ATmega6490 Atmel Corporation, ATmega6490 Datasheet - Page 220
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ATmega6490
Manufacturer Part Number
ATmega6490
Description
Manufacturer
Atmel Corporation
Specifications of ATmega6490
Flash (kbytes)
64 Kbytes
Pin Count
100
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
69
Ext Interrupts
32
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
160
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
4
Eeprom (bytes)
2048
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATmega6490-16AI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATmega6490-16AU
Manufacturer:
Atmel
Quantity:
135
Company:
Part Number:
ATmega6490-16AUR
Manufacturer:
Atmel
Quantity:
1 500
Company:
Part Number:
ATmega6490A-AU
Manufacturer:
Atmel
Quantity:
1 250
Company:
Part Number:
ATmega6490A-AUR
Manufacturer:
Maxim
Quantity:
43
Company:
Part Number:
ATmega6490P-AU
Manufacturer:
Atmel
Quantity:
779
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ATmega329/3290/649/6490
•
Figure 22-11. Gain Error
•
Figure 22-12. Integral Non-linearity (INL)
Gain Error: After adjusting for offset, the Gain Error is found as the deviation of the last
transition (0x3FE to 0x3FF) compared to the ideal transition (at 1.5 LSB below maximum).
Ideal value: 0 LSB
Integral Non-linearity (INL): After adjusting for offset and gain error, the INL is the maximum
deviation of an actual transition compared to an ideal transition for any code. Ideal value: 0
LSB.
Output Code
Output Code
Gain
Error
V
V
REF
REF
Input Voltage
Input Voltage
Ideal ADC
Actual ADC
Ideal ADC
Actual ADC
2552K–AVR–04/11
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