ATMEGA168-20AUR Atmel, ATMEGA168-20AUR Datasheet - Page 332

• 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

29.10 BOD Thresholds and Analog Comparator Offset
332
ATmega48/88/168
Figure 29-33. Reset Input Pin Hysteresis vs. V
Figure 29-34. BOD Thresholds vs. Temperature (BODLEVEL is 4.3V)
4.45
4.35
4.25
600
500
400
300
200
100
4.5
4.4
4.3
4.2
0
-50
2
-40
-30
2.5
-20
-10
3
0
10
Temperature (°C)
3.5
Falling Vcc
Rising Vcc
20
V
CC
(V)
30
CC
4
40
50
4.5
60
70
80
5
90
100
5.5
VIL
2545S–AVR–07/10