ATSAM3N4AA-MU Atmel, ATSAM3N4AA-MU Datasheet - Page 6

• 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

3. Signal Description
Table 3-1.
6
Signal Name
VDDIO
VDDIN
VDDOUT
VDDPLL
VDDCORE
GND
XIN
XOUT
XIN32
XOUT32
PCK0 - PCK2
TCK/SWCLK
TDI
TDO/TRACESWO
TMS/SWDIO
JTAGSEL
SAM3N Summary
Signal Description List
Function
Peripherals I/O Lines Power Supply
Voltage Regulator, ADC and DAC Power
Supply
Voltage Regulator Output
Oscillator and PLL Power Supply
Power the core, the embedded memories
and the peripherals
Ground
Main Oscillator Input
Main Oscillator Output
Slow Clock Oscillator Input
Slow Clock Oscillator Output
Programmable Clock Output
Test Clock/Serial Wire Clock
Test Data In
Test Data Out/Trace Asynchronous Data
Out
Test Mode Select /Serial Wire
Input/Output
JTAG Selection
Table 3-1
gives details on the signal name classified by peripheral.
Clocks, Oscillators and PLLs
Power Supplies
ICE and JTAG
Input / I/O
Ground
Output
Output
Output
Output
Power
Power
Power
Power
Power
Type
Input
Input
Input
Input
Input
Active
Level
High
Reference
Voltage
VDDIO
VDDIO
11011AS–ATARM–04-Oct-10
Comments
1.62V to 3.6V
1.8V to 3.6V
1.8V Output
1.65 V to 1.95V
1.65V to 1.95V
Connected externally
to VDDOUT
Reset State:
- PIO Input
- Internal Pull-up
disabled
- Schmitt Trigger
enabled
Reset State:
- PIO Input
- Internal Pull-up
enabled
- Schmitt Trigger
enabled
Reset State:
- SWJ-DP Mode
- Internal pull-up
disabled
- Schmitt Trigger
enabled
Permanent Internal
pull-down
(1)
(1)
(1)
(3)