ATxmega32C4 PR registers

The 6 registers of PR (Power Reduction), from 0x70, with their reset value and every field. The ATxmega32C4 has 463 registers in 47 peripherals, one page each.

PR Power Reduction

PRGENGeneral Power Reduction

Address
0x70
Reset
0x00
Access
read/write
  1. 7–
  2. 6USB
  3. 5–
  4. 4AES
  5. 3–
  6. 2RTC
  7. 1EVSYS
  8. 0DMA
5 fields
FieldBitsWhat it does
USB6USB
AES4AES
RTC2Real-time Counter
EVSYS1Event System
DMA0DMA-Controller

PRPAPower Reduction Port A

Address
0x71
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1ADC
  8. 0AC
2 fields
FieldBitsWhat it does
ADC1Port A ADC
AC0Port A Analog Comparator

PRPCPower Reduction Port C

Address
0x73
Reset
0x00
Access
read/write
  1. 7–
  2. 6TWI
  3. 5USART1
  4. 4USART0
  5. 3SPI
  6. 2HIRES
  7. 1TC1
  8. 0TC0
7 fields
FieldBitsWhat it does
TWI6Port C Two-wire Interface
USART15Port C USART1
USART04Port C USART0
SPI3Port C SPI
HIRES2Port C AWEX
TC11Port C Timer/Counter1
TC00Port C Timer/Counter0

PRPDPower Reduction Port D

Address
0x74
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4USART0
  5. 3SPI
  6. 2–
  7. 1–
  8. 0TC0
3 fields
FieldBitsWhat it does
USART04Port D USART0
SPI3Port D SPI
TC00Port D Timer/Counter0

PRPEPower Reduction Port E

Address
0x75
Reset
0x00
Access
read/write
  1. 7–
  2. 6TWI
  3. 5–
  4. 4USART0
  5. 3–
  6. 2–
  7. 1–
  8. 0TC0
3 fields
FieldBitsWhat it does
TWI6Port E Two-wire Interface
USART04Port E USART0
TC00Port E Timer/Counter0

PRPFPower Reduction Port F

Address
0x76
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4USART0
  5. 3–
  6. 2–
  7. 1–
  8. 0TC0
2 fields
FieldBitsWhat it does
USART04Port F USART0
TC00Port F Timer/Counter0