SAM3U2E Atmel Corporation, SAM3U2E Datasheet - Page 728

• Manufacturer Part Number: SAM3U2E
• Manufacturer: Atmel Corporation

Specifications of SAM3U2E

• Flash (kbytes): 128 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 96 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 57
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 96
• Ext Interrupts: 96
• Usb Transceiver: 1
• Quadrature Decoder Channels: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device
• Spi: 5
• Twi (i2c): 2
• Uart: 5
• Ssc: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• 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

Figure 35-38. SPI Transfer Format (CPHA=1, 8 bits per transfer)
Figure 35-39. SPI Transfer Format (CPHA=0, 8 bits per transfer)
728
728
SPI Master -> RXD
SCK cycle (for reference)
SPI Master -> TXD
SPI Master -> RTS
SPI Master -> RTS
SPI Slave -> RXD
SPI Master ->RXD
SPI Slave -> TXD
SPI Slave -> CTS
SPI Master ->TXD
SPI Slave -> RXD
SCK cycle (for reference)
SPI Slave -> TXD
SPI Slave -> CTS
(CPOL = 0)
(CPOL = 1)
(CPOL = 0)
(CPOL = 1)
SAM3U Series
SAM3U Series
MOSI
MISO
MOSI
MISO
SCK
SCK
NSS
SCK
SCK
NSS
MSB
1
1
MSB
MSB
MSB
2
2
6
6
6
6
3
3
5
5
5
5
4
4
4
4
4
4
5
5
3
3
3
3
6
6
6
2
2
2
2
7
7
1
1
1
1
8
8
LSB
LSB
LSB
LSB
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11