ATMEGA48P-20MMUR Atmel, ATMEGA48P-20MMUR Datasheet - Page 340

• Manufacturer Part Number: ATMEGA48P-20MMUR
• Description: MCU AVR 4K FLASH 20MHZ 28QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48P-20MMUR

• 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 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

29.1.11
8025L–AVR–7/10
Internal Oscilllator Speed
Figure 29-34. Watchdog Oscillator Frequency vs. Temperature.
Figure 29-35. Watchdog Oscillator Frequency vs. V
114
113
112
111
110
109
108
107
106
105
104
103
113
112
111
110
109
108
107
106
105
104
103
-50
1.5
-40
-30
2
-20
2.5
-10
0
3
10
Temperature
20
V
CC
3.5
(V)
30
CC
( ° C)
ATmega48P/88P/168P
40
.
4
50
60
4.5
70
80
5
90
2.7 V
3.3 V
4.0 V
4.5 V
5.5 V
100
5.5
-40 °C
25 °C
85 °C
340