Table Of Contents - Holtek HT66F20 Manual

Table of Contents

Features ............................................................................................................ 7
CPU Feat�res ........................................................................................................................ �
Peripheral Feat�res ................................................................................................................ 8
General Description ......................................................................................... 9
Selection Table ............................................................................................... 10
Block Diagram .................................................................................................11
Pin Assignment .............................................................................................. 12
Pin Description .............................................................................................. 16
Absolute Maximum Ratings .......................................................................... 22
D.C. Characteristics ....................................................................................... 23
A.C. Characteristics ....................................................................................... 24
A/D Converter Characteristics ...................................................................... 25
Comparator Electrical Characteristics ........................................................ 26
Power-on Reset Characteristics ................................................................... 26
System Architecture ...................................................................................... 27
Clocking and Pipelining ......................................................................................................... 2�
Program Co�nter ................................................................................................................... 28
Stack ..................................................................................................................................... 29
Arithmetic and Logic Unit - ALU ........................................................................................... 29
Flash Program Memory ................................................................................. 30
Str�ct�re ................................................................................................................................ 30
Special Vectors ..................................................................................................................... 3�
Look-�p Table ........................................................................................................................ 3�
Table Program Example ........................................................................................................ 32
In Circ�it Programming - ICP ............................................................................................... 33
Data Memory .................................................................................................. 34
Str�ct�re ................................................................................................................................ 34
Special Function Register Description ........................................................ 38
Indirect Addressing Registers - IAR0� IAR� ......................................................................... 38
Memory Pointers - MP0� MP� .............................................................................................. 38
Bank Pointer - BP ................................................................................................................. 39
Acc�m�lator - ACC ............................................................................................................... 4�
Program Co�nter Low Register - PCL .................................................................................. 4�
Look-�p Table Registers - TBLP� TBHP� TBLH ..................................................................... 4�
Stat�s Register - STATUS .................................................................................................... 42
Rev. 2.50
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
2 ��ne 22� 20��