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

• Manufacturer Part Number: ATMEGA329P-20AN
• Description: IC MCU AVR 32K 20MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA329P-20AN

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
1.
2.
3.
4.
5.
6.
7.
8.
1.
1.
2.
3.
1.
Added
Updated description of
Updated description of
Added notes to the overview section of
Updated address of
Bullet five updated in
152.
Updated
Added errata for
C” on page
Updated.”Errata” on page
Updated
Updated
Updated
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
417.
”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
416.
1.
9.
”External Interrupts” on page
342.
14.
ATmega329P/3290P
and
336.
336.
”ATmega3290P rev.
90.
30.
58.
25