SAM3S1A Atmel Corporation, SAM3S1A Datasheet - Page 1063

• Manufacturer Part Number: SAM3S1A
• Manufacturer: Atmel Corporation

Specifications of SAM3S1A

• Flash (kbytes): 64 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 64 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 17
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 34
• Ext Interrupts: 34
• Usb Transceiver: 1
• Quadrature Decoder Channels: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 2
• Uart: 3
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 12
• Adc Speed (ksps): 1000
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 16
• Self Program Memory: YES
• 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

41.7.0.2
6500C–ATARM–8-Feb-11
ADC Application Information
Set TRANSFER = 1 and TRACTIM = 0.
In this case, a timer will trigger the ADC in order to set the correct sampling rate according to the
Track time.
The maximum possible sampling frequency will be defined by t
by the previous formula but with minus 15 × t
Note:
Table 41-35. Analog Inputs
Note:
For more information on data converter terminology, please refer to the application note:
Data Converter Terminology, Atmel lit° 6022.
http://www.atmel.com/dyn/resources/prod_documents/doc6022.pdf
Parameter
Input Voltage Range
Input Leakage Current
Input Capacitance
2. The calculated tracking time (t
• 10 bit mode: 1/f
• 12 bit mode: 1/f
Csample and Ron are taken into account in the formulas
1. Input Voltage range can be up to VDDIN without destruction or over-consumption.
If VDDIO < V
S
S
= t
= t
TRACK
TRACK
ADVREF
- 15 × t
- 15 × t
max input voltage is VDDIO.
CP_ADC
CP_ADC
TRACK
+ 5 t
+ 5 t
) is higher than 15 t
CP_ADC
CP_ADC
CP_ADC
and plus TRANSFER time.
Min
0
TRACK
CP_ADC
Typ
in nano seconds, computed
.
V
ADVREF
±0.5
Max
8
SAM3S
Units
µA
pF
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