ATMEGA328P-20PU Atmel, ATMEGA328P-20PU Datasheet - Page 410
ATMEGA328P-20PU
Manufacturer Part Number
ATMEGA328P-20PU
Description
Manufacturer
Atmel
Datasheet
1.ATMEGA328P-20PU.pdf
(419 pages)
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
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35.6
35.7
35.8
8025K–AVR–10/09
Rev. 8025F-08/08
Rev. 8025E-08/08
Rev. 8025D-03/08
10.
11.
12.
13.
14.
15.
1.
2.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
1.
2.
3.
4.
Added ATmega328P
Updated description of
Updated description of use of external capacitors in
Added section
Updated figures in
Added Errata for ATmega328P rev. B,
Updated the footnote Note1 of the
Replaced the
Replaced the
Updated
Updated
Updated
Updated
tor” on page
Updated
Added note to
Updated
ATmega328P in the description.
Added
Updated
Removed note 6 and 7 from the table
page
Added figure
Added figure
Added figure
Added
Updated Ordering Information for
Updated note in
Ordering codes for
- ATmega328P is offered in 20 MHz option only.
316.
”” 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
408.
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
311.
219.
12.
408.
”Low Frequency Crystal Oscilla-
44.
313.
408.
updated.
158.
for ATmega48P.
for ATmega88P.
for ATmega168P.
32.
404.
282.
to include
313.
410
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