SAM3N4A Atmel Corporation, SAM3N4A Datasheet - Page 661
SAM3N4A
Manufacturer Part Number
SAM3N4A
Description
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
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33.7.2
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in
• TRGEN: Trigger Enable
• TRGSEL: Trigger Selection
• LOWRES: Resolution
• SLEEP: Sleep Mode
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
FREERUN
Value
Value
USEQ
Value
Value
31
23
15
0
1
0
1
0
1
2
3
4
5
6
7
0
1
–
7
ADC Mode Register
NORMAL
SLEEP
Name
FWUP
ADC_TRIG0
ADC_TRIG1
ADC_TRIG2
ADC_TRIG3
ADC_TRIG4
ADC_TRIG5
ADC_TRIG6
30
22
14
ADC_MR
0x40038004
Read-write
–
–
6
BITS_10
BITS_8
Name
Name
Name
DIS
EN
–
Description
Normal Mode: The ADC Core and reference voltage circuitry are kept ON between conversions
Sleep Mode: The ADC Core and reference voltage circuitry are OFF between conversions
SLEEP
29
21
13
–
–
5
Hardware triggers are disabled. Starting a conversion is only possible by software.
Description
Hardware trigger selected by TRGSEL field is enabled.
Description
10-bit resolution
8-bit resolution
Description
External trigger
TIO Output of the Timer Counter Channel 0
TIO Output of the Timer Counter Channel 1
TIO Output of the Timer Counter Channel 2
Reserved
Reserved
Reserved
Reserved
LOWRES
28
20
12
–
–
4
PRESCAL
“ADC Write Protect Mode Register” on page
27
19
11
3
TRGSEL
26
18
10
2
TRACKTIM
STARTUP
25
17
9
1
677.
SAM3N
SAM3N
TRGEN
24
16
8
0
661
661
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