ATMEGA168-20AUR Atmel, ATMEGA168-20AUR Datasheet - Page 329

• Manufacturer Part Number: ATMEGA168-20AUR
• Description: MCU AVR 16KB FLASH 20MHZ 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA168-20AUR

• 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, 32-VQFP
• Package: 32TQFP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 23
• Interface Type: SPI/TWI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• For Use With: ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

29.9
2545S–AVR–07/10
Pin Thresholds and Hysteresis
Figure 29-27. I/O Pin Sink Current vs. Output Voltage (V
Figure 29-28. I/O Pin Input Threshold Voltage vs. V
2.5
1.5
0.5
14
12
10
8
6
4
2
0
3
2
1
0
1.5
0
0.2
2
0.4
2.5
0.6
3
0.8
V
V
OL
CC (V)
3.5
1
(V)
1.2
4
CC
(VIH, I/O Pin Read As '1')
1.4
CC
4.5
= 1.8V)
ATmega48/88/168
1.6
5
1.8
-40°C
25°C
85°C
5.5
2
-40°C
85°C
25°C
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