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Flash MCU. HT66FB574 Datasheet

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Flash MCU. HT66FB574 Datasheet






HT66FB574 MCU. Datasheet pdf. Equivalent




HT66FB574 MCU. Datasheet pdf. Equivalent





Part

HT66FB574

Description

USB RGB LED Flash MCU



Feature


USB RGB LED Flash MCU HT66FB572/HT66FB57 4/HT66FB576 Revision: V1.70 Date: �J a�n�u�a�r�y��26�,� �2�0�1�8 HT66FB572/HT66FB574 /HT66FB576 USB RGB LED Flash MCU Table of Contents Features................... ....................................... ....................................... ................ 7 CPU Features........ ...................................................
Manufacture

Holtek Semiconductor

Datasheet
Download HT66FB574 Datasheet


Holtek Semiconductor HT66FB574

HT66FB574; ........................................ .............................7 Peripher al Features............................ ....................................... ....................................... .............7 General Description..... ....................................... ....................................... ........... 8 Selection Table.......... ...................


Holtek Semiconductor HT66FB574

........................................ .................................. 9 Bl ock Diagram............................ ....................................... .................................... 9 Pin Assignment.................. .


Holtek Semiconductor HT66FB574

.

Part

HT66FB574

Description

USB RGB LED Flash MCU



Feature


USB RGB LED Flash MCU HT66FB572/HT66FB57 4/HT66FB576 Revision: V1.70 Date: �J a�n�u�a�r�y��26�,� �2�0�1�8 HT66FB572/HT66FB574 /HT66FB576 USB RGB LED Flash MCU Table of Contents Features................... ....................................... ....................................... ................ 7 CPU Features........ ...................................................
Manufacture

Holtek Semiconductor

Datasheet
Download HT66FB574 Datasheet




 HT66FB574
USB RGB LED Flash MCU
HT66FB572/HT66FB574/HT66FB576
Revision: V1.70 Date: �J�a�n�u�a�r�y��26�,���2�0�1�8




 HT66FB574
HT66FB572/HT66FB574/HT66FB576
USB RGB LED Flash MCU
Table of Contents
Features................................................................................................................. 7
CPU Features...............................................................................................................................7
Peripheral Features.......................................................................................................................7
General Description.............................................................................................. 8
Selection Table...................................................................................................... 9
Block Diagram....................................................................................................... 9
Pin Assignment................................................................................................... 10
Pin Description................................................................................................... 14
Absolute Maximum Ratings............................................................................... 27
D.C. Characteristics............................................................................................ 28
A.C. Characteristics............................................................................................ 30
A/D Converter Electrical Characteristics.......................................................... 31
LVR/LVD Electrical Characteristics................................................................... 32
Comparator Electrical Characteristics............................................................. 33
Memory Characteristics..................................................................................... 34
USB Electrical Characteristics.......................................................................... 34
Constant Current LED Driver Electrical Characteristics................................. 35
Power-on Reset Characteristics........................................................................ 35
System Architecture........................................................................................... 36
Clocking and Pipelining...............................................................................................................36
Program Counter.........................................................................................................................37
Stack...........................................................................................................................................37
Arithmetic and Logic Unit – ALU.................................................................................................38
Flash Program Memory...................................................................................... 39
Structure......................................................................................................................................39
Special Vectors...........................................................................................................................39
Look-up Table..............................................................................................................................40
Table Program Example..............................................................................................................40
In Circuit Programming – ICP.....................................................................................................41
On-Chip Debug Support – OCDS...............................................................................................42
In Application Programming – IAP..............................................................................................43
In System Programming – ISP....................................................................................................60
Data Memory....................................................................................................... 61
Structure......................................................................................................................................61
Data Memory Addressing............................................................................................................62
General Purpose Data Memory..................................................................................................62
Special Purpose Data Memory...................................................................................................62
Rev. 1.70
2 January 26, 2018




 HT66FB574
HT66FB572/HT66FB574/HT66FB576
USB RGB LED Flash MCU
Special Function Register Description............................................................. 66
Indirect Addressing Registers – IAR0, IAR1, IAR2.....................................................................66
Memory Pointers – MP0, MP1L, MP1H, MP2L, MP2H...............................................................66
Program Memory Bank Pointer – PBP........................................................................................67
Accumulator – ACC.....................................................................................................................68
Program Counter Low Register – PCL........................................................................................68
Look-up Table Registers – TBLP, TBHP, TBLH...........................................................................68
Status Register – STATUS..........................................................................................................69
EEPROM Data Memory....................................................................................... 70
EEPROM Data Memory Structure..............................................................................................70
EEPROM Registers....................................................................................................................70
Reading Data from the EEPROM...............................................................................................72
Writing Data to the EEPROM......................................................................................................72
Write Protection...........................................................................................................................72
EEPROM Interrupt......................................................................................................................72
Programming Considerations......................................................................................................73
Oscillators........................................................................................................... 74
Oscillator Overview.....................................................................................................................74
System Clock Configurations......................................................................................................74
Internal PLL Frequency Generator..............................................................................................75
External Crystal/Ceramic Oscillator – HXT.................................................................................76
Internal High Speed RC Oscillator – HIRC.................................................................................77
Internal 32kHz Oscillator – LIRC.................................................................................................77
Operating Modes and System Clocks.............................................................. 77
System Clocks............................................................................................................................77
System Operation Modes............................................................................................................78
Control Registers........................................................................................................................80
Operating Mode Switching..........................................................................................................83
Standby Current Considerations.................................................................................................87
Wake-up......................................................................................................................................87
Watchdog Timer.................................................................................................. 88
Watchdog Timer Clock Source....................................................................................................88
Watchdog Timer Control Register...............................................................................................88
Watchdog Timer Operation.........................................................................................................89
Reset and Initialisation....................................................................................... 90
Reset Functions..........................................................................................................................90
Reset Initial Conditions...............................................................................................................93
Input/Output Ports............................................................................................ 103
Pull-high Resistors....................................................................................................................106
I/O Port Wake-up......................................................................................................................106
Port A Wake-up Polarity Control Register.................................................................................106
I/O Port Control Registers.........................................................................................................108
Port A Power Source Control Register......................................................................................108
Rev. 1.70
3 January 26, 2018



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