SAM3N2B Atmel Corporation, SAM3N2B Datasheet - Page 571
SAM3N2B
Manufacturer Part Number
SAM3N2B
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N2B
Flash (kbytes)
128 Kbytes
Pin Count
64
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
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)
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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30.8.9
Name:
Addresses:
Access:
This register can only be written if the WPEN bit is cleared in
• CD: Clock Divider
• FP: Fractional Part
0: Fractional divider is disabled.
1 - 7: Baudrate resolution, defined by FP x 1/8.
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
31
23
15
1 to 65535
–
–
7
CD
USART Baud Rate Generator Register
0
30
22
14
US_BRGR
0x40024020 (0), 0x40028020 (1)
Read-write
–
–
6
Baud Rate =
Selected Clock/(16*CD)
OVER = 0
29
21
13
–
–
5
SYNC = 0
USART_MODE
Baud Rate =
Selected Clock/(8*CD)
28
20
12
–
–
4
OVER = 1
CD
CD
Baud Rate Clock Disabled
“USART Write Protect Mode Register” on page
≠
ISO7816
27
19
11
–
–
3
Baud Rate =
Selected Clock /CD
USART_MODE = SPI
(Master or Slave)
SYNC = 1
or
26
18
10
–
2
Baud Rate = Selected
Clock/(FI_DI_RATIO*CD)
FP
25
17
–
9
1
USART_MODE =
ISO7816
SAM3N
SAM3N
577.
24
16
–
8
0
571
571
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