ATmega6490 Atmel Corporation, ATmega6490 Datasheet - Page 386
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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
ii
ATmega329/3290/649/6490
9
10 System Control and Reset .................................................................... 41
11 Interrupts ................................................................................................ 49
12 External Interrupts ................................................................................. 54
13 I/O-Ports .................................................................................................. 59
Power Management and Sleep Modes ................................................. 35
8.7
8.8
8.9
8.10
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
10.10
11.1
11.2
12.1
12.2
13.1
13.2
13.3
Clock Output Buffer .........................................................................................31
Timer/Counter Oscillator ..................................................................................32
System Clock Prescaler ..................................................................................32
Register Description ........................................................................................32
Idle Mode .........................................................................................................36
ADC Noise Reduction Mode ............................................................................36
Power-down Mode ...........................................................................................36
Power-save Mode ............................................................................................36
Standby Mode .................................................................................................37
Power Reduction Register ...............................................................................37
Minimizing Power Consumption ......................................................................37
Register Description ........................................................................................39
Resetting the AVR ...........................................................................................41
Reset Sources .................................................................................................41
Power-on Reset ...............................................................................................42
External Reset .................................................................................................43
Brown-out Detection ........................................................................................43
Watchdog Reset ..............................................................................................44
Internal Voltage Reference ..............................................................................44
Watchdog Timer ..............................................................................................45
Timed Sequences for Changing the Configuration of the Watchdog Timer ....47
Register Description ........................................................................................47
Interrupt Vectors in ATmega329/3290/649/6490 .............................................49
Register Description ........................................................................................52
Pin Change Interrupt Timing ............................................................................54
Register Description ........................................................................................55
Introduction ......................................................................................................59
Ports as General Digital I/O .............................................................................60
Alternate Port Functions ..................................................................................65
2552K–AVR–04/11