SPRUIW9C October 2021 – March 2024 TMS320F280033 , TMS320F280034 , TMS320F280034-Q1 , TMS320F280036-Q1 , TMS320F280036C-Q1 , TMS320F280037 , TMS320F280037-Q1 , TMS320F280037C , TMS320F280037C-Q1 , TMS320F280038-Q1 , TMS320F280038C-Q1 , TMS320F280039 , TMS320F280039-Q1 , TMS320F280039C , TMS320F280039C-Q1
IDLE and HALT modes on this device are similar to those on other C28x devices. Table 3-10 describes the effect on the system when any of the clock-gating low-power modes are entered.
| Modules/ Clock Domain |
IDLE | STANDBY | HALT |
|---|---|---|---|
| SYSCLK | Active | Gated | Gated |
| CPUCLK | Gated | Gated | Gated |
| Clock to modules connected to PERx.SYSCLK | Active | Gated | Gated |
| WDCLK | Active | Active | Gated if CLKSRCCTL1.WDHALTI = 0 |
| PLL | Powered | Powered | Software must power down PLL before entering HALT. |
| INTOSC1 | Powered | Powered | Powered down if CLKSRCCTL1.WDHALTI = 0 |
| INTOSC2 | Powered | Powered | Powered down if CLKSRCCTL1.WDHALTI = 0 |
| Flash(1) | Powered | Powered | Powered |
| XTAL(2) | Powered | Powered | Powered |