ATxmega128A3U MCU registers The 9 registers of MCU (MCU Control), from 0x90, with their reset value and every field. The ATxmega128A3U has 707 registers in 67 peripherals, one page each.
MCU MCU Control DEVID0Device ID byte 0
Address 0x90
Reset 0x00
Access read/write 7 – 6 – 5 – 4 – 3 – 2 – 1 – 0 – DEVID1Device ID byte 1
Address 0x91
Reset 0x00
Access read/write 7 – 6 – 5 – 4 – 3 – 2 – 1 – 0 – DEVID2Device ID byte 2
Address 0x92
Reset 0x00
Access read/write 7 – 6 – 5 – 4 – 3 – 2 – 1 – 0 – REVIDRevision ID
Address 0x93
Reset 0x00
Access read/write 7 – 6 – 5 – 4 – 3 – 2 – 1 – 0 – JTAGUIDJTAG User ID
Address 0x94
Reset 0x00
Access read/write 7 – 6 – 5 – 4 – 3 – 2 – 1 – 0 – MCUCRMCU Control
Address 0x96
Reset 0x00
Access read/write 7 – 6 – 5 – 4 – 3 – 2 – 1 – 0 JTAGD 1 field
Field Bits What it does JTAGD 0 JTAG Disable
ANAINITAnalog Startup Delay
Address 0x97
Reset 0x00
Access read/write 7 – 6 – 5 – 4 – 3 STARTUPDLYB1 2 STARTUPDLYB0 1 STARTUPDLYA1 0 STARTUPDLYA0 2 fields
Field Bits What it does STARTUPDLYB 3:2 Analog startup delay Port B STARTUPDLYA 1:0 Analog startup delay Port A
EVSYSLOCKEvent System Lock
Address 0x98
Reset 0x00
Access read/write 7 – 6 – 5 – 4 EVSYS1LOCK 3 – 2 – 1 – 0 EVSYS0LOCK 2 fields
Field Bits What it does EVSYS1LOCK 4 Event Channel 4-7 Lock EVSYS0LOCK 0 Event Channel 0-3 Lock
AWEXLOCKAWEX Lock
Address 0x99
Reset 0x00
Access read/write 7 – 6 – 5 – 4 – 3 AWEXFLOCK 2 AWEXELOCK 1 AWEXDLOCK 0 AWEXCLOCK 4 fields
Field Bits What it does AWEXFLOCK 3 AWeX on T/C F0 Lock AWEXELOCK 2 AWeX on T/C E0 Lock AWEXDLOCK 1 AWeX on T/C D0 Lock AWEXCLOCK 0 AWeX on T/C C0 Lock
BETA