ZHCSHE0 December 2017 TMS320F28377D-EP
PRODUCTION DATA.
IDLE, STANDBY, and HALT modes on this device are similar to those on other C28x devices. Table 4-27 describes the effect on the system when any of the clock-gating low-power modes are entered.
| MODULES/ CLOCK DOMAIN | CPU1 IDLE | CPU1 STANDBY | CPU2 IDLE | CPU2 STANDBY | HALT |
|---|---|---|---|---|---|
| CPU1.CLKIN | Active | Gated | N/A | N/A | Gated |
| CPU1.SYSCLK | Active | Gated | N/A | N/A | Gated |
| CPU1.CPUCLK | Gated | Gated | N/A | N/A | Gated |
| CPU2.CLKIN | N/A | N/A | Active | Gated | Gated |
| CPU2.SYSCLK | N/A | N/A | Active | Gated | Gated |
| CPU2.CPUCLK | N/A | N/A | Gated | Gated | Gated |
| Clock to modules Connected to PERx.SYSCLK | Active | Gated if CPUSEL.PERx = CPU1 | Active | Gated if CPUSEL.PERx = CPU2 | Gated |
| CPU1.WDCLK | Active | Active | N/A | N/A | Gated if CLKSRCCTL1.WDHALTI = 0 |
| CPU2.WDCLK | N/A | N/A | Active | Active | Gated |
| AUXPLLCLK | Active | Active | Active | Active | Gated |
| PLL | Powered | Powered | Powered | Powered | Software must power down PLL before entering HALT |
| INTOSC1 | Powered | Powered | Powered | Powered | Powered down if CLKSRCCTL1.WDHALTI = 0 |
| INTOSC2 | Powered | Powered | Powered | Powered | Powered down if CLKSRCCTL1.WDHALTI = 0 |
| Flash | Powered | Powered | Powered | Powered | Software-Controlled |
| X1/X2 Crystal Oscillator | Powered | Powered | Powered | Powered | Powered-Down |