SAM3N2A Atmel Corporation, SAM3N2A Datasheet - Page 598

• Manufacturer Part Number: SAM3N2A
• Manufacturer: Atmel Corporation

Specifications of SAM3N2A

• Flash (kbytes): 128 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 48 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 23
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 47
• Ext Interrupts: 47
• 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): 16
• 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

Figure 31-17. Filtering Examples
598
598
PHA,B
Filter Out
Optical/Magnetic disk strips
PHA
PHB
PHA
PHB
Resulting PHA, PHB electrical waveforms
PHA
PHB
PHA, PHB electrical waveforms after filtering
PHA
PHB
MCK
SAM3N
SAM3N
rotation
MAXFILT=2
motor shaft stopped in such a position that
rotary sensor cell is aligned with an edge of the disk
particulate contamination
PHB Edge area due to system vibration
mechanical shock on system
vibration
stop
stop
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10