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Atmel Electronic Components Datasheet

ATMEGA645V Datasheet

8-bit Microcontroller

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Features
High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller
Advanced RISC Architecture
– 130 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 16MIPS Throughput at 16MHz
– On-Chip 2-cycle Multiplier
High Endurance Non-volatile Memory Segments
– In-System Self-programmable Flash Program Memory
• 32KBytes (ATmega325/ATmega3250)
• 64KBytes (ATmega645/ATmega6450)
– EEPROM
• 1Kbytes (ATmega325/ATmega3250)
• 2Kbytes (ATmega645/ATmega6450)
– Internal SRAM
• 2Kbytes (ATmega325/ATmega3250)
• 4Kbytes (ATmega645/ATmega6450)
– Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM
– Data retention: 20 years at 85°C/100 years at 25°C(1)
– Optional Boot Code Section with Independent Lock Bits
• In-System Programming by On-chip Boot Program
• True Read-While-Write Operation
– Programming Lock for Software Security
Atmel® QTouch® library support
– Capacitive touch buttons, sliders and wheels
– QTouch and QMatrix® acquisition
– Up to 64 sense channels
JTAG (IEEE std. 1149.1 compliant) Interface
– Boundary-scan Capabilities According to the JTAG Standard
– Extensive On-chip Debug Support
– Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
– One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture
Mode
– Real Time Counter with Separate Oscillator
– Four PWM Channels
– 8-channel, 10-bit ADC
– Programmable Serial USART
– Master/Slave SPI Serial Interface
– Universal Serial Interface with Start Condition Detector
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
– Interrupt and Wake-up on Pin Change
Special Microcontroller Features
– Power-on Reset and Programmable Brown-out Detection
– Internal Calibrated Oscillator
– External and Internal Interrupt Sources
– Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, and
Standby
I/O and Packages
– 53/68 Programmable I/O Lines
– 64-lead TQFP, 64-pad QFN/MLF, and 100-lead TQFP
Speed Grade:
– ATmega325V/ATmega3250V/ATmega645V/ATmega6450V:
• 0 - 4MHz @ 1.8 - 5.5V; 0 - 8MHz @ 2.7 - 5.5V
– Atmel ATmega325/3250/645/6450:
• 0 - 8MHz @ 2.7 - 5.5V; 0 - 16MHz @ 4.5 - 5.5V
Temperature range:
– -40°C to 85°C IndustrSial
Ultra-Low Power Consumption
– Active Mode:
1MHz, 1.8V: 350µA
32kHz, 1.8V: 20µA (including Oscillator)
– Power-down Mode:
100 nA at 1.8V
8-bit Atmel
Microcontroller
with In-System
Programmable
Flash
ATmega325/V
ATmega3250/V
ATmega645/V
ATmega6450/V
2570N–AVR–05/11


Atmel Electronic Components Datasheet

ATMEGA645V Datasheet

8-bit Microcontroller

No Preview Available !

1. Pin Configurations
Figure 1-1. Pinout ATmega3250/6450
ATmega325/3250/645/6450
DNC
(RXD/PCINT0) PE0
(TXD/PCINT1) PE1
(XCK/AIN0/PCINT2) PE2
(AIN1/PCINT3) PE3
(USCK/SCL/PCINT4) PE4
(DI/SDA/PCINT5) PE5
(DO/PCINT6) PE6
(CLKO/PCINT7) PE7
VCC
GND
DNC
(PCINT24) PJ0
(PCINT25) PJ1
DNC
DNC
DNC
DNC
(SS/PCINT8) PB0
(SCK/PCINT9) PB1
(MOSI/PCINT10) PB2
(MISO/PCINT11) PB3
(OC0A/PCINT12) PB4
(OC1A/PCINT13) PB5
(OC1B/PCINT14) PB6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
INDEX CORNER
ATmega3250/6450
75 PA3
74 PA4
73 PA5
72 PA6
71 PA7
70 PG2
69 PC7
68 PC6
67 DNC
66 PH3 (PCINT19)
65 PH2 (PCINT18)
64 PH1 (PCINT17)
63 PH0 (PCINT16)
62 DNC
61 DNC
60 DNC
59 DNC
58 PC5
57 PC4
56 PC3
55 PC2
54 PC1
53 PC0
52 PG1
51 PG0
2570N–AVR–05/11
2


Part Number ATMEGA645V
Description 8-bit Microcontroller
Maker ATMEL Corporation
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ATMEGA645V Datasheet PDF






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