Data Register

 

I/O Address 04H

Memory

 

 

Data Bus

D0-D7

 

2K x 8

 

8

 

 

INTERNAL

 

 

RAM

Address Pointer Register

 

I/O Address 02H

I/O Address 03H

 

High

Low

 

 

 

Memory

 

 

Address Bus

11-Bit Counter

 

 

 

11

FIGURE 7 - SEQUENTIAL ACCESS OPERATION

31

Page 31
Image 31
SMSC COM20020 manual Sequential Access Operation