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USB7252C 数据表(PDF) 17 Page - Microchip Technology

部件名 USB7252C
功能描述  4-Port USB 3.2 Gen 2 Type-C짰 Controller Hub
PDF  63 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB7252C 数据表(HTML) 17 Page - Microchip Technology

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2021 Microchip Technology Inc.
DS00003852A-page 17
External 25 MHz
Crystal Output
XTALO
OCLK
External 25 MHz crystal output
Float
(only if sin-
gle-ended
clock is
connected
to CLK_IN)
Configuration Straps
Port 4-1 D+
Disable
Configuration
Strap
PRT_DIS_P[4:1]
I
Port 4-1 D+ Disable Configuration Strap.
These configuration straps are used in con-
junction with the corresponding
PRT_DIS_M[4:1] straps to disable the
related port (4-1). See Note 3-13.
Both USB data pins for the corresponding
port must be tied to 3.3V to disable the
associated downstream port.
N/A
Port 4-1 D-
Disable
Configuration
Strap
PRT_DIS_M[4:1]
I
Port 4-1 D- Disable Configuration Strap.
These configuration straps are used in con-
junction with the corresponding
PRT_DIS_P[4:1] straps to disable the
related port (4-1). See Note 3-13.
Both USB data pins for the corresponding
port must be tied to 3.3V to disable the
associated downstream port.
Mandatory
Note 3-12
Non-Removable
Ports
Configuration
Strap
CFG_NON_REM
I
Non-Removable Ports Configuration Strap.
This configuration strap controls the number
of reported non-removable ports. See
Note 3-13 .
Note 3-10
Mandatory if external SPI
memory is not used for
firmware e xe cu tion . If
external SPI memory is
us ed
fo r
firmwa re
ex ec utio n,
the n
configuration strap resistor
should be omitted.
Note 3-10
TABLE 3-1:
PIN DESCRIPTIONS (CONTINUED)
Name
Symbol
Buffer
Type
Description
If Unused



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