SAM3N4B Atmel Corporation, SAM3N4B Datasheet - Page 674
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SAM3N4B
Manufacturer Part Number
SAM3N4B
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N4B
Flash (kbytes)
256 Kbytes
Pin Count
64
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
3
Twi (i2c)
2
Uart
4
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
10
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
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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33.7.14
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in
• CMPMODE: Comparison Mode
• CMPSEL: Comparison Selected Channel
If CMPALL = 0: CMPSEL indicates which channel has to be compared.
If CMPALL = 1: No effect.
• CMPALL: Compare All Channels
0 = Only channel indicated in CMPSEL field is compared.
1 = All channels are compared.
• TAG: TAG of ADC_LDCR register
0 = set CHNB to zero in ADC_LDCR.
1 = append the channel number to the conversion result in ADC_LDCR register.
674
674
Value
31
23
15
–
–
–
7
0
1
2
3
SAM3N
SAM3N
ADC Extended Mode Register
Name
HIGH
LOW
OUT
30
22
14
IN
ADC_EMR
0x40038040
Read-write
–
–
–
6
CMPSEL
Description
Generates an event when the converted data is lower than the low threshold of the window.
Generates an event when the converted data is higher than the high threshold of the window.
Generates an event when the converted data is in the comparison window.
Generates an event when the converted data is out of the comparison window.
29
21
13
–
–
–
5
28
20
12
–
–
–
4
“ADC Write Protect Mode Register” on page
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
–
CMPALL
25
17
–
–
9
1
CMPMODE
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
677.
TAG
24
16
–
8
–
0
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