ATMEGA645V-8AU Atmel, ATMEGA645V-8AU Datasheet - Page 72
![IC AVR MCU FLASH 64K 64TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA645V-8AU
Manufacturer Part Number
ATMEGA645V-8AU
Description
IC AVR MCU FLASH 64K 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA325-16MU.pdf
(362 pages)
Specifications of ATMEGA645V-8AU
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Processor Series
ATMEGA64x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, UART, USI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
54
Number Of Timers
3
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Controller Family/series
AVR MEGA
No. Of I/o's
54
Eeprom Memory Size
2KB
Ram Memory Size
4KB
Cpu Speed
8MHz
No. Of Timers
3
Rohs Compliant
Yes
Data Rom Size
2 KB
Height
1 mm
Length
14 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Width
14 mm
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
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Price
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- Download datasheet (7Mb)
13.3.3
2570M–AVR–04/11
Alternate Functions of Port E
The Port E pins with alternate functions are shown in
Table 13-8.
• PCINT7 – Port E, Bit 7
PCINT7, Pin Change Interrupt Source 7: The PE7 pin can serve as an external interrupt source.
CLKO, Divided System Clock: The divided system clock can be output on the PE7 pin. The
divided system clock will be output if the CKOUT Fuse is programmed, regardless of the
PORTE7 and DDE7 settings. It will also be output during reset.
• DO/PCINT6 – Port E, Bit 6
DO, Universal Serial Interface Data output.
PCINT6, Pin Change Interrupt Source 6: The PE6 pin can serve as an external interrupt source.
• DI/SDA/PCINT5 – Port E, Bit 5
DI, Universal Serial Interface Data input.
SDA, Two-wire Serial Interface Data:
PCINT5, Pin Change Interrupt Source 5: The PE5 pin can serve as an external interrupt source.
• USCK/SCL/PCINT4 – Port E, Bit 4
USCK, Universal Serial Interface Clock.
SCL, Two-wire Serial Interface Clock.
PCINT4, Pin Change Interrupt Source 4: The PE4 pin can serve as an external interrupt source.
• AIN1/PCINT3 – Port E, Bit 3
AIN1 – Analog Comparator Negative input. This pin is directly connected to the negative input of
the Analog Comparator.
PCINT3, Pin Change Interrupt Source 3: The PE3 pin can serve as an external interrupt source.
Port Pin
PE7
PE6
PE5
PE4
PE3
PE2
PE1
PE0
Port E Pins Alternate Functions
Alternate Function
PCINT7 (Pin Change Interrupt7)
CLKO (Divided System Clock)
DO/PCINT6 (USI Data Output or Pin Change Interrupt6)
DI/SDA/PCINT5 (USI Data Input or TWI Serial DAta or Pin Change Interrupt5)
USCK/SCL/PCINT4 (USART External Clock Input/Output or TWI Serial Clock
or Pin Change Interrupt4)
AIN1/PCINT3 (Analog Comparator Negative Input or Pin Change Interrupt3)
XCK/AIN0/ PCINT2 (USART External Clock or Analog Comparator Positive
Input or Pin Change Interrupt2)
TXD/PCINT1 (USART Transmit Pin or Pin Change Interrupt1)
RXD/PCINT0 (USART Receive Pin or Pin Change Interrupt0)
ATmega325/3250/645/6450
Table
13-8.
72
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