Datasheet

LS1046A
5V0
USB
3.0
type A
GSB 311
231HR
USB 1_DR VVB US
USB 1_RESRE F
USB 1_PW RFAULT
USB 1_VB US
USB1_5V
90W diff. imp.
USB 1_D_[P ,M]
USB 1_ID
USB 1_TX_[P ,M]
USB 1_R X_[P ,M]
<=2A
USB 1
NX5P 3090UK
Host Mode
USB 2_R ESR E F
IIC3_SCL
USB 2_VB US
90W diff. imp.
USB 2_DP,DM
USB 2_ID
USB 2_TXP ,TXM
USB 2_R XP,RXM
USB 2
USB3.0 Stacked
1x2 VE RTICAL
RIGHT-ANGLE
200
49.9
74LVC1G04GW
IIC 3_SDA
<=2A
200
Host Mode
49.9
USB 2_5V
NX5P 3090UK
74LVC1G04GW
NX3DV42GU
USB2_DR VVB US _I2C3_SCL
USB2_PW RFAULT_I2C3_SDA
5V0
3V3
Level translate
74LVC2T45DC
GP IO3_23
USB2_PW RFAULT#
USB 2_DR VVB US
I2C3_USB2_SEL
GP IO3_23=================>
GP IO3_23=0 for I2C3 on header ->Default
GP IO3_23=1 for US B2_DR VVB US/PW RFAULT
I2C3
Figure 14. USB diagram
The table below describes the FRWY-LS1046A USB connections.
Table 11. USB connections
USB controller Connector Supported mode Supported speed
USB1 Stacked 1x2 USB 3.0
Type A connector (J70:
GSB311231HR)
Host Super-speed (5 Gbit/s), high-speed (480 Mbit/s), full-
speed (12 Mbit/s), and low-speed (1.5 Mbit/s)
USB2 Host Super-speed (5 Gbit/s), high-speed (480 Mbit/s), full-
speed (12 Mbit/s), and low-speed (1.5 Mbit/s)
The USBx_DRVVBUS and USBx_PWRFAULT pins of each USB controller are connected to a programmable-current USB switch,
NX5P3090UK (U40 and U550), for individual port management. Each USB switch is powered from the 5 V power supply. To
indicate power fault conditions, a USB switch sends a PWRFAULT signal to the corresponding USB controller. For each port of
the dual-port USB connector, the corresponding USB switch drives a VBUS signal when USBx_DRVVBUS = 1.
USB interface
Layerscape FRWY-LS1046A Board Reference Manual, Rev. 0, 26 April 2019
NXP Semiconductors
25