BS85C20-3 参数 Datasheet PDF下载

Contents

Technical Document ...........................................................................1

Features ...............................................................................................1

CPU Features ........................................................................................................1

Peripheral Features ................................................................................................1

General Description ............................................................................2

Selection Table ....................................................................................2

Block Diagram .....................................................................................2

Pin Assignment ...................................................................................3

Pin Description ....................................................................................4

BS85B12-3.............................................................................................................4

BS85C20-3.............................................................................................................7

Absolute Maximum Ratings .............................................................11

D.C. Characteristics ..........................................................................11

A.C. Characteristics ..........................................................................13

Power-on Reset Characteristics ......................................................14

Oscillator Temperature/Frequency Characteristics .......................14

System Architecture .........................................................................17

Clocking and Pipelining ........................................................................................17

Program Counter..................................................................................................18

Stack ....................................................................................................................18

Arithmetic and Logic Unit

-

ALU ...........................................................................19

Flash Program Memory ....................................................................21

Structure...............................................................................................................21

Special Vectors.....................................................................................................22

Look-up Table.......................................................................................................22

Table Program Example.....................................................................................22

In Circuit Programming.........................................................................................23

RAM Data Memory.............................................................................22

Structure...............................................................................................................22

i