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2.5.7 UARTs for Terminal and Logging
Four UARTs ports are provided for terminal and logging functions using a UART-over-USB transceiver. When
the USB micro-B connector (J6) of the EVM is connected to a Host-PC using supplied USB cable (Type-A
to Micro-B), the computer can establish Virtual Com Ports which can be used with any terminal emulation
application. Virtual Com Port drivers for the transceiver (FT4232HL) can be obtained from
Depending on the other Host-PC resources available, the Virtual COM Ports are not located at COM1-4.
However, the ports remain in the same numerical order.
Processor UART
WKUP_UART0
MCU_UART0
The circuit is powered through BUS power, therefore the COM connection is not lost when the EVM power is
removed. An LED [LD1] is used to indicate an active COM connection with Host-PC.
2.5.8 USB Interfaces
The EVM supports up to four USB3.0 Gen1 interfaces, three Type A ports [J14][J17] plus one USB3.0 Gen1 port
on the Type C port [J17]. The USB3.0 ports are connected to on-board USB hub (TUSB8041) and support only
DFP mode. The Type C port [J17] has option (and defaults) to support USB2.0 multiple roles (DFP/UFP/DRP).
This provides support for the USB boot modes of the processor. Refer to
specifics on configuration and selection of the Type C connector.
The combined VBUS output for the Type A ports is limited to 2.8A. The VBUS output for the Type C port is
limited to 1.5A. The EVM cannot be powered from these ports.
2.6 Expansion Interfaces
The EVM supports expansion interfaces that have non-standard/custom pinouts. Each of those interfaces are
introduced and specific pin information is provided.
2.6.1 Camera Interface, 22-Pin Flex
The EVM supports four 22-pin flex (0.5mm pitch) connectors [J1][J2] [J33] [J34] for interfacing with camera
modules. Each camera interface provides MIPI CSI-2 interface (4 lanes), clock or control signals, and power
(3.3V) to the camera. The camera interfaces are shared/multiplexed between the 22-pin flex connectors and the
40-pin high speed expansion. See
To enable identical camera modules to be used simultaneously, I2C mux is used to select each camera
(TCA9543). The voltage level for Clock/Control signals is selectable between 1.8V and 3.3V. See
for details.
Pin #
1
2
3
4
5
6
7
8
9
10
SPRUJB5 – FEBRUARY 2024
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Table 2-5. UART to COM Port Mapping
UART0
UART5
Section 2.7.4
for details on selection control.
Table 2-6. Camera Flex Pin Definition [J1]
Pin Name
GND
Ground
CSI3_D0_N
CSIPort 3 Data Lane 0
CSI3_D0_P
CSIPort 3 Data Lane 0
GND
Ground
CSI3_D1_N
CSIPort 3 Data Lane 1
CSI3_D1_P
CSIPort 3 Data Lane 1
GND
Ground
CSI3_CLK_N
CSIPort 3 CLK
CSI3_CLK_P
CSIPort 3 CLK
GND
Ground
Copyright © 2024 Texas Instruments Incorporated
Host-PC COM Port
COM 1
COM 2
COM 3
COM 4
Section 2.7.4
tables for programming
Description
J722SXH01 Evaluation Module
Hardware
FTDI
Chip.
Section 2.7.4
Dir
Output
Input
Input
Input
Input
Input
Input
11
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