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KSZ9567R bảng dữ liệu(PDF) 55 Page - Microchip Technology

tên linh kiện KSZ9567R
Giải thích chi tiết về linh kiện  7-Port Gigabit Ethernet Switch with Audio Video Bridging and Two RGMII/MII/RMII Interfaces
PDF  233 Pages
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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KSZ9567R bảng dữ liệu(HTML) 55 Page - Microchip Technology

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 2022 Microchip Technology Inc. and its subsidiaries
DS00002329E-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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