Flash MCU. HT45F3830 Datasheet

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HT45F3830 Datasheet
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Part HT45F3830
Description Ultrasonic Atomizer Flash MCU
Feature HT45F3830; Ultrasonic Atomizer Flash MCU HT45F3830 Revision: V1.10 Date: �J�a�n�u�a�r�y�0��6,���2�0�1�7 HT45F3.
Manufacture Holtek Semiconductor
Datasheet
Download HT45F3830 Datasheet




Holtek Semiconductor HT45F3830
Ultrasonic Atomizer Flash MCU
HT45F3830
Revision: V1.10 Date: �J�a�n�u�a�r�y�0��6,���2�0�1�7



Holtek Semiconductor HT45F3830
HT45F3830
Ultrasonic Atomizer Flash MCU
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 6
General Description ......................................................................................... 7
Block Diagram................................................................................................... 8
Pin Assignment................................................................................................. 8
Pin Descriptions............................................................................................... 9
Absolute Maximum Ratings............................................................................11
D.C. Characteristics........................................................................................ 12
A.C. Characteristics........................................................................................ 13
Slew Rate Control Characteristics................................................................ 14
LVD & LVR Electrical Characteristics........................................................... 14
Over Current/Voltage Protection Electrical Characteristics ...................... 15
Power on Reset Electrical Characteristics................................................... 16
System Architecture....................................................................................... 17
Clocking and Pipelining.......................................................................................................... 17
Program Counter.................................................................................................................... 18
Stack...................................................................................................................................... 19
Arithmetic and Logic Unit – ALU............................................................................................ 19
Flash Program Memory.................................................................................. 20
Structure................................................................................................................................. 20
Special Vectors...................................................................................................................... 20
Look-up Table......................................................................................................................... 20
Table Program Example......................................................................................................... 21
In Circuit Programming.......................................................................................................... 22
On-Chip Debug Support – OCDS.......................................................................................... 22
RAM Data Memory.......................................................................................... 23
Structure................................................................................................................................. 23
General Purpose Data Memory............................................................................................. 24
Special Purpose Data Memory.............................................................................................. 24
Special Function Register Description......................................................... 25
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 25
Memory Pointers – MP0, MP1............................................................................................... 25
Bank Pointer – BP.................................................................................................................. 26
Accumulator – ACC................................................................................................................ 26
Program Counter Low Register – PCL................................................................................... 26
Look-up Table Registers – TBLP, TBHP, TBLH...................................................................... 27
Status Register – STATUS..................................................................................................... 27
Rev. 1.10
2 January 06, 2017



Holtek Semiconductor HT45F3830
HT45F3830
Ultrasonic Atomizer Flash MCU
EEPROM Data Memory................................................................................... 29
EEPROM Data Memory Structure......................................................................................... 29
EEPROM Registers............................................................................................................... 29
Reading Data from the EEPROM ......................................................................................... 31
Writing Data to the EEPROM................................................................................................. 31
Write Protection...................................................................................................................... 31
EEPROM Interrupt................................................................................................................. 31
Programming Considerations................................................................................................. 32
Oscillators....................................................................................................... 33
Oscillator Overview................................................................................................................ 33
System Clock Configurations................................................................................................. 33
Internal RC Oscillator – HIRC................................................................................................ 34
Internal 32kHz Oscillator – LIRC............................................................................................ 34
Operating Modes and System Clocks.......................................................... 35
System Clocks....................................................................................................................... 35
System Operating Modes....................................................................................................... 36
Control Registers................................................................................................................... 37
Operating Mode Switching .................................................................................................... 39
Standby Current Considerations............................................................................................ 43
Wake-up................................................................................................................................. 43
Watchdog Timer.............................................................................................. 44
Watchdog Timer Clock Source............................................................................................... 44
Watchdog Timer Control Register.......................................................................................... 44
Watchdog Timer Operation.................................................................................................... 45
Reset and Initialisation................................................................................... 47
Reset Functions..................................................................................................................... 47
Reset Initial Conditions.......................................................................................................... 49
Input/Output Ports.......................................................................................... 52
Pull-high Resistors................................................................................................................. 52
Port A Wake-up...................................................................................................................... 53
I/O Port Control Registers...................................................................................................... 53
Slew Rate Control.................................................................................................................. 54
Source Current Selection....................................................................................................... 55
Pin-shared Function............................................................................................................... 56
I/O Pin Structures................................................................................................................... 59
Programming Considerations................................................................................................. 59
Timer Modules – TM....................................................................................... 60
Introduction............................................................................................................................ 60
TM Operation......................................................................................................................... 60
TM Clock Source.................................................................................................................... 61
TM Interrupts.......................................................................................................................... 61
TM External Pins.................................................................................................................... 61
TM Input/Output Pin Control Register.................................................................................... 62
Programming Considerations................................................................................................. 63
Rev. 1.10
3 January 06, 2017







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