ATSAM3N4AA-MU Atmel, ATSAM3N4AA-MU Datasheet - Page 5

• Manufacturer Part Number: ATSAM3N4AA-MU
• Description: MCU FLASH 48-QFN
• Manufacturer: Atmel
• Series: SAM3Nr

Specifications of ATSAM3N4AA-MU

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 48MHz
• Connectivity: I²C, IrDA, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 24K x 8
• Voltage - Supply (vcc/vdd): 1.62 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Processor Series: SAM3N
• Core: ARM Cortex M3
• Data Bus Width: 10 bit
• Interface Type: SPI, UART
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 79
• Operating Supply Voltage: 1.62 V to 3.6 V
• Mounting Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Figure 2-3.
11011AS–ATARM–04-Oct-10
SAM3N 48-pin version Block Diagramz
PCK0-PCK2
VDDCORE
XOUT32
PWM[0:3]
ADVREF
ERASE
AD[0..7]
VDDIO
ADTRG
URXD0
URXD1
UTXD0
UTXD1
XOUT
NRST
RXD0
SCK0
TXD0
RTS0
CTS0
TST
XIN
12/8/4 MHz
RC OSC
System Controller
WDT
PIOA
OSC 32k
RC 32k
3-20 MHz
SUPC
RSTC
PMC
PIOB
RTT
RTC
POR
OSC
PLL
SM
10-bit ADC
Cortex-M3 Processor
USART0
UART0
UART1
PWM
Fmax 48 MHz
JTAG & Serial Wire
In-Circuit Emulator
PDC
PDC
PDC
I/D
Peripheral
3-layer AHB Bus Matrix Fmax 48 MHz
Bridge
SysTick Counter
3- layer AHB Bus Matrix Fmax 48 MHz
S
24-bit
N
V
C
I
256 KBytes
128 KBytes
64 KBytes
FLASH
PDC
PDC
Regulator
Timer Counter A
Timer Counter B
Voltage
TC[0..2]
TC[3..5]
24 KBytes
16 KBytes
8 KBytes
SPI
TWI0
TWI1
SRAM
16 KBytes
ROM
SAM3N Summary
TCLK[0:2]
TIOA[0:2]
TIOB[0:2]
NPCS0
NPCS1
NPCS2
NPCS3
MISO
MOS
SPCK
TWCK0
TWD0
TWCK1
TWD1
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