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TUSB8044AI 数据表(PDF) 52 Page - Texas Instruments

部件名 TUSB8044AI
功能描述  four-port USB 3.2 x1 Gen1 hub with USB billboard
PDF  63 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

TUSB8044AI 数据表(HTML) 52 Page - Texas Instruments

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4.7k
R24
9.53k
1%
R25
1uF
C62
GND
1
2
24M Hz
Y1
1M
R20
8pF
C60
8pF
C61
GND
3P3V
4.7k DNI
R21
4.7k DNI
R22
GRST
50
XI
62
XO
61
USB_R1
64
SMBUS/SS_SUSPEND
39
PWRCTL_POL
41
TEST
49
U1G
TUSB8044ARGCR
100k
R19
100k
R20
3P3V
GND
HPDIN
HPDIN
DP_hub_DP1P
DP_hub_DP1M
DP_hub_DP0P
DP_hub_DP0M
0.1µF
C39
0.1µF
C40
0.1µF
C41
0.1µF
C42
DP0P
DP0M
DP1P
DP1M
GND
DP_hub_HPD
U7
DP HUB/ Redriver
For HDMI
FOR DVI
Driver
Driver
Driver
Driver
AUX_P
AUX_M
1M
R18
1M
R17
UFP_SBU2
UFP_SBU1
3P3V
GND
0.2µF
C45
0.2µF
C46
AUXSRC_P
AUXSRC_M
0.2µF
C43
0.2µF
C44
0.1µF
C47
0.1µF
C48
0.1µF
C49
0.1µF
C50
DP_hub_DP0P
DP_hub_DP0M
DP_hub_DP1P
DP_hub_DP1M
ML1_P
4
ML1_N
6
ML0_P
1
ML0_N
3
ML3_P
10
ML3_N
12
ML2_P
7
ML2_N
9
DP_PWR
20
AUX_P
15
AUX_N
17
HPD
18
CONFIG1
13
GND
2
GND
5
GND
8
GND
11
CONFIG2
14
GND
16
GND
21
GND
22
GND
23
GND
24
RTN
19
U?
DisplayPort Receptacle
1M
R21
5M
R22
3P3V
52
TUSB8044A
SLLSF92 – FEBRUARY 2019
www.ti.com
Product Folder Links: TUSB8044A
Submit Documentation Feedback
Copyright © 2019, Texas Instruments Incorporated
9.2.1.2.8
DisplayPort Implementation
The DisplayPort interface can be implemented with a DisplayPort MST Hub or a DisplayPort redriver/retimer. The
main channels and the AUX channels are connected to the DP receptacle after the HUB.
Figure 45. DisplayPort Implementation
9.2.1.2.9
Clock, Reset, and Misc
The PWRCTL_POL is left unconnected which results in active high power enable (PWRCTL1, PWRCTL2,
PWRCTL3, and PWRCTL4) for a USB VBUS power switch. SMBUSz pin is also left unconnected which will
select I2C mode. Both PWRCTL_POL and SMBUSz pins have internal pull-ups. The 1 µF capacitor on the
GRSTN pin can only be used if the VDD11 supply is stable before the VDD33 supply. The depending on the
supply ramp of the two supplies the capacitor size may have to be adjusted.
Figure 46. Clock, Reset, and Misc



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