ATmega645A Atmel Corporation, ATmega645A Datasheet - Page 655
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
ATmega645A
Manufacturer Part Number
ATmega645A
Description
Manufacturer
Atmel Corporation
Specifications of ATmega645A
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
17
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
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
Company:
Part Number:
ATmega645A-AUR
Manufacturer:
HONEYWELL
Quantity:
101
Company:
Part Number:
ATmega645A-MUR
Manufacturer:
TI
Quantity:
6 700
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8285D–AVR–06/11
PUSH
POP
MCU CONTROL INSTRUCTIONS
NOP
SLEEP
WDR
BREAK
Mnemonics
Rr
Rd
Operands
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Push Register on Stack
Pop Register from Stack
No Operation
Sleep
Watchdog Reset
Break
Description
STACK ← Rr
Rd ← STACK
(see specific descr. for Sleep function)
(see specific descr. for WDR/timer)
For On-chip Debug Only
Operation
None
None
None
None
None
None
Flags
#Clocks
N/A
2
2
1
1
1
655
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