Microchip ATMEGA1284-PU, 8bit AVR Microcontroller, ATmega, 20MHz, 128 kB Flash, 40-Pin PDIP

Technical Reference

Discontinued product

Attribute	Value
Family Name	ATmega
Package Type	PDIP
Mounting Type	Through Hole
Pin Count	40
Device Core	AVR
Data Bus Width	8bit
Program Memory Size	128 kB
Maximum Frequency	20MHz
RAM Size	16 kB, 4 kB
Number of PWM Units	1
Number of SPI Channels	1
Number of USART Channels	2
Number of CAN Channels	0
Number of I2C Channels	1
Typical Operating Supply Voltage	1.8 → 5.5 V
Number of UART Channels	0
Number of ADC Units	1
Instruction Set Architecture	RISC
Number of PCI Channels	0
Number of Ethernet Channels	0
Program Memory Type	Flash
Dimensions	52.58 x 13.97 x 4.826mm
Number of LIN Channels	0
Height	4.826mm
Minimum Operating Temperature	-40 °C
Pulse Width Modulation	1(6 Channel)
Width	13.97mm
ADCs	8 x 10 bit
Maximum Number of Ethernet Channels	0
Length	52.58mm
Maximum Operating Temperature	+85 °C