Flash MCU. HT66F0082 Datasheet

HT66F0082 MCU. Datasheet pdf. Equivalent

HT66F0082 Datasheet
Recommendation HT66F0082 Datasheet
Part HT66F0082
Description A/D Flash MCU
Feature HT66F0082; A/D Flash MCU with EEPROM HT66F0042/HT66F0082 Revision: V1.40 Date: �Au�g�u��s�t��28�,���2�0�1�7 HT.
Manufacture Holtek Semiconductor
Datasheet
Download HT66F0082 Datasheet




Holtek Semiconductor HT66F0082
A/D Flash MCU with EEPROM
HT66F0042/HT66F0082
Revision: V1.40 Date: �Au�g�u��s�t��28�,���2�0�1�7



Holtek Semiconductor HT66F0082
HT66F0042/HT66F0082
A/D Flash MCU with EEPROM
Table of Contents
Features................................................................................................................. 6
CPU Features...............................................................................................................................6
Peripheral Features.......................................................................................................................6
General Description.............................................................................................. 7
Selection Table...................................................................................................... 7
Block Diagram....................................................................................................... 8
Pin Assignment..................................................................................................... 8
Pin Description................................................................................................... 10
Absolute Maximum Ratings............................................................................... 16
D.C. Characteristics............................................................................................ 17
A.C. Characteristics............................................................................................ 19
A/D Converter Electrical Characteristics.......................................................... 20
LVR Electrical Characteristics........................................................................... 20
LCD Electrical Characteristics.......................................................................... 21
Power on Reset Electrical Characteristics....................................................... 21
System Architecture........................................................................................... 22
Clocking and Pipelining...............................................................................................................22
Program Counter.........................................................................................................................23
Stack...........................................................................................................................................23
Arithmetic and Logic Unit – ALU.................................................................................................24
Flash Program Memory...................................................................................... 25
Structure......................................................................................................................................25
Special Vectors...........................................................................................................................25
Look-up Table..............................................................................................................................26
Table Program Example..............................................................................................................26
In Circuit Programming...............................................................................................................27
On-Chip Debug Support – OCDS...............................................................................................28
RAM Data Memory.............................................................................................. 29
Structure......................................................................................................................................29
General Purpose Data Memory..................................................................................................29
Special Purpose Data Memory...................................................................................................29
Special Function Register Description............................................................. 32
Indirect Addressing Registers – IAR0, IAR1...............................................................................32
Memory Pointers – MP0, MP1....................................................................................................32
Bank Pointer – BP.......................................................................................................................33
Accumulator – ACC.....................................................................................................................33
Program Counter Low Register – PCL........................................................................................33
Look-up Table Registers – TBLP, TBHP, TBLH...........................................................................33
Status Register – STATUS..........................................................................................................34
Rev. 1.40
2 August 28, 2017



Holtek Semiconductor HT66F0082
HT66F0042/HT66F0082
A/D Flash MCU with EEPROM
EEPROM Data Memory....................................................................................... 36
EEPROM Data Memory Structure..............................................................................................36
EEPROM Registers....................................................................................................................36
Reading Data from the EEPROM ..............................................................................................38
Writing Data to the EEPROM......................................................................................................38
Write Protection...........................................................................................................................38
EEPROM Interrupt......................................................................................................................38
Programming Considerations......................................................................................................39
Oscillators........................................................................................................... 40
Oscillator Overview.....................................................................................................................40
System Clock Configurations......................................................................................................40
Internal RC Oscillator – HIRC.....................................................................................................41
Internal 32kHz Oscillator – LIRC.................................................................................................41
External 32.768kHz Crystal Oscillator – LXT..............................................................................41
Supplementary Oscillator............................................................................................................43
Operating Modes and System Clocks.............................................................. 43
System Clocks............................................................................................................................43
System Operation Modes............................................................................................................44
Control Register..........................................................................................................................46
Operating Mode Switching .........................................................................................................47
Standby Current Considerations.................................................................................................52
Wake-up......................................................................................................................................52
Watchdog Timer.................................................................................................. 53
Watchdog Timer Clock Source....................................................................................................53
Watchdog Timer Control Register...............................................................................................53
Watchdog Timer Operation.........................................................................................................54
Reset and Initialisation....................................................................................... 55
Reset Functions..........................................................................................................................55
Reset Initial Conditions...............................................................................................................58
Input/Output Ports.............................................................................................. 62
Pull-high Resistors......................................................................................................................62
Port A Wake-up...........................................................................................................................63
I/O Port Control Registers...........................................................................................................63
Pin-shared Functions..................................................................................................................63
I/O Port Source Current Control..................................................................................................69
I/O Pin Structures........................................................................................................................71
Programming Considerations......................................................................................................72
Timer Modules ................................................................................................... 72
Introduction.................................................................................................................................72
TM Operation..............................................................................................................................73
TM Clock Source.........................................................................................................................73
TM Interrupt.................................................................................................................................73
TM External Pins.........................................................................................................................73
Rev. 1.40
3 August 28, 2017





@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)