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USB5926C/KD 数据表(PDF) 15 Page - Microchip Technology

部件名 USB5926C/KD
功能描述  6-Port USB 3.2 Gen 1 SmartHub with Support for Multiple USB Type-C짰 UFP and DFP
PDF  66 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB5926C/KD 数据表(HTML) 15 Page - Microchip Technology

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USB5926C
DS00003190C-page 15
2022 Microchip Technology Inc. and its subsidiaries
TABLE 3-6:
USB TYPE-C CONNECTOR CONTROLS
Name
Symbol
Buffer
Type
Description
USB Type-C
Attach Control
Input 0-2
C_ATTACH[0:2]
I
(PD)
“Type-C Control Mode 1” USB Type-C attach control
input.
This pin indicates to the hub when a valid USB Type-C
attach has been detected. This pin is used by the hub to
enable the USB 3.2 Gen 1 PHY when a Type-C connec-
tion is present. When there is no USB Type-C connection
present, the USB 3.2 Gen 1 PHY is disabled to reduce
power consumption.
The polarity of this input is controlled via the
CC_POL
pin. If
CC_POL is low, this pin behaves as follows:
- 1: USB Type-C attach detected, turn respective
USB 3.2 Gen 1 PHY on.
- 0: No USB Type-C attach detected, turn respec-
tive USB 3.2 Gen 1 PHY off.
If
CC_POL is high, this pin behaves as follows:
- 1: No USB Type-C attach detected, turn respec-
tive USB3.1 Gen 1 PHY off.
- 0: USB Type-C attach detected, turn respective
USB3.1 Gen 1 PHY on.
When using legacy USB Type-A and Type-B connectors,
pull these pins to 3.3V to permanently enable all USB 3.2
PHYs.
USB Type-C
Orientation
Control Input 0-2
AB[0:2]
I
(PD)
“Type-C Control Mode 1” USB Type-C orientation control
input.
This pin signals to the hub the orientation of the USB
Type-C connector. The hub enables the appropriate USB
3.1 Gen 1 PHY based upon the polarity of this signal, and
the assertion of the associated
C_ATTACH[0:2] pin.
The polarity of this input is controlled via the
CC_POL
pin. If
CC_POL is low, this pin behaves as follows:
- 1: Enable USB 3.1 Gen 1 PHY B.
- 0: Enable USB 3.1 Gen 1 PHY A.
If
CC_POL is high, this pin behaves as follows:
- 1: Enable USB 3.1 Gen 1 PHY A.
- 0: Enable USB 3.1 Gen 1 PHY B.



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