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USB5534B 数据表(PDF) 49 Page - Microchip Technology

部件名 USB5534B
功能描述  4-Port SS/HS USB Hub Controller
PDF  73 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB5534B 数据表(HTML) 49 Page - Microchip Technology

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 2012 - 2015 Microchip Technology Inc.
DS00001681C-page 49
USB5534B
5.6.27
PORT 3 OCS SELECT REGISTER
The bits in this register are configured via a configuration file. Users must not change the values of these settings
dynamically.
5.6.28
PORT 4 OCS SELECT REGISTER
The bits in this register are configured via a configuration file. Users must not change the values of these settings
dynamically.
5.6.29
CHARGING DOWNSTREAM DETECTED REGISTER
TABLE 5-44:
PORT 3 OCS SELECT REGISTER
OCS_CFG_SEL3
(0X3C28)
Port 3 OCS Select
Bit
Name
R/W
Description
7:4
Reserved
R/W
Reserved.
3:0
OCS_SEL
R/W
This selects the source for the port power for port1
0000b - The port is disabled
0001b - OCS comes from OCS pin
0010b - OCS comes from GPIO
1111b - OCS is force on (for testing)
All other values are reserved.
TABLE 5-45:
PORT 4 OCS SELECT REGISTER
OCS_CFG_SEL4
(0X3C2C)
Port 4 OCS Select
Bit
Name
R/W
Description
7:4
Reserved
R/W
Reserved.
3:0
OCS_SEL
R/W
This selects the source for the port power for port1
0000b - The port is disabled
0001b - OCS comes from OCS pin
0010b - OCS comes from GPIO
1111b - OCS is force on (for testing)
All other values are reserved.
TABLE 5-46:
CHARGING DOWNSTREAM DETECTED REGISTER
CDP_DETECT
(0X5246)
Charging Downstream Detected
Bit
Name
R/W
Description
7:4
Reserved
R/W
Reserved
3
P4_CDP
R/W
0 = No CDP handshake detected.
1 = Charging Downstream Port handshake detected prior to
enumeration.
2
P3_CDP
R/W
0 = No CDP handshake detected.
1 = Charging Downstream Port handshake detected prior to
enumeration.



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