SAM3S2A Atmel Corporation, SAM3S2A Datasheet - Page 270
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SAM3S2A
Manufacturer Part Number
SAM3S2A
Description
Manufacturer
Atmel Corporation
Specifications of SAM3S2A
Flash (kbytes)
128 Kbytes
Pin Count
48
Max. Operating Frequency
64 MHz
Cpu
Cortex-M3
# Of Touch Channels
17
Hardware Qtouch Acquisition
No
Max I/o Pins
47
Ext Interrupts
47
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)
32
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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16.3
Figure 16-1. Supply Controller Block Diagram
270
Block Diagram
SAM3S
WKUP0 - WKUP15
FSTT0 - FSTT15
XOUT32
VDDIO
XIN32
XOUT
NRST
XIN
VDDIO
FSTT0 - FSTT15 are possible Fast Startup Sources, generated by WKUP0-WKUP15 Pins,
but are not physical pins.
Backup Power Supply
SLCK
SLCK
Power-on Reset
Embedded
32 kHz RC
Xtal 32 kHz
Oscillator
(Backup)
Oscillator
Zero-Power
Monitor
General Purpose
Backup Registers
Supply
MAINCK
MAINCK
12 / 8 / 4 MHz
XTAL Oscillator
Embedded
Oscillator
3 - 20 MHz
RC
RTC
RTT
osc32k_xtal_en
osc32k_rc_en
PLLA
PLLB
Slow Clock
rtc_nreset
rtc_alarm
rtt_nreset
XTALSEL
rtt_alarm
SLCK
ON
Controller
out
Reset
SLCK
Main Clock
MAINCK
PLLBCK
PLLACK
Controller
Supply
vddcore_nreset
Management
Controller
Power
proc_nreset
ice_nreset
periph_nreset
vr_on
vr_mode
vddcore_nreset
lcore_brown_out
bod_core_on
VDDOUT
Matrix
Input/Output Buffers
Brownout
Software Controlled
Detector
Voltage Regulator
(Core)
SLCK
Transceivers
ADC Analog
DAC Analog
Comparator
Core Power Supply
PIOA/B/C
Circuitry
Circuitry
Analog
USB
Master Clock
MCK
Watchdog
Peripherals
Peripheral
Cortex-M3
Timer
SRAM
Bridge
Flash
VDDIO
VDDIO
VDDCORE
VDDIN
PIOx
ADx
ADVREF
DACx
DDP
DDM
6500C–ATARM–8-Feb-11
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