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Hardware References
J1
J2
J3
J4
J5
J6
D1
D2
D3
D4
D5
D6
D7
D8
D9
R172-R195
C128-C151
S1
12
TMDSCNCD28P65X controlCARD Information Guide
Table 6-1. Hardware Connections
Connectors
Emulation/UART connector/Power - USB-C connector used to provide XDS110 emulation and USB-to-
UART (SCI) communication through MSP432 logic. S1 determines which connections are enabled to the
MCU.
The USB-C connector also provides power on the controlCARD.
microSD card slot – connects to MCU via SPI
FSI Header
Type C USB Connector - Data Peripheral to MCU
EtherCAT P0 – RJ45 connector
EtherCAT P1 – RJ45 connector
Table 6-2. LEDs
Turns on when JTAG logic is powered on (green)
Turns on (red) when 5 V is supplied to the controlCARD
(5 V can be supplied either through the USB-C connector or externally through the HSEC connector)
Controlled by GPIO31 with negative logic (red)
Controlled by GPIO34 with negative logic (red)
JTAG/UART RX toggle indicator (blue)
JTAG/UART TX toggle indicator (blue)
Turns on (green) when 3.3V is supplied to the controlCARD from the on-board DC-DC (U3)
Controlled by GPIO–145, EtherCAT Error LED (red)
Controlled by GPIO–146, EtherCAT Run LED (green)
Table 6-3. Resistors and Capacitors
Resistors and Capacitors
ADC RC input filter resistors: Series resistors which can be used to create an RC filter on the ADC's
input.
ADC RC input filter capacitors: Optional capacitors, not populated by default, for the ADC input's RC
filter
Table 6-4. Switches
Isolated emulation and UART communication enable switches:
S1 Position 1 – USB JTAG Enable:
•
ON (default)– All 4 JTAG signals from the embedded XDS110 emulation logic are passed across the
isolation barrier and connected to the MCU. This setting is valid when the MCU is being debugged or
programmed using the embedded XDS110 emulator.
•
OFF – The 4 JTAG signals from the embedded XDS110 emulation logic are passed across the
isolation barrier and are NOT connected to the MCU. This setting is valid when the device boots from
FLASH, boots from a peripheral directly, or when an external JTAG emulator is used.
S1 Position 2 – USB UART communication enable:
•
ON (default)– The C2000 MCU GPIO28 is connected to the embedded XDS110. This allows UART
communication to a computer COM port. However in this position, GPIO28 and GPIO29 are reserved
for COM port use. The corresponding pins on the 180-pin controlCARD connector cannot be used for
another function.
•
OFF – The C2000 MCU GPIO28 is NOT connected to the embedded XDS110. The corresponding pins
on the 180-pin controlCARD connector can be used for another function.
Copyright © 2023 Texas Instruments Incorporated
LEDs
Switches
SPRUJ90A – MARCH 2023 – REVISED JULY 2023
www.ti.com
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