HT46R068B/HT46R069B
Enhanced A/D Type 8-bit OTP MCU
Table of Contents
Features ......................................................................................................................... 1
CPU Featꢀꢁes ......................................................................................................................1
Peꢁipheꢁal Featꢀꢁes..............................................................................................................1
General Description ...................................................................................................... 2
Selection Table .............................................................................................................. 2
Block Diagram ............................................................................................................... 2
Pin Assignment ............................................................................................................. 3
Pin Description.............................................................................................................. 5
Absolute Maximum Ratings ......................................................................................... 7
D.C. Characteristics ...................................................................................................... 7
A.C. Characteristics ...................................................................................................... 9
ADC Characteristics.................................................................................................... 10
DAC Electrical Characteristics................................................................................... 10
Power-on Reset Characteristics ................................................................................ 10
System Architecture.................................................................................................... 11
Clocking and Pipelining......................................................................................................11
Pꢁogꢁam Coꢀnteꢁ................................................................................................................1ꢃ
Stack ..................................................................................................................................13
Aꢁithmetic and Logic Unit – ALU ........................................................................................13
Program Memory......................................................................................................... 14
Stꢁꢀctꢀꢁe.............................................................................................................................14
Special Vectoꢁs ..................................................................................................................15
Look-ꢀp Table.....................................................................................................................15
Table Pꢁogꢁam Example.....................................................................................................1ꢄ
Data Memory................................................................................................................ 18
Stꢁꢀctꢀꢁe.............................................................................................................................18
Special Pꢀꢁpose Data Memoꢁꢂ ..........................................................................................19
Special Function Registers ........................................................................................ 20
Indiꢁect Addꢁessing Registeꢁs – IAR0ꢅ IAR1 ......................................................................ꢃ0
Memoꢁꢂ Pointeꢁs – MP0ꢅ MP1 ...........................................................................................ꢃ0
Accꢀmꢀlatoꢁ – ACC............................................................................................................ꢃ3
Pꢁogꢁam Coꢀnteꢁ Low Registeꢁ – PCL...............................................................................ꢃ3
Bank Pointeꢁ – BP..............................................................................................................ꢃ3
Statꢀs Registeꢁ – STATUS.................................................................................................ꢃ4
Inpꢀt/Oꢀtpꢀt Poꢁts and Contꢁol Registeꢁs ..........................................................................ꢃ5
Sꢂstem Contꢁol Registeꢁs – CTRL0ꢅ CTRL1ꢅ CTRLꢃ ........................................................ꢃꢄ
Wake-ꢀp Fꢀnction Registeꢁ – PAWK..................................................................................ꢃ8
Pꢀll-high Registeꢁs – PAPUꢅ PBPUꢅ PCPUꢅ PDPUꢅ PEPUꢅ PFPU ....................................ꢃ8
Softwaꢁe COM Registeꢁ – SCOMC....................................................................................ꢃ8
Rev. 1.00
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�anꢀaꢁꢂ ꢃꢄꢅ ꢃ011
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
