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USB2512B Datenblatt(PDF) 6 Page - Microchip Technology

Teilenummer USB2512B
Bauteilbeschribung  USB 2.0 Hi-Speed Hub Controller
PDF  57 Pages
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Hersteller  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB2512B Datenblatt(HTML) 6 Page - Microchip Technology

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USB251xB/xBi
DS00001692D-page 6
 2022 Microchip Technology Inc. and its subsidiaries
2.0
BLOCK DIAGRAM
FIGURE 2-1:
USB251XB/XBI HUB FAMILY BLOCK DIAGRAM
3.3 V
Upstream
PHY
Repeater
Controller
SCK
SDA
PHY#1
3.3 V
PLL
VDDA
VDDCR
Serial
interface
engine
Serial
interface
Port
controller
Port
power
USB data
downstream
Port
power
OC
sense
switch/
LED
drivers
USB data
downstream
Routing and port re-ordering logic
1.2 V reg
Bus-
power
detect/
Vbus pulse
1.2 V reg
24 MHz
crystal
Upstream
USB data
To upstream
VBUS
To I2C EEPROM or
SMBus master
PHY#x
Port #x
OC sense
switch driver/
LED drivers
TT
#x
TT
#1
...
Port #1
OC sense
switch driver/
LED drivers
OC
sense
switch/
LED
drivers
...
x
indicates the number of available downstream ports: 2, 3, or 4



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