SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 499

• Manufacturer Part Number: SAM9G20
• Manufacturer: Atmel Corporation

Specifications of SAM9G20

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 96
• Ext Interrupts: 96
• Usb Transceiver: 3
• Usb Speed: Full Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 1
• Uart: 7
• Ssc: 1
• Ethernet: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 95
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 0.9 to 1.1
• Fpu: No
• Mpu / Mmu: No/Yes
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

32.7.2
Name:
Access Type:
• USART_MODE
• USCLKS: Clock Selection
• CHRL: Character Length.
6384E–ATARM–05-Feb-10
ONEBIT
31
23
15
–
7
0
0
1
1
0
0
0
0
0
0
1
0
0
1
1
USART Mode Register
CHMODE
CHRL
USCLKS
CHRL
VAR_SYNC
MODSYNC
30
22
14
US_MR
Read-write
6
0
1
0
1
0
0
0
0
1
1
0
0
1
0
1
USART_MODE
Others
DSNACK
MAN
Character Length
5 bits
6 bits
7 bits
8 bits
29
21
13
5
Selected Clock
MCK
MCK/DIV (DIV = 8)
Reserved
SCK
NBSTOP
USCLKS
0
0
1
1
0
1
0
FILTER
INACK
28
20
12
4
0
1
0
1
0
0
0
OVER
27
19
11
–
3
Mode of the USART
Normal
RS485
Hardware Handshaking
Modem
IS07816 Protocol: T = 0
IS07816 Protocol: T = 1
IrDA
Reserved
CLKO
PAR
26
18
10
2
USART_MODE
MAX_ITERATION
AT91SAM9G20
MODE9
25
17
9
1
MSBF
SYNC
24
16
8
0
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