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TUSB8044AI Datasheet(PDF) 4 Page - Texas Instruments

Part # TUSB8044AI
Description  four-port USB 3.2 x1 Gen1 hub with USB billboard
PDF  63 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TUSB8044AI Datasheet(HTML) 4 Page - Texas Instruments

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1
USB_DP_DN1
48
USB_VBUS
2
USB_DM_DN1
47
OVERCUR2z
3
USB_SSTXP_DN1
46
OVERCUR1z
4
USB_SSTXM_DN1
45
BBbmConfigured1/AUTOENz/
HS_SUSPEND
5
VDD
44
OVERCUR3z
6
USB_SSRXP_DN1
43
OVERCUR4z
7
USB_SSRXM_DN1
42
BBEN/GANGED,HS_UP
8
VDD
41
PWRCTL_POL
9
USB_DP_DN2
40
BBbmConfigured0/FULLAUTOz/
FULLPWRMGMTz/SS_UP
10
USB_DM_DN2
39
SMBUSz,SS_SUSPEND
11
USB_SSTXP_DN2
38
SCL/SMBCLK
12
USB_SSTXM_DN2
37
SDA/SMBDAT
13
VDD
36
PWRCTL1/BATEN1
14
USB_SSRXP_DN2
35
PWRCTL2/BATEN2
15
USB_SSRXM_DN2
34
VDD33
16
VDD33
33
PWRCTL3/BATEN3
Not to scale
Thermal
Pad
4
TUSB8044A
SLLSF92 – FEBRUARY 2019
www.ti.com
Product Folder Links: TUSB8044A
Submit Documentation Feedback
Copyright © 2019, Texas Instruments Incorporated
6 Pin Configuration and Functions
RGC Package
64 Pin (VQFN)
(Top View)
Pin Functions
PIN
I/O
DESCRIPTION
NAME
NO.
Clock and Reset Signals
GRSTz
50
I, PU
Global power reset. This reset brings all of the TUSB8044A internal registers to their default
states. When GRSTz is asserted, the device is completely nonfunctional.
XI
62
I
Crystal input. This pin is the crystal input for the internal oscillator. The input may alternately
be driven by the output of an external oscillator. When using a crystal a 1-M
Ω feedback
resistor is required between XI and XO.
XO
61
O
Crystal output. This pin is the crystal output for the internal oscillator. If XI is driven by an
external oscillator this pin may be left unconnected. When using a crystal a 1-M
Ω feedback
resistor is required between XI and XO.
USB Upstream Signals
USB_SSTXP_UP
55
O
USB SuperSpeed transmitter differential pair (positive)
USB_SSTXM_UP
56
O
USB SuperSpeed transmitter differential pair (negative)
USB_SSRXP_UP
58
I
USB SuperSpeed receiver differential pair (positive)



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