SAM3N1A Atmel Corporation, SAM3N1A Datasheet - Page 8

• Manufacturer Part Number: SAM3N1A
• Manufacturer: Atmel Corporation

Specifications of SAM3N1A

• Flash (kbytes): 64 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 48 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 17
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 34
• Ext Interrupts: 34
• 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): 8
• 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

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