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AM79C989 датащи(PDF) 9 Page - Advanced Micro Devices

номер детали AM79C989
подробное описание детали  Quad Ethernet Switching Transceiver (QuEST??
PDF  37 Pages
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производитель  AMD [Advanced Micro Devices]
домашняя страница  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C989 датащи(HTML) 9 Page - Advanced Micro Devices

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Am79C989
9
PRELIMINARY
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



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