0
Parallel Detection Fault: When ‘1’ is read, it indicates that
more than one technology has been detected during link up.
This bit is cleared when read.
6.3
LPNPA
R
0
Link Partner Next Page Able: When ‘1’ is read, it indicates the
link partner supports the Next Page function.
6.2
NPA
R
0
Next Page Able: Reads ‘0’ since the 78Q2123/78Q2133 do not
support Next Page function.
6.1
PRX
RC
0
Page Received: Reads ‘1’ when a new link code word has
been received into the Auto-Negotiation Link Partner Ability
Register. This bit is cleared upon read.
6.0
LPANEGA
R
0
Link Partner Auto-Negotiation Able: When ‘1’ is read, it
indicates the link partner is able to participate in the Auto-
Negotiation function.
3.8
MR16: Vendor Specific Register
Bit
Symbol
Type
Default
Description
16.15
RPTR
R/W
(0)
Repeater Mode: When set, the 78Q2123/78Q2133 are put
into Repeater mode of operation. In this mode, full duplex is
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相關代理商/技術參數
參數描述
78Q2123S/F 功能描述:1/1 Transceiver Full Ethernet 16-TQFN (5x5) 制造商:maxim integrated 系列:MicroPHY?? 包裝:管件 零件狀態(tài):有效 類型:收發(fā)器 協(xié)議:以太網 驅動器/接收器數:1/1 雙工:全 接收器滯后:- 數據速率:- 電壓 - 電源:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-WQFN 裸露焊盤 供應商器件封裝:16-TQFN（5x5） 標準包裝:60
78Q2123SR/F 功能描述:1/1 Transceiver Full Ethernet 16-TQFN (5x5) 制造商:maxim integrated 系列:MicroPHY?? 包裝:帶卷（TR） 零件狀態(tài):有效 類型:收發(fā)器 協(xié)議:以太網 驅動器/接收器數:1/1 雙工:全 接收器滯后:- 數據速率:- 電壓 - 電源:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-WQFN 裸露焊盤 供應商器件封裝:16-TQFN（5x5） 標準包裝:2,500
78Q2132 制造商:TDK 制造商全稱:TDK Electronics 功能描述:1/10BASE-T HomePNA/Ethernet Transceiver
78Q2133 制造商:Maxim Integrated Products 功能描述:
78Q2133/F 功能描述:以太網 IC 10/100 Fast Ethernet MicroPHY RoHS:否 制造商:Micrel 產品:Ethernet Switches 收發(fā)器數量:2 數據速率: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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