SAM9G25 Atmel Corporation, SAM9G25 Datasheet - Page 872

• Manufacturer Part Number: SAM9G25
• Manufacturer: Atmel Corporation

Specifications of SAM9G25

• Flash (kbytes): 0 Kbytes
• Pin Count: 247
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 105
• Ext Interrupts: 105
• Usb Transceiver: 3
• Usb Speed: Hi-Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 3
• Uart: 7
• Lin: 4
• Ssc: 1
• Ethernet: 1
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 12
• Adc Resolution (bits): 10
• Adc Speed (ksps): 440
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: DDR2/LPDDR, SDRAM/LPSDR
• 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
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

39.8.2
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in
• USART_MODE
• USCLKS: Clock Selection
872
872
ONEBIT
Value
Value
31
23
15
7
0xA
0xB
0xE
0xF
0x0
0x1
0x2
0x4
0x6
0x8
0
1
3
SAM9G25
SAM9G25
USART Mode Register
CHMODE
CHRL
VAR_SYNC
MODSYNC
HW_HANDSHAKING
30
22
14
US_MR
0xF801C004 (0), 0xF8020004 (1), 0xF8024004 (2)
Read-write
6
LIN_MASTER
SPI_MASTER
IS07816_T_0
IS07816_T_1
LIN_SLAVE
SPI_SLAVE
NORMAL
RS485
Name
Name
MCK
IRDA
SCK
DIV
DSNACK
MAN
29
21
13
5
NBSTOP
USCLKS
Description
Normal mode
RS485
Hardware Handshaking
IS07816 Protocol: T = 0
IS07816 Protocol: T = 1
IrDA
LIN Master
LIN Slave
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
11032A–ATARM–27-Jul-11
11032A–ATARM–27-Jul-11
MSBF/CPOL
SYNC/CPHA
898.
24
16
8
0