ATMEGA48PA-AN Atmel, ATMEGA48PA-AN Datasheet - Page 392

• Manufacturer Part Number: ATMEGA48PA-AN
• Description: MCU AVR 4KB FLASH 20MHZ 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48PA-AN

• 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): 1.8 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

29.3.11
8161D–AVR–10/09
Internal Oscilllator Speed
Figure 29-125.ATmega168PA: BOD Thresholds vs. Temperature (BODLEVEL is 4.3 V)
Figure 29-126.ATmega168PA: Watchdog Oscillator Frequency vs. Temperature
4.34
4.32
4.28
4.26
4.24
4.22
4.3
4.2
121
119
117
115
113
111
-50
-40
-40
-30
-30
-20
-20
-10
-10
ATmega48PA/88PA/168PA/328P
0
0
10
Temperature (°C)
10
Temperature (°C)
Falling Vcc
Rising Vcc
20
20
30
30
40
40
50
50
60
60
70
70
80
80
90
90
2.7 V
3.3 V
5.5 V
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