ATxmega128B3 MCU registers

The 9 registers of MCU (MCU Control), from 0x90, with their reset value and every field. The ATxmega128B3 has 419 registers in 43 peripherals, one page each.

MCU MCU Control

DEVID0Device ID byte 0

Address
0x90
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1–
  8. 0–

DEVID1Device ID byte 1

Address
0x91
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1–
  8. 0–

DEVID2Device ID byte 2

Address
0x92
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1–
  8. 0–

REVIDRevision ID

Address
0x93
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1–
  8. 0–

JTAGUIDJTAG User ID

Address
0x94
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1–
  8. 0–

MCUCRMCU Control

Address
0x96
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1–
  8. 0JTAGD
1 field
FieldBitsWhat it does
JTAGD0JTAG Disable

ANAINITAnalog Startup Delay

Address
0x97
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3STARTUPDLYB1
  6. 2STARTUPDLYB0
  7. 1STARTUPDLYA1
  8. 0STARTUPDLYA0
2 fields
FieldBitsWhat it does
STARTUPDLYB3:2Analog startup delay Port B
STARTUPDLYA1:0Analog startup delay Port A

EVSYSLOCKEvent System Lock

Address
0x98
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4EVSYS1LOCK
  5. 3–
  6. 2–
  7. 1–
  8. 0EVSYS0LOCK
2 fields
FieldBitsWhat it does
EVSYS1LOCK4Event Channel 4-7 Lock
EVSYS0LOCK0Event Channel 0-3 Lock

AWEXLOCKAWEX Lock

Address
0x99
Reset
0x00
Access
read/write
  1. 7–
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2–
  7. 1–
  8. 0AWEXCLOCK
1 field
FieldBitsWhat it does
AWEXCLOCK0AWeX on T/C C0 Lock