Contents
Table of 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
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