W741C202 Просмотр технического описания (PDF) - Winbond

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W741C202

4-BIT MICROCONTROLLER

Winbond 

000H

16 bits

Preliminary W741C20X

2048

address

TABH TABL ACC

-xxx xxxx xxyy

Offset

011x xxxx xxxx

600H

3210

7FFH

2048 x 16-bit

ROM address = 600H + Offset/4

This area can be used to store both instruction code

and look-up table

Each element (4 bits) of the look-up table

Figure 1. Program Memory Organization

Data Memory (RAM)

1. Architecture

The static data memory (RAM) used to store data is arranged as 128 × 4 bits. The data memory can

be addressed directly or indirectly. The organization of the data memory is shown in Figure 2.

4 bits

00H

: Working Register

0FH

128

address

7FH

128 x 4-bit

Figure 2. Data Memory Organization

Publication Release Date: March 1998

-7-

Revision A3

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