SAM3N2A Atmel Corporation, SAM3N2A Datasheet - Page 465
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SAM3N2A
Manufacturer Part Number
SAM3N2A
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N2A
Flash (kbytes)
128 Kbytes
Pin Count
48
Max. Operating Frequency
48 MHz
Cpu
Cortex-M3
# Of Touch Channels
23
Hardware Qtouch Acquisition
No
Max I/o Pins
47
Ext Interrupts
47
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)
16
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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28.4
28.5
28.5.1
Table 28-3.
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
Pin Name
TWD
TWCK
Block Diagram
Application Block Diagram
I/O Lines Description
I/O Lines Description
Figure 28-1. Block Diagram
Figure 28-2. Application Block Diagram
Rp: Pull up value as given by the I²C Standard
Host with
Interface
TWI
Pin Description
Two-wire Serial Data
Two-wire Serial Clock
TWD
TWCK
PMC
APB Bridge
Serial EEPROM
Atmel TWI
Slave 1
MCK
Two-wire
Interface
I²C RTC
Slave 2
Controller
I²C LCD
Slave 3
Interrupt
TWI
PIO
NVIC
I²C Temp.
Sensor
Slave 4
Rp
Input/Output
Input/Output
TWCK
TWD
Type
SAM3N
SAM3N
Rp
VDD
465
465
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