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VSC8540RT Datasheet(PDF) 11 Page - Microchip Technology

Part # VSC8540RT
Description  Radiation-Tolerant Single Port Fast Ethernet Copper PHY with RGMII/MII/RMII Interfaces
PDF  87 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

VSC8540RT Datasheet(HTML) 11 Page - Microchip Technology

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 2022 Microchip Technology Inc. and its subsidiaries
DS60001603E-page 11
VSC8540RT
PHY Configuration XTAL2
64
O
VDD25A
Crystal output, leave unconnected when
using single ended reference clock
Power
VDD1
17
P
1.0V digital core power
Power
VDD1
34
P
1.0V digital core power
Power
VDD1A
5
P
1.0V analog power requiring additional
PCB power supply filtering
Power
VDD1A
14
P
1.0V analog power requiring additional
PCB power supply filtering
Power
VDD1A
68
P
1.0V analog power requiring additional
PCB power supply filtering
Power
VDD25A
2
P
2.5V analog power requiring additional
PCB power supply filtering
Power
VDD25A
8
P
2.5V analog power requiring additional
PCB power supply filtering
Power
VDD25A
11
P
2.5V analog power requiring additional
PCB power supply filtering
Power
VDDIO
58
P
2.5V or 3.3V general I/O power
Power
VDDMAC
22
P
1.5V, 1.8V, 2.5V, or 3.3V RGMII/MII/
RMII MAC power
Power
VDDMAC
28
P
1.5V, 1.8V, 2.5V, or 3.3V RGMII/MII/
RMII MAC power
Power
VDDMAC
39
P
1.5V, 1.8V, 2.5V, or 3.3V RGMII/MII/
RMII MAC power
Power
VDDMAC
44
P
1.5V, 1.8V, 2.5V, or 3.3V RGMII/MII/
RMII MAC power
Power
VDDMDIO
49
P
1.2V, 1.5V, 1.8V, 2.5V, or 3.3V power for
SMI pins
R/GMII
COL
18
I/O,
PD
VDDMAC
MII collision output. The logic state on
this pin is latched on the rising edge of
NRESET to configure the device. See
Section 5.3, Hardware Mode Strapping
and PHY Addressing for details.
R/GMII
CRS
19
I/O,
PD
VDDMAC
MII carrier sense output. The logic state
on this pin is latched on the rising edge
of NRESET to configure the device. See
Section 5.3, Hardware Mode Strapping
and PHY Addressing for details.
R/GMII
MII_TXCLK
36
I/O,
PD
VDDMAC
MII transmit clock output. The logic state
on this pin is latched on the rising edge
of NRESET to configure the device. See
Section 5.3, Hardware Mode Strapping
and PHY Addressing for details.
TABLE 3-2:
PINS BY FUNCTION



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