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ATMEGA644P-20PU
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ATMEGA644P-20PU Programmierhandbuch

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Features
High-performance, Low-power Atmel
®
AVR
®
8-bit Microcontroller
Advanced RISC Architecture
131 Powerful Instructions – Most Single-clock Cycle Execution
32 × 8 General Purpose Working Registers
Fully Static Operation
Up to 20 MIPS Throughput at 20 MHz
On-chip 2-cycle Multiplier
High Endurance Non-volatile Memory segments
16K/32K/64K Bytes of In-System Self-programmable Flash program memory
512B/1K/2K Bytes EEPROM
1K/2K/4K Bytes Internal SRAM
Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM
Data retention: 20 years at 85C/100 years at 25C
(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
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 Prescalers and Compare Modes
One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
Real Time Counter with Separate Oscillator
Six PWM Channels
8-channel, 10-bit ADC
Differential mode with selectable gain at 1×, 10× or 200×
Byte-oriented Two-wire Serial Interface
Two Programmable Serial USART
Master/Slave SPI Serial Interface
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 RC Oscillator
External and Internal Interrupt Sources
Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby and
Extended Standby
I/O and Packages
32 Programmable I/O Lines
40-pin PDIP, 44-lead TQFP, 44-pad VQFN/QFN/MLF (ATmega164P/324P/644P)
44-pad DRQFN (ATmega164P)
Operating Voltages
1.8V - 5.5V for ATmega164P/324P/644PV
2.7V - 5.5V for ATmega164P/324P/644P
Speed Grades
ATmega164P/324P/644PV: 0 - 4 MHz @ 1.8V - 5.5V, 0 - 10 MHz @ 2.7V - 5.5V
ATmega164P/324P/644P: 0 - 10 MHz @ 2.7V - 5.5V, 0 - 20 MHz @ 4.5V - 5.5V
Power Consumption at 1 MHz, 1.8V, 25°C for ATmega164P/324P/644PV
Active: 0.4 mA
Power-down Mode: 0.1 µA
Power-save Mode: 0.6 µA (Including 32 kHz RTC)
Note: 1. See ”Data Retention” on page 8.
8-bit Atmel
Microcontroller
with
16K/32K/64K
Bytes In-System
Programmable
Flash
ATmega164P/V
ATmega324P/V
ATmega644P/V
8011Q–AVR–02/2013
Verzeichnis

ATMEGA644P-20PU Datenblatt-PDF

ATMEGA644P-20PU Datenblatt PDF
Microchip
14 Seiten, 393 KB
ATMEGA644P-20PU Programmierhandbuch
Microchip
506 Seiten, 12567 KB
ATMEGA644P-20PU Anderes Datenblatt
Microchip
11 Seiten, 148 KB
ATMEGA644P-20PU Notizdatei
Microchip
9 Seiten, 231 KB
ATMEGA644P-20PU Andere Referenzen
Microchip
1 Seiten, 174 KB

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