Memory Invalid
Enable VOUT_3V3
Release RESETZ
Check VBUS
Present
Rp/Rp
Check for
Rd/Rd
Present SWD
Monitor VBUS
VBUS Good
Rd/Rd Attached
VBUS Invalid
Rd/Rd Not
Attached
Figure 9-59. Memory Invalid Flow
9.4.8 UART Download
the secondary TPS65982 downloads the needed application code from the primary TPS65982 via UART. Figure
9-60 shows the UART download process.
Currently the TPS65982 firmware only supports 2 device (1 primary + 1 secondary) systems.
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TPS65982
SLVSD02E – MARCH 2015 – REVISED AUGUST 2021
Copyright © 2021 Texas Instruments Incorporated
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