參數(shù)資料
型號(hào)： AM79C989
廠商： Advanced Micro Devices, Inc.
元件分類(lèi)： 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(yè)數(shù)： 9/37頁(yè)
文件大?。?/td> 198K
代理商： AM79C989
Am79C989
9
P R E L I M I N A R Y
PIN DESIGNATIONS
Listed by Pin Number
Listed by Group
Pin No.
Pin Name
Pin No.
Pin Name
Pin No.
Pin Name
Pin No.
Pin Name
1
VDDIO
12
DI-
23
VDDTX
34
VSSRX
2
QRX_DATA
13
DI+
24
TXD2-
35
RXD2-
3
QRX_VALID
14
VSSAUI
25
TXD2+
36
RXD2+
4
QTX_DATA
15
DO-
26
VSSTX
37
RXD3-
5
QTX_EN
16
DO+
27
TXD3-
38
RXD3+
6
SCLK
17
VDDTX
28
TXD3+
39
VDD
7
QRST/STRB
18
TXD0-
29
VDDTX
40
MDC
8
REXT
19
TXD0+
30
RXD0-
41
MDIO
9
VSS
20
VSSTX
31
RXD0+
42
QCLSN
10
QINT/CI-
21
TXD1-
32
RXD1-
43
QRX_CRS
11
PCI/CI+
22
TXD1+
33
RXD1+
44
VSSIO
Pin Number
Pin Name
Pin Type
Pin Description
10BASE-T Signal Pins
19 & 18
TXD0
±
Output
Port 0 10BASE-T differential driver
22 & 21
TXD1
±
Output
Port 1 10BASE-T differential driver
25 & 24
TXD2
±
Output
Port 2 10BASE-T differential driver
28 & 27
TXD3
±
Output
Port 3 10BASE-T differential driver
31 & 30
RXD0
±
Input
Port 0 10BASE-T differential receiver
33 & 32
RXD1
±
Input
Port 1 10BASE-T differential receiver
36 & 35
RXD2
±
Input
Port 2 10BASE-T differential receiver
38 & 37
RXD3
±
Input
Port 3 10BASE-T differential receiver
AUI Signal Pins
10
QINT/CI-
I/O
AUI differential collision receiver negative signal or Interrupt output
signal (open drain)
11
PCI/CI+
Input
AUI differential collision receiver positive signal or single-ended
Pseudo AUI receiver
13 & 12
DI
±
Input
Attachment Unit Interface differential data receiver
16 & 15
DO
±
Output
Attachment Unit Interface differential output driver
QuASI Interface
2
QRX_DATA
I/O
Multiplexed serial receive data
PHYAD 4 internal address input upon reset
3
QRX_VALID
I/O
Multiplexed receive data valid enable
PHYAD 3 internal address input upon reset
4
QTX_DATA
Input
Multiplexed serial transmit data
5
QTX_EN
Input
Multiplexed transmit enable
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(chēng):Advanced Micro Devices 功能描述:Quad Ethernet Switching Transceiver (QuEST⑩)
AM79C98JC 制造商:AMD 制造商全稱(chēng):Advanced Micro Devices 功能描述:Twisted-Pair Ethernet Transceiver (TPEX)
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