ATMEGA328P-20PU Atmel, ATMEGA328P-20PU Datasheet - Page 410

• Manufacturer Part Number: ATMEGA328P-20PU
• Manufacturer: Atmel

Specifications of ATMEGA328P-20PU

• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: SPI/TWI/USART
• Program Memory Type: Flash
• Program Memory Size: 32KB
• Total Internal Ram Size: 2KB
• # I/os (max): 23
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 6-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Through Hole
• Pin Count: 28
• Package Type: PDIP
• Lead Free Status / Rohs Status: Compliant

35.6
35.7
35.8
8025K–AVR–10/09
Rev. 8025F-08/08
Rev. 8025E-08/08
Rev. 8025D-03/08
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Added ATmega328P
Updated description of
Updated description of use of external capacitors in
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Added Errata for ATmega328P rev. B,
Updated the footnote Note1 of the
Replaced the
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tor” on page
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ATmega328P in the description.
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Updated Ordering Information for
Updated note in
Ordering codes for
- ATmega328P is offered in 20 MHz option only.
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”” on page
”Register Summary” on page
”Errata” on page
”MCUCR – MCU Control Register” on page
”TCCR2B – Timer/Counter Control Register B” on page
”Register Summary” on page 394
Table 8-10
”Speed Grades” on page 311
”Program And Data Memory Lock Bits” on page 290
32.
”Minimum Reset Pulse width vs. VCC.” on page 345
”Minimum Reset Pulse width vs. VCC.” on page 369
”Minimum Reset Pulse width vs. VCC.” on page 393
Figure 29-69 on page 358
Figure 29-173 on page 419
”Address Match Unit” on page
”Reading the Signature Row from Software” on page
Table 28-4
311.
”Speed Grades” on page
”Packaging Information” on page 404
in
”Standby Supply Current” on page
”Low Frequency Crystal Oscillator” on page
”Stack Pointer” on page
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in
”System and Reset Characteristics” on page
”Packaging Information” on page
Table 28-4 on page
394.
”” on page
for ATmega328P.
”2-wire Serial Interface Characteristics” on
by a correct one.
by a correct one.
with Power-save numbers.
ATmega48P/88P/168P
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”Low Frequency Crystal Oscilla-
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for ATmega88P.
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