Data Sheet

363
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
21.7 Register Summary
Table 21-4. Register Summary
Note: 1. The RWWEEP[12:0] bits are only available in Device Variant B. In Device Variant A these bits are reserved.
Offset Name
Bit
Pos.
0x00
CTRLA
7:0 CMD[6:0]
0x01 15:8 CMDEX[7:0]
0x02 Reserved
0x03 Reserved
0x04
CTRLB
7:0 MANW RWS[3:0]
0x05 15:8 SLEEPPRM[1:0]
0x06 23:16
CACHEDIS READMODE[1:0]
0x07 31:24
0x08
PARAM
7:0 NVMP[7:0]
0x09 15:8 NVMP[15:8]
0x0A 23:16
PSZ[2:0]
0x0B 31:24
0x08
PARAM
7:0 NVMP[7:0]
0x09 15:8 NVMP[15:8]
0x0A 23:16 RWWEEP[3:0]
PSZ[2:0]
0x0B 31:24 RWWEEP[12:4]
0x0C INTENCLR 7:0
ERROR READY
0x0D
...
0x0F
Reserved
0x10 INTENSET 7:0 ERROR READY
0x11
...
0x13
Reserved
0x14 INTFLAG 7:0 ERROR READY
0x15
...
0x17
Reserved
0x18
STATUS
7:0 NVME LOCKE PROGE LOAD PRM
0x19 15:8
SB
0x1A Reserved
0x1B Reserved
0x1C
ADDR
7:0 ADDR[7:0]
0x1D 15:8 ADDR[15:8]
0x1E 23:16
ADDR[21:16]
0x1F 31:24
0x20
LOCK
7:0 LOCK[7:0]
0x21 15:8 LOCK[15:8]