ATMEGA329P-20MN Atmel, ATMEGA329P-20MN Datasheet - Page 339

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

Specifications of ATMEGA329P-20MN

• 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-MLF®, 64-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8021G–AVR–03/11
Figure 28-6. SPI Interface Timing Requirements (Slave Mode)
(Data Output)
(Data Input)
(CPOL = 0)
(CPOL = 1)
MOSI
MISO
SCK
SCK
SS
9
13
MSB
MSB
14
15
...
...
ATmega329P/3290P
11
10
LSB
LSB
11
12
16
X
17
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