ATSAML22N17A PM registers

The 7 registers of PM (Power Manager), from 0x40000400, with their reset value and every field. The ATSAML22N17A has 1261 registers in 40 peripherals, one page each.

PM Power Manager

CTRLAControl A

Address
0x40000400
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2IORET
  7. 1–
  8. 0–
1 field
FieldBitsWhat it does
IORET2I/O Retention

SLEEPCFGSleep Configuration

Address
0x40000401
Reset
0x02
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2SLEEPMODE2
  7. 1SLEEPMODE1
  8. 0SLEEPMODE0
1 field
FieldBitsWhat it does
SLEEPMODE2:0Sleep Mode
  • 2 CPU, AHBx, and APBx clocks are OFF
  • 4 All Clocks are OFF
  • 5 Only Backup domain is powered ON
  • 6 All power domains are powered OFF

PLCFGPerformance Level Configuration

Address
0x40000402
Reset
0x00
Access
read/write
  1. 7PLDIS
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1PLSEL1
  8. 0PLSEL0
2 fields
FieldBitsWhat it does
PLDIS7Performance Level Disable
PLSEL1:0Performance Level Select
  • 0 Performance Level 0
  • 1 Performance Level 1
  • 2 Performance Level 2

INTENCLRInterrupt Enable Clear

Address
0x40000404
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1–
  8. 0PLRDY
1 field
FieldBitsWhat it does
PLRDY0Performance Level Interrupt Enable

INTENSETInterrupt Enable Set

Address
0x40000405
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1–
  8. 0PLRDY
1 field
FieldBitsWhat it does
PLRDY0Performance Level Ready interrupt Enable

INTFLAGInterrupt Flag Status and Clear

Address
0x40000406
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1–
  8. 0PLRDY
1 field
FieldBitsWhat it does
PLRDY0Performance Level Ready

STDBYCFGStandby Configuration

Address
0x40000408
Reset
0x0400
Access
read/write
Size
16-bit
2 fields
FieldBitsWhat it does
BBIASHS11:10Back Bias for HMCRAMCHS
  • 0 Retention Back Biasing mode
  • 1 Standby Back Biasing mode
  • 2 Standby OFF mode
  • 3 Always OFF mode
VREGSMOD7:6Voltage Regulator Standby mode
  • 0 Automatic mode
  • 1 Performance oriented
  • 2 Low Power oriented