SAM3U1C Atmel Corporation, SAM3U1C Datasheet - Page 595

• Manufacturer Part Number: SAM3U1C
• Manufacturer: Atmel Corporation

Specifications of SAM3U1C

• Flash (kbytes): 64 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): 20
• 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

32.4
Figure 32-2. Application Block Diagram: Single Master/Multiple Slave Implementation
32.5
Table 32-1.
32.6
32.6.1
6430E–ATARM–29-Aug-11
6430E–ATARM–29-Aug-11
Pin Name
MISO
MOSI
SPCK
NPCS1-NPCS3
NPCS0/NSS
Application Block Diagram
Signal Description
Product Dependencies
I/O Lines
Signal Description
SPI Master
The pins used for interfacing the compliant external devices may be multiplexed with PIO lines.
The programmer must first program the PIO controllers to assign the SPI pins to their peripheral
functions.
Table 32-2.
Instance
SPCK
MISO
MOSI
NPCS0
NPCS1
NPCS2
NPCS3
Pin Description
Master In Slave Out
Master Out Slave In
Serial Clock
Peripheral Chip Selects
Peripheral Chip Select/Slave Select
SPI
SPI
I/O Lines
NC
Signal
MISO
MOSI
I/O Line
SPCK
MISO
MOSI
NSS
SPCK
MISO
MOSI
NSS
SPCK
MISO
MOSI
NSS
PA13
PA14
Master
Input
Output
Output
Output
Output
SAM3U Series
SAM3U Series
Slave 0
Slave 1
Slave 2
Peripheral
Type
A
A
Slave
Output
Input
Input
Unused
Input
595
595