SAM3S1A Atmel Corporation, SAM3S1A Datasheet - Page 1052
SAM3S1A
Manufacturer Part Number
SAM3S1A
Description
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
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41.4.3
Table 41-18. 32.768 kHz Crystal Oscillator Characteristics
Note:
41.4.4
Table 41-19. Crystal Characteristics
1052
Symbol
F
P
R
C
C
Symbol
ESR
C
C
req
ON
f
LEXT
para
M
SHUNT
1. R
SAM3S
32.768 kHz Crystal Oscillator Characteristics
32.768 kHz Crystal Characteristics
S
is the series resitor.
Parameter
Operating Frequency
Supply Ripple Voltage (on VDDIO)
Duty Cycle
Startup Time
Current consumption
Drive level
Internal resistor
Maximum external capacitor
on XIN32 and XOUT32
Internal Parasitic Capacitance
Parameter
Equivalent Series Resistor (R
Motional capacitance
Shunt capacitance
Where
the SAM3 pin.
C
PCB
is the capacitance of the printed circuit board (PCB) track layout from the crystal to
C
LEXT
XIN32
S)
C
LEXT
= 2x(
Conditions
Normal mode with crystal
Rms value, 10 KHz to 10 MHz
Rs < 50KΩ
Rs < 100KΩ
(1)
Rs < 50KΩ
Rs < 100KΩ
(1)
between XIN32 and XOUT32
C
CRYSTAL
Conditions
Crystal @ 32.768 KHz
Crystal @ 32.768 KHz
Crystal @ 32.768 KHz
SAM3
–
C
para
–
C
C
C
C
C
C
C
C
crystal
crystal
crystal
crystal
crystal
crystal
crystal
crystal
C
PCB
C
XOUT32
LEXT
).
= 12.5pF
= 6pF
= 12.5pF
= 6pF
= 12.5pF
= 6pF
= 12.5pF
= 6pF
Min
0.6
0.6
Min
0.8
40
Typ
50
Typ
650
450
900
650
50
10
1
32.768
1200
1400
1200
1600
1400
Max
900
300
500
6500C–ATARM–8-Feb-11
0.1
1.2
30
60
20
Max
100
3
2
Unit
KHz
MΩ
mV
µW
ms
nA
pF
pF
%
Unit
KΩ
pF
fF
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