ZHCSV76A June 2022 – March 2024 TMS570LC4357-SEP
PRODUCTION DATA
請(qǐng)參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
As shown in Figure 8-9, the ePWMxSOCA and ePWMxSOCB outputs from each ePWM module are used to generate four signals – ePWM_B, ePWM_A1, ePWM_A2, and ePWM_AB, that are available to trigger the ADC based on the application requirement.
Figure 8-9 ADC
Trigger Source Generation from ePWMx| CONTROL BIT | SOC OUTPUT |
|---|---|
| PINMMR164[0] | SOC1A_SEL |
| PINMMR164[8] | SOC2A_SEL |
| PINMMR164[16] | SOC3A_SEL |
| PINMMR164[24] | SOC4A_SEL |
| PINMMR165[0] | SOC5A_SEL |
| PINMMR165[8] | SOC6A_SEL |
| PINMMR165[16] | SOC7A_SEL |
The SOCA output from each ePWM module is connected to a "switch" shown in Figure 8-9. This switch is implemented by using the control registers in the PINMMR module. Figure 8-10 is an example of the implementation is shown for the switch on SOC1A. The switches on the other SOCA signals are implemented in the same way.
Figure 8-10 ePWM1SOC1A Switch ImplementationThe logic equations for the four outputs from the combinational logic shown in Figure 8-9 are:
| ePWM_B = | SOC1B or SOC2B or SOC3B or SOC4B or SOC5B or SOC6B or SOC7B | (1) |
| ePWM_A1 = | [ SOC1A and not(SOC1A_SEL) ] or [ SOC2A and not(SOC2A_SEL) ] or [ SOC3A and not(SOC3A_SEL) ] or | (2) |
| [ SOC4A and not(SOC4A_SEL) ] or [ SOC5A and not(SOC5A_SEL) ] or [ SOC6A and not(SOC6A_SEL) ] or | ||
| [ SOC7A and not(SOC7A_SEL) ] | ||
| ePWM_A2 = | [ SOC1A and SOC1A_SEL ] or [ SOC2A and SOC2A_SEL ] or [ SOC3A and SOC3A_SEL ] or | (3) |
| [ SOC4A and SOC4A_SEL ] or [ SOC5A and SOC5A_SEL ] or [ SOC6A and SOC6A_SEL ] or | ||
| [ SOC7A and SOC7A_SEL ] | ||
| ePWM_AB = | ePWM_B or ePWM_A2 | (4) |