Reset
C2000 Microcontroller Workshop - Reset and Interrupts 4 - 3
Reset
Reset Sources
POR – Power-on Reset generates a device reset during
power-up conditions
BOR – Brown-out Reset generates a device reset if the
power supply drops below specification for the device
Note: Devices support an on-chip voltage regulator (VREG) to
generate the core voltage
Watchdog Timer
XRS pin active
To XRS pin
F28x core
XRS
Power-on Reset
Brown-out Reset
Missing Clock Detect
Logic shown is functional representation, not actual implementation
There are various reset sources available for this device: an external reset pin, watchdog timer
reset, power-on reset which generates a device reset during power-up conditions, brownout reset
which generates a device reset if the power supply drops below specifications for the device, as
well as a missing clock detect reset. Additionally, the device incorporates an on-chip voltage
regulator to generate the core voltage.