SAM3S1B Atmel Corporation, SAM3S1B Datasheet - Page 1063
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SAM3S1B
Manufacturer Part Number
SAM3S1B
Description
Manufacturer
Atmel Corporation
Specifications of SAM3S1B
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
64 MHz
Cpu
Cortex-M3
# Of Touch Channels
23
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
3
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
10
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
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
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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
1063
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