Flash MCU. HT66F2390 Datasheet

HT66F2390 MCU. Datasheet pdf. Equivalent

HT66F2390 Datasheet
Recommendation HT66F2390 Datasheet
Part HT66F2390
Description Advanced A/D Flash MCU
Feature HT66F2390; Advanced A/D Flash MCU with EEPROM HT66F2350/HT66F2360 HT66F2370/HT66F2390 Revision: V1.20 Date: �J�.
Manufacture Holtek Semiconductor
Datasheet
Download HT66F2390 Datasheet




Holtek Semiconductor HT66F2390
Advanced A/D Flash MCU with EEPROM
HT66F2350/HT66F2360
HT66F2370/HT66F2390
Revision: V1.20 Date: �J�a�n�u�a�r�y�2�2��,�2�0�1��8



Holtek Semiconductor HT66F2390
HT66F2350/HT66F2360
HT66F2370/HT66F2390
Advanced A/D Flash MCU with EEPROM
Table of Contents
Features............................................................................................................. 7
CPU Features.......................................................................................................................... 7
Peripheral Features.................................................................................................................. 7
General Description.......................................................................................... 8
Selection Table.................................................................................................. 9
Block Diagram................................................................................................... 9
Pin Assignment............................................................................................... 10
Pin Descriptions............................................................................................. 12
Absolute Maximum Ratings........................................................................... 24
D.C. Characteristics........................................................................................ 24
Operating Voltage Characteristics.......................................................................................... 24
Standby Current Characteristics............................................................................................ 25
Operating Current Characteristics.......................................................................................... 26
A.C. Characteristics........................................................................................ 27
High Speed Internal Oscillator – HIRC – Frequency Accuracy.............................................. 27
Low Speed Internal Oscillator Characteristics – LIRC........................................................... 27
Low Speed Crystal Oscillator Characteristics – LXT.............................................................. 27
Operating Frequency Characteristic Curves.......................................................................... 28
System Start Up Time Characteristics................................................................................... 28
Input/Output Characteristics......................................................................... 29
Memory Characteristics................................................................................. 29
A/D Converter Electrical Characteristics...................................................... 30
Comparator Electrical Characteristics......................................................... 31
Software Controlled LCD Driver Electrical Characteristics........................ 31
I2C Characteristics.......................................................................................... 32
LVD/LVR Electrical Characteristics............................................................... 32
Power-on Reset Characteristics.................................................................... 33
System Architecture....................................................................................... 34
Clocking and Pipelining.......................................................................................................... 34
Program Counter.................................................................................................................... 35
Stack...................................................................................................................................... 36
Arithmetic and Logic Unit – ALU............................................................................................ 36
Flash Program Memory.................................................................................. 37
Structure................................................................................................................................. 37
Special Vectors...................................................................................................................... 38
Look-up Table......................................................................................................................... 38
Table Program Example......................................................................................................... 38
In Circuit Programming – ICP................................................................................................ 39
Rev. 1.20
2 January 22, 2018



Holtek Semiconductor HT66F2390
HT66F2350/HT66F2360
HT66F2370/HT66F2390
Advanced A/D Flash MCU with EEPROM
On-Chip Debug Support – OCDS.......................................................................................... 40
In Application Programming – IAP......................................................................................... 41
Data Memory................................................................................................... 50
Structure................................................................................................................................. 50
Data Memory Addressing....................................................................................................... 51
General Purpose Data Memory............................................................................................. 51
Special Purpose Data Memory.............................................................................................. 51
Special Function Register Description......................................................... 55
Indirect Addressing Registers – IAR0, IAR1, IAR2................................................................ 55
Memory Pointers – MP0, MP1H/MP1L, MP2H/MP2L............................................................ 55
Program Memory Bank Pointer – PBP................................................................................... 57
Accumulator – ACC................................................................................................................ 58
Program Counter Low Register – PCL................................................................................... 58
Look-up Table Registers – TBLP, TBHP, TBLH...................................................................... 58
Status Register – STATUS..................................................................................................... 59
EEPROM Data Memory................................................................................... 61
EEPROM Data Memory Structure......................................................................................... 61
EEPROM Registers............................................................................................................... 61
Reading Data from the EEPROM.......................................................................................... 63
Writing Data to the EEPROM................................................................................................. 64
Write Protection...................................................................................................................... 64
EEPROM Interrupt................................................................................................................. 64
Programming Considerations................................................................................................. 65
Oscillators....................................................................................................... 66
Oscillator Overview................................................................................................................ 66
System Clock Configurations................................................................................................. 66
External Crystal/Ceramic Oscillator – HXT............................................................................ 67
Internal High Speed RC Oscillator – HIRC............................................................................ 68
External 32.768 kHz Crystal Oscillator – LXT........................................................................ 68
Internal 32kHz Oscillator – LIRC............................................................................................ 69
Operating Modes and System Clocks.......................................................... 69
System Clocks....................................................................................................................... 69
System Operation Modes....................................................................................................... 71
Control Registers................................................................................................................... 72
Operating Mode Switching..................................................................................................... 74
Standby Current Considerations............................................................................................ 78
Wake-up................................................................................................................................. 78
Watchdog Timer.............................................................................................. 79
Watchdog Timer Clock Source............................................................................................... 79
Watchdog Timer Control Register.......................................................................................... 79
Watchdog Timer Operation.................................................................................................... 80
Reset and Initialisation................................................................................... 81
Reset Functions..................................................................................................................... 81
Reset Initial Conditions.......................................................................................................... 85
Rev. 1.20
3 January 22, 2018





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