DS80C390 datasheet(4/53 Pages) DALLAS

Part #	DS80C390

Description	Dual CAN High-Speed Microprocessor

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Manufacturer	DALLAS [Dallas Semiconductor]

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

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DS80C390 Dual CAN High-Speed Microprocessor

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AC SYMBOLS

The DS80C390 uses timing parameters and symbols similar to the original 8051 family. The following list of timing

symbols is provided as an aid to understanding the timing diagrams.

SYMBOL

FUNCTION

t

Time

A

Address

C

Clock

CE

Chip Enable

D

Input Data

H

Logic Level High

L

Logic Level Low

I

Instruction

P

PSEN

Q

Output Data

R

RD Signal

V

Valid

W

WR Signal

X

No longer a valid logic level.

Z

Tri-State

Figure 1. Multiplexed External Program Memory Read Cycle

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DS80C390 Datasheet(PDF) 4 Page - Dallas Semiconductor

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