AM79C90 Просмотр технического описания (PDF) - Advanced Micro Devices

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производитель

AM79C90

CMOS Local Area Network Controller for Ethernet (C-LANCE)

Advanced Micro Devices 

AMD

TCLK

HOLD

HLDA

A16–A23

BM0, BM1

ALE

DAS

READY

DAL0–DAL15

(Read)

DALO

(Read)

DALI

(Read)

READ

(Read)

PRELIMINARY

TWAIT

T0

T1

T2

T3

T4

T5

T6

0

100

200

300

400

500

600

700

O.D.

Address, BM0, BM1

Address

Data In

Figure 5-1. Bus Master Read Timing (Single DMA Cycle)

17881B-11

16

Am79C90

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