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ATMEGA329P Datasheet(PDF) 5 Page - ATMEL Corporation |
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ATMEGA329P Datasheet(HTML) 5 Page - ATMEL Corporation |
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5 / 427 page  5 8021G–AVR–03/11 ATmega329P/3290P resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers. The ATmel®AVR® ATmega329P/3290P provides the following features: 32K bytes of In-System Programmable Flash with Read-While-Write capabilities, 1Kbytes EEPROM, 2Kbyte SRAM, 54/69 general purpose I/O lines, 32 general purpose working registers, a JTAG interface for Boundary-scan, On-chip Debugging support and programming, a complete On-chip LCD con- troller with internal contrast control, three flexible Timer/Counters with compare modes, internal and external interrupts, a serial programmable USART, Universal Serial Interface with Start Condition Detector, an 8-channel, 10-bit ADC, a programmable Watchdog Timer with internal Oscillator, an SPI serial port, and five software selectable power saving modes. The Idle mode stops the CPU while allowing the SRAM, Timer/Counters, SPI port, and interrupt system to con- tinue functioning. The Power-down mode saves the register contents but freezes the Oscillator, disabling all other chip functions until the next interrupt or hardware reset. In Power-save mode, the asynchronous timer and the LCD controller continues to run, allowing the user to maintain a timer base and operate the LCD display while the rest of the device is sleeping. The ADC Noise Reduction mode stops the CPU and all I/O modules except asynchronous timer, LCD controller and ADC, to minimize switching noise during ADC conversions. In Standby mode, the crys- tal/resonator Oscillator is running while the rest of the device is sleeping. This allows very fast start-up combined with low-power consumption. The device is manufactured using Atmel’s high density non-volatile memory technology. The On-chip In-System re-Programmable (ISP) Flash allows the program memory to be repro- grammed In-System through an SPI serial interface, by a conventional non-volatile memory programmer, or by an On-chip Boot program running on the AVR core. The Boot program can use any interface to download the application program in the Application Flash memory. Soft- ware in the Boot Flash section will continue to run while the Application Flash section is updated, providing true Read-While-Write operation. By combining an 8-bit RISC CPU with In-System Self-Programmable Flash on a monolithic chip, the Atmel ATmega329P/3290P is a powerful microcontroller that provides a highly flexible and cost effective solution to many embedded con- trol applications. The ATmega329P/3290P AVR is supported with a full suite of program and system develop- ment tools including: C Compilers, Macro Assemblers, Program Debugger/Simulators, In-Circuit Emulators, and Evaluation kits. 2.2 Comparison between ATmega329P, and ATmega3290P. The ATmega329P, and ATmega3290P differ only in pin count and pinout. Table 2-1 on page 5 summarizes the different configurations for the four devices. Table 2-1. Configuration Summary Device Flash EEPROM RAM LCD Segments General Purpose I/O Pins ATmega329P 32Kbytes 1Kbytes 2Kbytes 4 x 25 54 ATmega3290P 32Kbytes 1Kbytes 2Kbytes 4 x 40 69 |
Similar Part No. - ATMEGA329P_14 |
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Similar Description - ATMEGA329P_14 |
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