SAM3U2C Atmel Corporation, SAM3U2C Datasheet - Page 317

• Manufacturer Part Number: SAM3U2C
• Manufacturer: Atmel Corporation

Specifications of SAM3U2C

• Flash (kbytes): 128 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 96 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 28
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 57
• Ext Interrupts: 57
• Usb Transceiver: 1
• Quadrature Decoder Channels: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device
• Spi: 4
• Twi (i2c): 1
• Uart: 4
• Ssc: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 12
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 36
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: No
• Nand Interface: Yes
• 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: Yes / No
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

21.4.3.7
21.5
The User Interface of the Enhanced Embedded Flash Controller (EEFC) is integrated within the System Controller with
base address 0x400E0800
Table 21-3.
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11
Offset
0x00
0x04
0x08
0x0C
0x10
Enhanced Embedded Flash Controller (EEFC) User Interface
Unique Identifier
Register Mapping
Register
EEFC
EEFC
EEFC
EEFC
Reserved
Each part is programmed with a 128-bit Unique Identifier. It can be used to generate keys for
example.
To read the Unique Identifier the sequence is:
Note that during the sequence, the software can not run out of Flash (or the second plane in
case of dual plane).
Flash Mode Register
Flash Command Register
Flash Status Register
Flash Result Register
.
• Send the Start Read unique Identifier command (STUI) by writing the Flash Command
• When the Unique Identifier is ready to be read, the FRDY bit in the Flash Programming
• The Unique Identifier is located in the first 128 bits of the Flash memory mapping, thus, at the
• To stop the Unique Identifier mode, the user needs to send the Stop Read unique Identifier
• When the Stop read Unique Identifier command (SPUI) has been performed, the FRDY bit in
Register with the STUI command.
Status Register (EEFC_FSR) falls.
address
command (SPUI) by writing the Flash Command Register with the SPUI command.
the Flash Programming Status Register (EEFC_FSR) rises. If an interrupt was enabled by
setting the FRDY bit in EEFC_FMR, the interrupt line of the NVIC is activated.
0x80000-0x8000F
.
EEFC
EEFC
EEFC
EEFC
Name
–
_FMR
_FCR
_FRR
_FSR
Read-write
Read-only
Write-only
Read-only
Access
–
SAM3U Series
SAM3U Series
0x00000001
Reset State
0x0
0x0
–
–
317
317