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Description

General part information

DS80C390 Series

The DS80C390 is a fast 8051-compatible microprocessor with dual CAN 2.0B controllers. The redesigned processor core executes 8051 instructions up to 3X faster than the original for the same crystal speed. The DS80C390 supports a maximum crystal speed of 40MHz, resulting in apparent execution speeds of 100MHz (approximately 2.5X). An optional internal frequency multiplier allows the microprocessor to operate at full speed with a reduced crystal frequency, reducing EMI. A hardware math accelerator further increases the speed of 32-bit and 16-bit multiply and divide operations as well as high-speed shift, normalization, and accumulate functions.TheHigh-Speed Microcontroller User's Guideand theHigh-Speed Microcontroller User's Guide: DS80C390 Supplementshould be used in conjunction with this data sheet. Download both atwww.maximintegrated.com/microcontrollers.ApplicationsAgricultural EquipmentFactory AutomationGaming EquipmentHeating, Ventilation, and Air ConditioningIndustrial ControlsMedical Equipment

Technical Specifications

Parameters and characteristics for this part

SpecificationDS80C390-FNR+
ConnectivityCANbus, SIO, USART, EBI, UART, EMI
Core Processor8051
Core Size (Bit Width)8 Bit
Mounting TypeSurface Mount
Number of I/O32
Operating Temperature (Max)85 °C
Operating Temperature (Min)-40 °C
Oscillator TypeExternal
Package / Case64-LQFP
Package Length10 mm
Package Name64-LQFP
Package Width10 mm
PeripheralsWDT, Power-Fail Reset
Program Memory TypeROMless
RAM Size Depth4 K
RAM Size Width8 bit
Speed40 MHz
Voltage - Supply (Vcc/Vdd) Maximum5.5 V
Voltage - Supply (Vcc/Vdd) Minimum3.85 V

Pricing

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CAD

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