SAM3N2A Atmel Corporation, SAM3N2A Datasheet - Page 201
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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11. Debug and Test Features
11.1
11.2
11011A–ATARM–04-Oct-10
Description
Embedded Characteristics
The SAM3 Series Microcontrollers feature a number of complementary debug and test
capabilities. The Serial Wire/JTAG Debug Port (SWJ-DP) combining a Serial Wire Debug Port
(SW-DP) and JTAG Debug(JTAG-DP) port is used for standard debugging functions, such as
downloading code and single-stepping through programs. It also embeds a serial wire trace.
Figure 11-1. Debug and Test Block Diagram
• Debug access to all memory and registers in the system, including Cortex-M3 register bank
• Serial Wire Debug Port (SW-DP) and Serial Wire JTAG Debug Port (SWJ-DP) debug access
• Flash Patch and Breakpoint (FPB) unit for implementing breakpoints and code patches
• Data Watchpoint and Trace (DWT) unit for implementing watchpoints, data tracing, and
• Instrumentation Trace Macrocell (ITM) for support of printf style debugging
• IEEE1149.1 JTAG Boundary-can on All Digital Pins
when the core is running, halted, or held in reset.
system profiling
Boundary
TAP
SWJ-DP
Reset
Test
and
POR
JTAGSEL
TDO/TRACESWO
TMS
TCK/SWCLK
TDI
TST
SAM3N
201
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