SAM3A4C Atmel Corporation, SAM3A4C Datasheet - Page 465
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
SAM3A4C
Manufacturer Part Number
SAM3A4C
Description
Manufacturer
Atmel Corporation
- Current page: 465 of 1465
- Download datasheet (26Mb)
26.16.2.2
Name: NFCADDR_CMD
Access: Read-write
Reset: 0x00000000
• CMD1: Command Register Value for Cycle 1
If NFCCMD is set, when a read or write access occurs, the NFC sends this command.
• CMD2: Command Register Value for Cycle 2
If NFCCMD and VCMD2 field are set to one, the NFC sends this command after CMD1.
• VCMD2: Valid Cycle 2 Command
When set to true, the CMD2 field is issued after addressing cycle.
• ACYCLE: Number of Address required for the current command
When ACYCLE field is different from zero, ACYCLE Address cycles are performed after Command Cycle 1. The maximum
number of cycles is 5.
• CSID: Chip Select Identifier
Chip select used
• NFCEN: NFC Enable
When set to true, the NFC will automatically read or write data after the command.
• NFCWR: NFC Write Enable
0: The NFC reads data from the NAND Flash.
1: The NFC writes data into the NAND Flash.
• NFCCMD: NFC Command Enable
If set to true, CMD indicates that the NFC shall execute the command encoded in the NFCADDR_CMD.
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
31
23
15
–
7
CSID
NFC Address Command
30
22
14
–
6
29
21
13
–
5
CMD2
CMD1
ACYCLE
28
20
12
–
4
NFCCMD
27
19
11
3
NFCWR
VCMD2
26
18
10
2
NFCEN
25
17
9
1
–
CMD2
CMD1
SAM3X/A
SAM3X/A
CSID
24
16
8
0
–
465
465
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