SAM3N4A Atmel Corporation, SAM3N4A Datasheet - Page 8
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SAM3N4A
Manufacturer Part Number
SAM3N4A
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N4A
Flash (kbytes)
256 Kbytes
Pin Count
48
Max. Operating Frequency
48 MHz
Cpu
Cortex-M3
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
79
Ext Interrupts
79
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)
24
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
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Table 3-1.
Notes:
8
Signal Name
MISO
MOSI
SPCK
SPI_NPCS0
SPI_NPCS1 -
SPI_NPCS3
TWDx
TWCKx
ADVREF
AD0 - AD15
ADTRG
DAC0
DATRG
PGMEN0-PGMEN2
PGMM0-PGMM3
PGMD0-PGMD15
PGMRDY
PGMNVALID
PGMNOE
PGMCK
PGMNCMD
1. Schmitt Triggers can be disabled through PIO registers.
2. Some PIO lines are shared with System IOs.
3. See
SAM3N
Signal Description List (Continued)
Section 5.3 “Typical Powering Schematics”
Function
Master In Slave Out
Master Out Slave In
SPI Serial Clock
SPI Peripheral Chip Select 0
SPI Peripheral Chip Select
TWIx Two-wire Serial Data
TWIx Two-wire Serial Clock
ADC and DAC Reference
Analog Inputs
ADC Trigger
DACC channel analog output
DACC Trigger
Programming Enabling
Programming Mode
Programming Data
Programming Ready
Data Direction
Programming Read
Programming Clock
Programming Command
Digital-to-Analog Converter Controller- DACC
10-bit Analog-to-Digital Converter - ADC
Fast Flash Programming Interface
Serial Peripheral Interface - SPI
Two-Wire Interface- TWIx
for restriction on voltage range of Analog Cells.
Analog
Analog
Analog
Analog
Output
Output
Output
Type
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Active
Level
High
Low
Low
Low
Low
Low
Reference
Voltage
VDDIO
VDDIO
VDDIO
Comments
11011A–ATARM–04-Oct-10
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