DS80C390 datasheet(1/58 Pages) DALLAS

Part #	DS80C390

Description	Dual CAN High-Speed Microprocessor

PDF	58 Pages

Scroll/Zoom	100%

Manufacturer	DALLAS [Dallas Semiconductor]

Direct Link	https://www.maximintegrated.com/en.html

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1 / 58 page

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110199

FEATURES

§ 80C52 compatible

− 8051 instruction-set compatible

− Four 8-bit I/O ports

− Three 16-bit timer/counters

− 256 bytes scratchpad RAM

§ High-Speed Architecture

− 4 clocks/machine cycle (8051=12)

− Runs DC to 40 MHz clock rates

− Frequency multiplier reduces EMI

− Single-cycle instruction in 100 ns

− 16/32-bit math coprocessor

§ 4 kB internal SRAM usable as

program/data/stack memory

§ Enhanced memory architecture

− Addresses up to 4 MB external

− Defaults to true 8051 memory compatibility

− User-enabled 22-bit program/data counter

− 16-Bit/22-bit paged/22-bit contiguous

modes

− User-selectable multiplexed / non-

multiplexed memory interface

− Optional 10 bit stack pointer

§ Two full-function CAN 2.0B controllers

− 15 message centers per controller

− Standard 11-bit or extended 29-bit

identification modes

− Supports DeviceNet, SDS, and higher layer

CAN protocols

− Disables transmitter during autobaud

− SIESTA low power mode

§ Two full-duplex hardware serial ports

§ Programmable IrDA clock

§ High integration controller includes

− Power-fail reset

− Early-warning power-fail interrupt

− Programmable watchdog timer

− Oscillator-fail detection

§ 16 total interrupt sources with 6 external

§ Available in 64-pin QFP, 68-pin PLCC

PIN ASSIGNMENT

DS80C390

Dual CAN High-Speed

Microprocessor

www.dalsemi.com

64-PIN QFP

PRELIMINARY

1

61

9

10

26

27

43

60

44

DS80C390

68-PIN PLCC

49

DS80C390

48

33

32

17

16

1

64

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DS80C390 Datasheet(PDF) 1 Page - Dallas Semiconductor

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