Holtek HT66F20 - Table of Contents

Rev. 2.50 2 June 22, 2017 Rev. 2.50 3 June 22, 2017
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
Table of Contents
Features ............................................................................................................ 7
CPU Features ........................................................................................................................ 7
Peripheral Features ................................................................................................................ 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 ......................................................................................................... 27
Program Counter ................................................................................................................... 28
Stack
..................................................................................................................................... 29
Arithmetic and Logic Unit – ALU
........................................................................................... 29
Flash Program Memory ................................................................................. 30
Structure ................................................................................................................................ 30
Special Vectors
..................................................................................................................... 31
Look-up Table ........................................................................................................................ 31
Table Program Example ........................................................................................................ 32
In Circuit Programming – ICP ............................................................................................... 33
Data Memory .................................................................................................. 34
Structure ................................................................................................................................ 34
Special Function Register Description ........................................................ 38
Indirect Addressing Registers – IAR0, IAR1 ......................................................................... 38
Memory Pointers – MP0, MP1 .............................................................................................. 38
Bank Pointer – BP
................................................................................................................. 39
Accumulator – ACC ............................................................................................................... 41
Program Counter Low Register – PCL .................................................................................. 41
Look-up Table Registers – TBLP, TBHP, TBLH ..................................................................... 41
Status Register – STATUS .................................................................................................... 42