ATSAML22G18A PM registers The 7 registers of PM (Power Manager), from 0x40000400, with their reset value and every field. The ATSAML22G18A has 1065 registers in 38 peripherals, one page each.
PM Power Manager CTRLAControl A
Address 0x40000400
Reset 0x00
Access read/write 7 – 6 – 5 – 4 – 3 – 2 IORET 1 – 0 – 1 field
Field Bits What it does IORET 2 I/O Retention
SLEEPCFGSleep Configuration
Address 0x40000401
Reset 0x02
Access read/write 7 – 6 – 5 – 4 – 3 – 2 SLEEPMODE2 1 SLEEPMODE1 0 SLEEPMODE0 1 field
Field Bits What it does SLEEPMODE 2:0 Sleep Mode2 CPU, AHBx, and APBx clocks are OFF4 All Clocks are OFF5 Only Backup domain is powered ON6 All power domains are powered OFF
PLCFGPerformance Level Configuration
Address 0x40000402
Reset 0x00
Access read/write 7 PLDIS 6 – 5 – 4 – 3 – 2 – 1 PLSEL1 0 PLSEL0 2 fields
Field Bits What it does PLDIS 7 Performance Level Disable PLSEL 1:0 Performance Level Select0 Performance Level 01 Performance Level 12 Performance Level 2
INTENCLRInterrupt Enable Clear
Address 0x40000404
Reset 0x00
Access read/write 7 – 6 – 5 – 4 – 3 – 2 – 1 – 0 PLRDY 1 field
Field Bits What it does PLRDY 0 Performance Level Interrupt Enable
INTENSETInterrupt Enable Set
Address 0x40000405
Reset 0x00
Access read/write 7 – 6 – 5 – 4 – 3 – 2 – 1 – 0 PLRDY 1 field
Field Bits What it does PLRDY 0 Performance Level Ready interrupt Enable
INTFLAGInterrupt Flag Status and Clear
Address 0x40000406
Reset 0x00
Access read/write 7 – 6 – 5 – 4 – 3 – 2 – 1 – 0 PLRDY 1 field
Field Bits What it does PLRDY 0 Performance Level Ready
STDBYCFGStandby Configuration
Address 0x40000408
Reset 0x0400
Access read/write
Size 16-bit 2 fields
Field Bits What it does BBIASHS 11:10 Back Bias for HMCRAMCHS0 Retention Back Biasing mode1 Standby Back Biasing mode2 Standby OFF mode3 Always OFF mode VREGSMOD 7:6 Voltage Regulator Standby mode0 Automatic mode1 Performance oriented2 Low Power oriented