Texas Instruments DRV814x-Q1EVM, Руководство пользователя, Страница: 10 / 22

Figure 3-7. EVM LED Indicators
Refer to Table 3-3 for descriptions of each LED on the EVM
Table 3-3. EVM LED Indicators and their Functions
Designator Label Description
D1 Status Indicates MCU execution and DRV status.
Flashing approximately 0.1 Hz: DRV in sleep
mode
Flashing approximately 1 Hz: DRV ready,
outputs disabled
Continuously on: DRV output enabled/ active
Alternating with nFAULT: MCU abort
exception
D2 nFAULT Indicates fault condition. Normally off. It is
also normal to briefly see this LED flash
when the MCU becomes active, or RESET
is pressed. This LED may flash continuously
until VM power supply is turned on.
D3 VM VM supply indicator. Normally on if supply
connected to +BAT input.
D5 MODE EZFET_LITE mode indicator. Normally on
during GUI control. On/ flashing when using
JTAG interface.
D6 PWR EZFET_LITE power indicator (must be active
for GUI control).
D7 3V3 3.3 V for MCU (must be active for GUI
control).
Evaluation Hardware Overview www.ti.com
10 DRV824x_DRV814x-Q1EVM User’s Guide SLVUC46A – MARCH 2021 – REVISED JULY 2021
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