ATMEGA168P-20ANR Atmel, ATMEGA168P-20ANR Datasheet - Page 388

• Manufacturer Part Number: ATMEGA168P-20ANR
• Description: IC MCU AVR 16K FLASH 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA168P-20ANR

• 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: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K 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: 32-TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

29.3.11
8025L–AVR–7/10
Internal Oscilllator Speed
Figure 29-126.Watchdog Oscillator Frequency vs. Temperature.
Figure 29-127.Watchdog Oscillator Frequency vs. V
120
118
116
114
112
110
108
106
104
120
119
118
117
116
115
114
113
112
111
110
109
1.5
0
10
2
20
30
2.5
40
3
50
Temperature (°C)
V
60
CC
3.5
(V)
70
CC
ATmega48P/88P/168P
.
4
80
2.7 V
3.3 V
5.0 V
90
4.5
100
110
5
120
5.5
25 °C
85 °C
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