SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 937

• 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

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