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USB5916C/KD 데이터시트(PDF) 31 Page - Microchip Technology

부품명 USB5916C/KD
상세설명  6-Port USB 3.2 Gen 1 SmartHubTM IC with Support for a USB Type-C짰 UFP and DFP
PDF  66 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB5916C/KD 데이터시트(HTML) 31 Page - Microchip Technology

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USB5916C
DS00003189C-page 30
2022 Microchip Technology Inc. and its subsidiaries
8.1.2
INTERNAL USB3.1 GEN 1 MULTIPLEXER, “TYPE-C CONTROL MODE 1”
“Type-C Control Mode 1” is enabled by setting the
ALT_MUX_EN signal low or leaving it floating. While in “Type-C Con-
trol Mode 1”, the
C_ATTACH[0:1] and AB[0:1] pins are used together to signal to the hub when a valid USB Type-C
connection has been detected and in what orientation the connection has been detected. This functionality requires an
external USB Type-C controller such as a Microchip UTC2000 to monitor the USB Type-C receptacle for a valid attach.
These signal are used to enable/disable the USB 3.1 Gen 1 PHYs appropriately according to the detected Type-C attach
and orientation. Unused USB 3.1 Gen 1 PHYs are disabled to conserve power.
The polarity of the
C_ATTACH[0:1] pins and AB[0:1] are controlled by the CC_POL pin. See Table 3-6 for details.
A diagram of a USB Type-C Downstream Facing Port with the USB5916C, Microchip UTC2000, and internal multiplexer
operating in “Type-C Control Mode 1” is shown in Figure 8-2.
A diagram of a USB Type-C Upstream Facing Port with the USB5916C, Microchip UTC2000, and internal multiplexer
operating in “Type-C Control Mode 1” is shown in Figure 8-3.
FIGURE 8-2:
UFP TYPE-C PORT WITH MICROCHIP UTC2000 & INTERNAL MUX (MODE 1)
USB Type-C
Internal Mux
Downstream Port
VBUS
SSTXA+
SSTXA-
SSRXA+
SSRXA-
SSTXB+
SSTXB-
SSRXB+
SSRXB-
D+
D-
CC1
CC2
GENERIC
PORT PWR
CTLR
POWER
OCS
SSTXA+
SSTXA-
SSRXA+
SSRXA-
SSTXB+
SSTXB-
SSRXB+
SSRXB-
D+
D-
PRTCTL
USB Type-C
USB Type-C
Control Mode 1
UTC2000
UFP Mode
ENABLE
OCS#
PLUG_OR#
PPC_EN
CC1
CC2
AB
C_ATTACH
ALT_MUX_EN
CC_POL
3.3V



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