SAM3N4A Atmel Corporation, SAM3N4A Datasheet - Page 288
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SAM3N4A
Manufacturer Part Number
SAM3N4A
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N4A
Flash (kbytes)
256 Kbytes
Pin Count
48
Max. Operating Frequency
48 MHz
Cpu
Cortex-M3
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
79
Ext Interrupts
79
Quadrature Decoder Channels
2
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
2
Uart
3
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
24
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
6
Output Compare Channels
6
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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18.4.2
Name:
Address:
Access:
Offset:
• FCMD: Flash Command
This field defines the flash commands. Refer to
• FARG: Flash Command Argument
• FKEY: Flash Writing Protection Key
This field should be written with the value 0x5A to enable the command defined by the bits of the register. If the field is writ-
ten with a different value, the write is not performed and no action is started.
288
Erase command
Programming command
Lock command
GPNVM command
Get commands
Unique Identifier commands
31
23
15
7
SAM3N
EEFC Flash Command Register
30
22
14
EEFC_FCR
0x400E0A04
Write-only
0x04
6
For erase all command, this field is meaningless.
FARG defines the page number to be programmed.
FARG defines the page number to be locked.
FARG defines the GPNVM number.
Field is meaningless.
Field is meaningless.
29
21
13
5
“Flash Commands” on page
28
20
12
4
FCMD
FARG
FARG
FKEY
27
19
11
3
279.
26
18
10
2
25
17
9
1
11011A–ATARM–04-Oct-10
24
16
8
0
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