ATMEGA168P-20MQ Atmel, ATMEGA168P-20MQ Datasheet - Page 318

• Manufacturer Part Number: ATMEGA168P-20MQ
• Description: MCU AVR 16K FLASH 20MHZ 32-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA168P-20MQ

• 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-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• 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

8025L–AVR–7/10
3. C
4. f
5. This requirement applies to all ATmega48P/88P/168P 2-wire Serial Interface operation. Other devices connected to the 2-
wire Serial Bus need only obey the general f
CK
b
= capacitance of one bus line in pF.
= CPU clock frequency
Figure 28-6. 2-wire Serial Bus Timing
SCL
SDA
t
SU;STA
SCL
t
HD;STA
requirement.
t
t
of
LOW
t
HIGH
t
HD;DAT
t
LOW
ATmega48P/88P/168P
t
SU;DAT
t
SU;STO
t
r
t
BUF
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