ATMEGA329P-20AU Atmel, ATMEGA329P-20AU Datasheet - Page 25

• Manufacturer Part Number: ATMEGA329P-20AU
• Description: IC MCU 32K 4X25 LCD CTRL 64-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA329P-20AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 54
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 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: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: SPI/USART/USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 54
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• 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 SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ATMEGA329P-16AU; ATMEGA329P-16AU

11.4
11.5
11.6
11.7
8021GS–AVR–03/11
Rev.8021D – 06/08
Rev.8021C – 08/07
Rev.8021B – 08/07
Rev.8021A – 12/06
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Updated description of
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Bullet five updated in
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C” on page
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Initial version.
”Data Retention” on page
”System and Reset Characteristics” on page
”Features” on page
”System and Reset Characteristics” on page
”Typical Characteristics” on page
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”ATmega329P rev. C” on page 416
”PORTA – Port A Data Register” on page
”Asynchronous Operation of Timer/Counter2” on page
”Stack Pointer” on page
”Low-frequency Crystal Oscillator” on page
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”External Interrupts” on page
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ATmega329P/3290P
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