SAM3N4A Atmel Corporation, SAM3N4A Datasheet - Page 561

• Manufacturer Part Number: SAM3N4A
• 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

30.8.2
Name:
Addresses:
Access:
This register can only be written if the WPEN bit is cleared in
• USART_MODE
• USCLKS: Clock Selection
• CHRL: Character Length.
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
INVDATA
Value
Value
Value
31
23
15
–
7
0xE
0x0
0x1
0x2
0x4
0x6
0x8
0xF
0
1
2
3
0
1
3
USART Mode Register
CHMODE
CHRL
HW_HANDSHAKING
30
22
14
US_MR
0x40024004 (0), 0x40028004 (1)
Read-write
–
–
6
Name
5_BIT
6_BIT
7_BIT
8_BIT
SPI_MASTER
IS07816_T_0
IS07816_T_1
SPI_SLAVE
NORMAL
RS485
Name
Name
IRDA
MCK
SCK
DIV
DSNACK
Description
Character length is 5 bits
Character length is 6 bits
Character length is 7 bits
Character length is 8 bits
29
21
13
–
5
NBSTOP
USCLKS
Description
Normal mode
RS485
Hardware Handshaking
IS07816 Protocol: T = 0
IS07816 Protocol: T = 1
IrDA
SPI Master
SPI Slave
Description
Master Clock MCK is selected
Internal Clock Divided MCK/DIV (DIV=8) is selected
Serial Clock SLK is selected
FILTER
INACK
28
20
12
4
“USART Write Protect Mode Register” on page
OVER
27
19
11
–
3
CLKO
PAR
26
18
10
2
USART_MODE
MAX_ITERATION
MODE9
25
17
9
1
SAM3N
SAM3N
SYNC/CPHA
MSBF/CPOL
577.
24
16
8
0
561
561