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DS80C390 Dataheets PDF



Part Number DS80C390
Manufacturers Maxim Integrated
Logo Maxim Integrated
Description Dual CAN High-Speed Microprocessor
Datasheet DS80C390 DatasheetDS80C390 Datasheet (PDF)

GENERAL DESCRIPTION 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 hardw.

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GENERAL DESCRIPTION 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. The High-Speed Microcontroller User’s Guide and High-Speed Microcontroller User’s Guide: DS80C390 Supplement must be used in conjunction with this data sheet. Download both at: www.maxim-ic.com/microcontrollers. APPLICATIONS Industrial Controls Factory Automation Medical Equipment Agricultural Equipment Gaming Equipment H.


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