Datasheet

46
XMEGA B [DATASHEET]
8291B–AVR–01/2013
4.19 Register Summary - NVM Controller
4.20 Register Summary - Fuses and Lock Bits
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page
+0x00 ADDR0 Address Byte 0 25
+0x01 ADDR1 Address Byte 1 25
+0x02 ADDR2 Address Byte 2 25
+0x03 Reserved – – – – – – – –
+0x04 DATA0 Data Byte 0 26
+0x05 DATA1 Data Byte 1 26
+0x06 DATA2 Data Byte 2 26
+0x07 Reserved – – – – – – – –
+0x08 Reserved – – – – – – – –
+0x09 Reserved – – – – – – – –
+0x0A CMD – CMD[6:0] 26
+0x0B CTRLA
– – – – – – – CMDEX 27
+0x0C CTRLB
– – – – EEMAPEN FPRM EPRM SPMLOCK 27
+0x0D INTCTRL
– – – – SPMLVL[1:0] EELVL[1:0] 28
+0x0E Reserved – – – – – – – –
+0x0F STATUS NVMBUSY FBUSY – – – – EELOAD FLOAD 28
+0x10 LOCKBITS BLBB[1:0] BLBA[1:0] BLBAT[1:0] LB[1:0] 29
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Page
+0x00 FUSEBYTE JTAGUID 30
+0x01 FUSEBYTE WDWPER3:0] WDPER[3:0] 30
+0x02 FUSEBYTE
– BOOTRST TOSCSEL – – – BODPD[1:0] 30
+0x03 Reserved – – – – – – – –
+0x04 FUSEBYTE – – – RSTDISBL STARTUPTIME[1:0] WDLOCK JTAGEN 31
+0x05 FUSEBYTE
– – BODACT[1:0] EESAVE BODLEVEL[2:0] 32
+0x06 Reserved – – – – – – – –
+0x07 LOCKBITS BLBB[1:0] BLBA[1:0] BLBAT[1:0] LB[1:0] 34