ATMEGA48-20PI Atmel, ATMEGA48-20PI Datasheet - Page 335

• Manufacturer Part Number: ATMEGA48-20PI
• Description: IC AVR MCU 4K 5V 20MHZ 28-DIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48-20PI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: ATMEGA48-24PI; ATMEGA48-24PI

29.11 Internal Oscillator Speed
2545S–AVR–07/10
Figure 29-39. Analog Comparator Offset Voltage vs. Common Mode Voltage (V
Figure 29-40. Watchdog Oscillator Frequency vs. V
3.5
2.5
1.5
0.5
120
115
110
105
100
95
4
3
2
1
0
1.5
0
2
0.5
2.5
1
3
Common Mode Voltage (V)
V
CC
3.5
(V)
1.5
4
CC
4.5
2
ATmega48/88/168
5
2.5
5.5
-40°C
-40°C
85°C
25°C
85°C
CC
= 2.7V)
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