ATSAM3X4EA-AU Atmel, ATSAM3X4EA-AU Datasheet - Page 467
ATSAM3X4EA-AU
Manufacturer Part Number
ATSAM3X4EA-AU
Description
ARM Microcontrollers - MCU QFP144,GREEN, IND TEMP, MRL A
Manufacturer
Atmel
Datasheet
1.ATSAM3X8EA-AU.pdf
(1467 pages)
Specifications of ATSAM3X4EA-AU
Rohs
yes
Core
ARM Cortex M3
Processor Series
SAM3X
Data Bus Width
32 bit
Maximum Clock Frequency
84 MHz
Program Memory Size
256 KB
Data Ram Size
64 KB
On-chip Adc
Yes
Operating Supply Voltage
2.4 V to 3.6 V
Operating Temperature Range
- 40 C to +85 C
Package / Case
LQFP-144
Mounting Style
SMD/SMT
Factory Pack Quantity
60
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27.16.2.2
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.
11057B–ATARM–28-May-12
11057B–ATARM–28-May-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
–
467
467
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