SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 773

• 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

41.6
Table 41-19. ADC Characteristics 9-bit Mode
Table 41-20. ADC Characteristics 10-bit Mode
Note:
6384E–ATARM–05-Feb-10
Code
R
INL
DNL
OS
GE
f
Code
R
INL
DNL
OS
GE
f
CLK
CLK
ADC
1. In worst case, the Track-and-Hold Acquisition Time is given by:
Parameter
Resolution
Integral Non-linearity
Differential Non-linearity
Offset Error
Gain Error
Clock Frequency
Converion Rate:
Conversion Time
Track-and-Hold Acquistion Time
Throughput Rate
Parameter
Resolution
Integral Non-linearity
Differential Non-linearity
Offset Error
Gain Error
Clock Frequency
Converion Rate:
Conversion Time
Track-and-Hold Acquistion Time
Throughput Rate
In case of very high input impedance, this value must be respected in order to guarantee the correct converted value. An
internal input current buffer supplies the current required for the low input impedance (1 mA max)
TTH (µs)
=
1.2
+
(
0.09
×
Z
IN
) kOhm
(
Condition & Notes
No missing code
Not including V
No missing code
Clock Frequency = 5 MHz
see Note
@ f
Condition & Notes
No missing code
Not including V
No missing code
Clock Frequency = 5 MHz
see Note
@ f
CLK
CLK
)
= 5 MHz with TTH = 1 µs
= 5 MHz with TTH = 1 µs
(1)
(1)
REF
REF
N error
N error
Min
-1.5
Min
-1.5
500
500
-1
-1
Typ
Typ
10
10
AT91SAM9G20
9
2
.
Max
Max
330
3.5
3.5
±2
+2
±3
±2
±1
±3
95
5
1
KSPS
KSPS
MHz
MHz
Unit
Unit
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
Bits
µs
ns
µs
ns
773