Key parameters for ATmega328P

Parameter
Value

Flash (Kbytes):

32 Kbytes

Pin Count:

32

Max. Operating Freq. (MHz):

20 MHz

CPU:

8-bit AVR

# of Touch Channels:

16

Hardware QTouch Acquisition:

No

Max I/O Pins:

23

Ext Interrupts:

24

USB Speed:

No

USB Interface:

No

SPI:

2

TWI (I2C):

1

UART:

1

Graphic LCD:

No

Video Decoder:

No

Camera Interface:

No

ADC channels:

8

ADC Resolution (bits):

10

ADC Speed (ksps):

15

Analog Comparators:

1

Resistive Touch Screen:

No

DAC Resolution (bits):

0

Temp. Sensor:

Yes

Crypto Engine:

No

SRAM (Kbytes):

2

EEPROM (Bytes):

1024

Self Program Memory:

YES

External Bus Interface:

0

DRAM Memory:

No

NAND Interface:

No

picoPower:

Yes

Temp. Range (deg C):

-40 to 85

I/O Supply Class:

1.8 to 5.5

Operating Voltage (Vcc):

1.8 to 5.5

FPU:

No

MPU / MMU:

no / no

Timers:

3

Output Compare channels:

6

Input Capture Channels:

1

PWM Channels:

6

32kHz RTC:

Yes

Calibrated RC Oscillator:

Yes

Watchdog:

Yes

CAN:

0

LIN:

0

Ethernet:

0

Debug Interface:

debugWIRE

I2S:

No

RTC:

Counter