BS83A04A-3/BS83A04A-4
8-bit Touch Key Flash MCU
Table of Contents
Features............................................................................................................ 5
CPU �eatꢂꢁes ......................................................................................................................... 5
Peꢁipheꢁal �eatꢂꢁes................................................................................................................. 5
General Description ........................................................................................ 6
Selection Table................................................................................................. 6
Block Diagram.................................................................................................. 6
Pin Assignment................................................................................................ 7
Pin Description ................................................................................................ 7
Absolute Maximum Ratings............................................................................ 8
D.C. Characteristics......................................................................................... 8
A.C. Characteristics......................................................................................... 9
Power-on Reset Characteristics..................................................................... 9
System Architecture...................................................................................... 10
Clocking and Pipelining......................................................................................................... 10
Pꢁogꢁam Coꢂnteꢁ – PC...........................................................................................................11
Stack ..................................................................................................................................... 1ꢄ
Aꢁithmetic and Logic Unit – ALU ........................................................................................... 1ꢄ
Flash Progam Memory .................................................................................. 13
Stꢁꢂctꢂꢁe................................................................................................................................ 1ꢇ
Special Vectoꢁs ..................................................................................................................... 1ꢇ
Look-ꢂp Taꢀle........................................................................................................................ 1ꢇ
Taꢀle Pꢁogꢁam Example........................................................................................................ 14
In Ciꢁcꢂit Pꢁogꢁamming ......................................................................................................... 15
On-chip Deꢀꢂg Sꢂppoꢁt – OCDS.......................................................................................... 16
RAM Data Memory......................................................................................... 17
Stꢁꢂctꢂꢁe................................................................................................................................ 17
Special Function Register............................................................................. 17
Indiꢁect Addꢁessing Registeꢁs – IAR0ꢆ IAR1 ......................................................................... 17
Memoꢁꢃ Pointeꢁs – MP0ꢆ MP1 .............................................................................................. 19
Accꢂmꢂlatoꢁ – ACC............................................................................................................... 19
Pꢁogꢁam Coꢂnteꢁ Low Registeꢁ – PCL.................................................................................. ꢄ0
Look-ꢂp Taꢀle Registeꢁs – TBLPꢆ TBHPꢆ TBLH..................................................................... ꢄ0
Statꢂs Registeꢁ – STATUS.................................................................................................... ꢄ0
Sꢃstem Contꢁol Registeꢁ – CTRL.......................................................................................... ꢄꢄ
Rev. 1.00
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�eꢀꢁꢂaꢁꢃ ꢄꢅꢆ ꢄ01ꢇ
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