Texas Instruments TMS320C6000 Reference Manual page 164

PWR
Return Value
Description
Example
4.12.4
PWR_SUPPORT
Constant
Description
Example
4-116
none
Calling this function forces the DSP to enter a power-down state. Refer
to the TMS320C6000 Peripherals Reference Guide (literature number
SPRU190) for a description of the power-down modes.
PWR_PowerDown(PWR_PD2);
A compile time constant whose value is 1 if the device
supports the PWR module
PWR_SUPPORT
Compile time constant that has a value of 1 if the device supports the
PWR module and 0 otherwise. You are not required to use this
constant.
Currently, all devices support this module.
#if (PWR_SUPPORT)
/* user PWR configuration /
#endif