SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 752

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SAM9G20

Manufacturer Part Number
SAM9G20
Description
Manufacturer
Atmel Corporation
Datasheets

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
40.6.2
Name:
Access:
• TRGEN: Trigger Enable
• TRGSEL: Trigger Selection
• LOWRES: Resolution
• SLEEP: Sleep Mode
752
LOWRES
TRGEN
SLEEP
31
23
15
0
1
0
1
0
1
0
0
0
0
1
1
1
1
7
AT91SAM9G20
ADC Mode Register
ADC_MR
Read-write
Selected TRGEN
Hardware triggers are disabled. Starting a conversion is only possible by software.
Hardware trigger selected by TRGSEL field is enabled.
Selected Mode
Normal Mode
Sleep Mode
Selected Resolution
10-bit resolution
8-bit resolution
TRGSEL
30
22
14
0
0
1
1
0
0
1
1
6
SLEEP
29
21
13
0
1
0
1
0
1
0
1
5
Selected TRGSEL
TIOA Ouput of the Timer Counter Channel 0
TIOA Ouput of the Timer Counter Channel 1
TIOA Ouput of the Timer Counter Channel 2
Reserved
Reserved
Reserved
External trigger
Reserved
LOWRES
28
20
12
4
27
19
11
3
PRESCAL
STARTUP
TRGSEL
26
18
10
2
SHTIM
25
17
9
1
6384E–ATARM–05-Feb-10
TRGEN
24
16
8
0

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