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參數(shù)資料
| 型號： | AM79C989 |
| 廠商： | Advanced Micro Devices, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Motor Driver IC; Supply Voltage Max:13.2V; Output Current Max:0.5A; Package/Case:8-SOIC; Driver Type:Motor; Leaded Process Compatible:No; Output Current:1.5A; Peak Reflow Compatible (260 C):No; Supply Voltage Min:3.8V |
| 中文描述： | 四路以太網(wǎng)交換器（QuEST的⑩） |
| 文件頁數(shù)： | 10/37頁 |
| 文件大?。?/td> | 198K |
| 代理商： | AM79C989 |
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10
Am79C989
P R E L I M I N A R Y
PIN DESCRIPTIONS
10BASE-T Signal Pins
TXD0
±
10BASE-T Transmit Data Port 0
Output
TXD0
±
are the 10BASE-T differential data drivers for
port 0.
RXD0
10BASE-T Receive Data Port 0
Input
RXD0
±
are the 10BASE-T differential data receivers for
port 0.
±
TXD1
10BASE-T Transmit Data Port 1
Output
TXD1
±
are the 10BASE-T differential data drivers for
port 1.
±
RXD
10BASE-T Receive Data Port 1
Input
RXD1
±
are the 10BASE-T differential data receivers for
port 1.
±
TXD2
10BASE-T Transmit Data Port 2
Output
TXD2
±
are the 10BASE-T differential data drivers for
port 2.
±
RXD2
10BASE-T Receive Data Port 2
Input
RXD2
±
are the 10BASE-T differential data receivers for
port 2.
±
TXD3
10BASE-T Transmit Data Port 3
Output
TXD3
±
are the 10BASE-T differential data drivers for
port 3.
±
Pin Number
Pin Name
Pin Type
Pin Description
QuASI Interface (Continued)
42
QCLSN
I/O
Multiplexed collision error
PHYAD 2 internal address input upon reset
43
QRX_CRS
Output
Multiplexed receive carrier sense
Management Interface
40
MDC
Input
Management Interface Clock
41
MDIO
I/O
Management Interface Data
Miscellaneous Pins
6
SCLK
Input
System Clock for QuASI Interface
7
QRST/STRB
Input
Active Low -- Reset and QuASI Channel 0 strobe
8
REXT
Input
External resistor for determining TXD drive levels
Power Pins
1
VDDIO
VDD1
1 VDD pin for digital Outputs
(3.3 Volt Capable)
44
VSSIO
VSS
1 VSS pin for digital Inputs/Outputs
39
VDD
VDD
1 VDD pin for internal digital logic
9
VSS
VSS
1 VSS pin for internal digital logic
14
VSSAUI
VSS
1 Analog VSS pin for AUI circuit
29, 23, 17
VDDTX
VDD
3 Analog VDD pins for TXD driver
26, 20
VSSTX
VSS
2 Analog VSS pins for TXD driver
34
VSSRX
VSS
1 Analog VSS pin for 10BASE-T Receivers
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AM79C989JC | Quad Ethernet Switching Transceiver (QuEST⑩) |
| AM79C989JCT | Quad Ethernet Switching Transceiver (QuEST⑩) |
| AM79C98 | Twisted-Pair Ethernet Transceiver (TPEX) |
| AM79C98JC | Twisted-Pair Ethernet Transceiver (TPEX) |
| AM79C98PC | Twisted-Pair Ethernet Transceiver (TPEX) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79C989JC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AM79C989JC/T | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AM79C989JCT | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Quad Ethernet Switching Transceiver (QuEST⑩) |
| AM79C98JC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Twisted-Pair Ethernet Transceiver (TPEX) |
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