KSZ9031MNX 查看數據表（PDF） - Microsemi Corporation
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KSZ9031MNX Datasheet PDF : 73 Pages
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KSZ9031MNX
TABLE 2-1: SIGNALS - KSZ9031MNX (CONTINUED)
Pin
Number
24
25
26
27
28
29
30
Pin
Name
TXD3
DVDDL
TXD4
TXD5
TXD6
TXD7
DVDDH
31
TX_ER
32
GTX_CLK
33
TX_EN
34
RXD7
35
RXD6
36
DVDDL
37
RXD5
38
RXD4
39
RXD3/
MODE3
40
DVDDH
41
RXD2/
MODE2
42
DVDDL
Type
Note
2-1
I
P
I
I
I
I
P
I
I
I
O
O
P
O
O
I/O
P
I/O
P
Description
GMII mode: GMII TXD3 (Transmit Data 3) input
MII mode: MII TXD3 (Transmit Data 3) input
1.2V digital VDD
GMII mode: GMII TXD4 (Transmit Data 4) input
MII mode: This pin is not used and can be driven high or low.
GMII mode: GMII TXD5 (Transmit Data 5) input
MII mode: This pin is not used and can be driven high or low.
GMII mode: GMII TXD6 (Transmit Data 6) input
MII Mode: This pin is not used and can be driven high or low.
GMII mode: GMII TXD7 (Transmit Data 7) input
MII mode: This pin is not used and can be driven high or low.
3.3V, 2.5V, or 1.8V digital VDD_IO
GMII mode: GMII TX_ER (Transmit Error) input
MII mode: MII TX_ER (Transmit Error) input
If the GMII/MII MAC does not provide the TX_ER output signal, this pin
should be tied low.
GMII mode: GMII GTX_CLK (Transmit Reference Clock) input
GMII mode: GMII TX_EN (Transmit Enable) input
MII mode: MII TX_EN (Transmit Enable) input
GMII mode: GMII RXD7 (Receive Data 7) output
MII mode: This pin is not used and is driven low.
GMII mode: GMII RXD6 (Receive Data 6) output
MII mode: This pin is not used and is driven low.
1.2V digital VDD
GMII mode: GMII RXD5 (Receive Data 5) output
MII mode: This pin is not used and is driven low.
GMII mode: GMII RXD4 (Receive Data 4) output
MII mode: This pin is not used and is driven low.
GMII mode: GMII RXD3 (Receive Data 3) output
MII mode: MII RXD3 (Receive Data 3) output
Config mode: The voltage on this pin is sampled and latched during the
power-up/reset process to determine the value of MODE3. See the Strapping
Options - KSZ9031MNX section for details.
3.3V, 2.5V, or 1.8V digital VDD_IO
GMII mode: GMII RXD2 (Receive Data 2) output
MII mode: MII RXD2 (Receive Data 2) output
Config mode: The voltage on this pin is sampled and latched during the
power-up/reset process to determine the value of MODE2. See the Strapping
Options - KSZ9031MNX section for details.
1.2V digital VDD
2016 Microchip Technology Inc.
DS00002096C-page 9
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