ATMEGA645V-8MU 데이터 시트보기 (PDF) - Atmel Corporation

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ATMEGA645V-8MU

8-bit Microcontroller with In-System Programmable Flash

Atmel Corporation 

ATmega325/3250/645/6450

Figure 1-2. Pinout ATmega325/645

DNC 1

(RXD/PCINT0) PE0 2

(TXD/PCINT1) PE1 3

(XCK/AIN0/PCINT2) PE2 4

(AIN1/PCINT3) PE3 5

(USCK/SCL/PCINT4) PE4 6

(DI/SDA/PCINT5) PE5 7

(DO/PCINT6) PE6 8

(CLKO/PCINT7) PE7 9

(SS/PCINT8) PB0 10

(SCK/PCINT9) PB1 11

(MOSI/PCINT10) PB2 12

(MISO/PCINT11) PB3 13

(OC0A/PCINT12) PB4 14

(OC1A/PCINT13) PB5 15

(OC1B/PCINT14) PB6 16

INDEX CORNER

ATmega325/645

48 PA3

47 PA4

46 PA5

45 PA6

44 PA7

43 PG2

42 PC7

41 PC6

40 PC5

39 PC4

38 PC3

37 PC2

36 PC1

35 PC0

34 PG1

33 PG0

Note:

The large center pad underneath the QFN/MLF packages is made of metal and internally con-

nected to GND. It should be soldered or glued to the board to ensure good mechanical stability. If

the center pad is left unconnected, the package might loosen from the board.

2. Disclaimer

Typical values contained in this datasheet are based on simulations and characterization of

other AVR microcontrollers manufactured on the same process technology. Min and Max values

will be available after the device is characterized.

3. Overview

The ATmega325/3250/645/6450 is a low-power CMOS 8-bit microcontroller based on the AVR

enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the

ATmega325/3250/645/6450 achieves throughputs approaching 1 MIPS per MHz allowing the

system designer to optimize power consumption versus processing speed.

3

2570LS–AVR–08/07

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