Specifications

Product overview and Technical data sheets

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Product Details

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Select all	Attribute	Value
	Brand	Microchip
	Family Name	AT89
	Package Type	PLCC
	Mounting Type	Surface Mount
	Pin Count	44
	Device Core	80C51
	Data Bus Width	8bit
	Program Memory Size	64 kB
	Maximum Frequency	40 MHz, 60 MHz
	RAM Size	2.25 kB
	USB Channels	0
	Number of PWM Units	1 x 8 bit
	Number of SPI Channels	1
	Number of CAN Channels	1
	Number of UART Channels	1
	Typical Operating Supply Voltage	3 → 5.5 V
	Program Memory Type	Flash
	Instruction Set Architecture	CISC
	Dimensions	16.66 x 16.66 x 4.06mm
	ADCs	8 x 10 bit
	Length	16.66mm
	Pulse Width Modulation	1 (5 x 8 bit)
	Minimum Operating Temperature	-40 °C
	Width	16.66mm
	Height	4.06mm
	Number of Ethernet Channels	0
	Maximum Number of Ethernet Channels	0
	Number of ADC Units	1
	Maximum Operating Temperature	+85 °C

	Select all
	Brand Microchip
	Family Name AT89
	Package Type PLCC
	Mounting Type Surface Mount
	Pin Count 44
	Device Core 80C51
	Data Bus Width 8bit
	Program Memory Size 64 kB
	Maximum Frequency 40 MHz, 60 MHz
	RAM Size 2.25 kB
	USB Channels 0
	Number of PWM Units 1 x 8 bit
	Number of SPI Channels 1
	Number of CAN Channels 1
	Number of UART Channels 1
	Typical Operating Supply Voltage 3 → 5.5 V
	Program Memory Type Flash
	Instruction Set Architecture CISC
	Dimensions 16.66 x 16.66 x 4.06mm
	ADCs 8 x 10 bit
	Length 16.66mm
	Pulse Width Modulation 1 (5 x 8 bit)
	Minimum Operating Temperature -40 °C
	Width 16.66mm
	Height 4.06mm
	Number of Ethernet Channels 0
	Maximum Number of Ethernet Channels 0
	Number of ADC Units 1
	Maximum Operating Temperature +85 °C

8051 Architecture CAN Networking Microcontrollers

Atmel offers 8051 flash microcontrollers that supports Controller Area Network (CAN) networking.

For these non-cancellable (NC), and non-returnable (NR) products, Terms and Conditions apply.

8051 Architecture Microcontrollers

Atmel's 8-bit microcontrollers (MCUs) based on the 8051 instruction set, combine proven technology with the latest features and functionality, with all featuring advanced flash memory.

Device Family

Single Cycle Core
Flash ISP (In-System Programmable)
Flash (Reprogrammable)
CAN Networking MCUs
USB MCUs
ROMless

Microchip, 8bit 80C51, AT89 Microcontroller, 40 MHz, 60 MHz, 64 kB Flash, 44-Pin PLCC

8051 Architecture CAN Networking Microcontrollers

For these non-cancellable (NC), and non-returnable (NR) products, Terms and Conditions apply.

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