SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 937
SAM9G20
Manufacturer Part Number
SAM9G20
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G20.pdf
(42 pages)
5.SAM9G20.pdf
(832 pages)
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
- SAM9261 PDF datasheet
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- SAM9261 PDF datasheet #3
- SAM9G20 PDF datasheet #4
- SAM9G20 PDF datasheet #5
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41.8.2
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in
• LOWRES: Resolution
• SLEEP: Sleep Mode
• FWUP: Fast Wake Up
• PRESCAL: Prescaler Rate Selection
11053B–ATARM–22-Sep-11
ADCClock = MCK / ( (PRESCAL+1) * 2 )
Value
Value
USEQ
Value
31
23
15
0
1
0
1
0
1
–
7
–
ADC Mode Register
NORMAL
SLEEP
Name
Name
FWUP
OFF
ON
30
22
14
ADC_MR
0xF804C004
Read-write
–
–
6
BITS_10
BITS_8
Name
Description
Normal Mode: The ADC Core and reference voltage circuitry are kept ON between conversions
Sleep Mode: The ADC Core and reference voltage circuitry are OFF between conversions
Description
Normal Sleep Mode: The sleep mode is defined by the SLEEP bit
Fast Wake Up Sleep Mode: The Voltage reference is ON between conversions and ADC Core is OFF
SLEEP
29
21
13
–
–
5
Description
10-bit resolution
8-bit resolution
LOWRES
28
20
12
–
–
4
PRESCAL
“ADC Write Protect Mode Register” on page
27
19
11
3
26
18
10
2
–
TRACKTIM
STARTUP
25
17
9
1
SAM9G35
961.
24
16
8
0
–
937
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