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KSZ9567RTXI-TR 데이터시트(PDF) 55 Page - Microchip Technology

부품명 KSZ9567RTXI-TR
상세설명  7-Port Gigabit Ethernet Switch with Audio Video Bridging and Two RGMII/MII/RMII Interfaces
PDF  232 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

KSZ9567RTXI-TR 데이터시트(HTML) 55 Page - Microchip Technology

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 2017-2019 Microchip Technology Inc.
DS00002329D-page 55
KSZ9567R
4.9
Power
The KSZ9567R requires two to three supply voltages. The device core operates from a 1.2V supply (DVDDL and
AVDDL). The PHY transceivers and XI/XO crystal/clock interface operate from a 2.5V supply (AVDDH). The digital I/
O's can be operated from 1.8V, 2.5V or 3.3V (VDDIO). The digital I/Os powered from VDDIO include RGMII, RMII, MII,
SPI, I2C, MIIM, LED, RESET_N, PME_N, INTRP_N and SYNCLKO. An example power connection diagram can be
seen in Figure 4-10.
4.10
Power Management
The device supports enhanced power management features in a low-power state with energy detection to ensure low-
power dissipation during device idle periods. There are three operation modes under the power management function
which are implemented globally (i.e., applying to all ports):
• Normal Operation Mode
• Energy Detect Mode
• Global Soft Power Down Mode
Table 4-24 summarizes all internal function blocks status under the three power-management operation modes.
FIGURE 4-10:
POWER CONNECTION DIAGRAM
0.1µF
22µF
0.1µF
VDDIO
VDDIO
VDDIO
AVDDH
AVDDH
AVDDH
AVDDH
AVDDH
AVDDH
AVDDH
DVDDL
AVDDL
AVDDL
AVDDL
AVDDL
AVDDL
AVDDL
AVDDL
AVDDL
AVDDL
DVDDL
DVDDL
DVDDL
DVDDL
DVDDL
DVDDL
DVDDL
GND
GND
GND
GND
GND
GND
GND
(exposed pad)
+1.8V, 2.5V or 3.3V
+2.5V
+1.2V
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
22µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
22µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
10µF



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