SAM3N4A Atmel Corporation, SAM3N4A Datasheet - Page 256

• Manufacturer Part Number: SAM3N4A
• 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

16.3
Figure 16-1. Supply Controller Block Diagram
256
256
Block Diagram
SAM3N
SAM3N
WKUP0 - WKUP15
FSTT0 - FSTT15
XOUT32
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
core_nreset
SLCK
SLCK
Power-on Reset
12/8/4 MHz
Embedded
Xtal 32 kHz
Embedded
32 kHz RC
Oscillator
Oscillator
(Backup)
Zero-Power
Backup Registers
General Purpose
Oscillator
Monitor
Oscillator
Supply
Xtal
RC
PLL
RTC
RTT
osc32k_xtal_en
osc32k_rc_en
osc32k_sel
brown_out
rtc_nreset
Slow Clock
rtc_alarm
rtt_nreset
rtt_alarm
Main Clock
Controller
SLCK
bod_on
MAINCK
SLCK
Reset
Management
Controller
Supply
Controller
Power
proc_nreset
periph_nreset
ice_nreset
vr_on
vr_mode
core_nreset
bod_core_on
lcore_brown_out
Master Clock
SLCK
MCK
Watchdog
Timer
Matrix
VDDOUT
Brownout
Software Controlled
Detector
Voltage Regulator
(Core)
PIOA/B/C
ADC
DAC
Core Power Supply
Peripherals
Peripheral
Cortex-M3
SRAM
Bridge
Flash
VDDCORE
VDDIN
VDDIO
PIOx
ADx
ADVREF
DAC0x
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10