SAM L21 peripherals are partitioned into five different power domains. The partitioning can be seen in Table 1 and Figure 1.
PDBACKUP | PDTOP | PD0 | PD1 | PD2 |
---|---|---|---|---|
OSC32CTRL | EIC | AC | AES | CORE |
PM | PORT | ADC | AHB-APB Bridges | DSU |
RSTC | WDT | CCL | DAC | SRAM |
RTC | EVSYS | DMAC | USB | |
SUPC | GCLK | I2S | Flash | |
MCLK | PAC | |||
OPAMP | SERCOM | |||
OSCCTRL | TC | |||
PTC | TCC | |||
LP TC | TRNG | |||
LP SERCOM | LP SRAM |