ATMEGA3250P-20AUR Atmel, ATMEGA3250P-20AUR Datasheet - Page 331

• Manufacturer Part Number: ATMEGA3250P-20AUR
• Description: MCU AVR 32K FLASH 20MHZ 100TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA3250P-20AUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 69
• 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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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ATmega325P/3250P
Figure 27-32. I/O Pin Input Threshold Voltage vs. V
Figure 27-33. I/O Pin Input Hysteresis vs. V
2.5
1.5
0.5
2
1
0
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.5
0
1.5
2
2
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
I/O PIN INPUT HYSTERESIS vs. V
2.5
2.5
3
3
VIL, IO PIN READ AS '0'
CC
V
CC
V
3.5
, Port B
CC
3.5
(V)
(V)
CC
, Port B (V
4
4
CC
, PORT B
4.5
CC
4.5
IL
, PORT B
, IO Pin Read as ¨0¨)
5
5
5.5
5.5
-40 °C
85 °C
25 °C
-40 °C
8023F–AVR–07/09
25 °C
85 °C