SMSC COM20020 Bedienungsanleitung PDF herunterladen (Seite 31)

31

Address Pointer Register

Low

2K x 8

RAM

11

Data Register

8

I/O Address 04H

I/O Address 03H

11-Bit Counter

Memory

Address Bus

Memory

Data Bus

D0-D7

High

I/O Address 02H

INTERNAL

FIGURE 7 - SEQUENTIAL ACCESS OPERATION

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 59 60

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