ASSP MCU. HT45F4050 Datasheet

HT45F4050 MCU. Datasheet pdf. Equivalent

HT45F4050 Datasheet
Recommendation HT45F4050 Datasheet
Part HT45F4050
Description DC Motor Driver ASSP MCU
Feature HT45F4050; DC Motor Driver ASSP MCU HT45F4630 Revision: V1.00 Date: �Ap�r��i�l�1��6,���2�0�1�6 HT45F4630 DC Mo.
Manufacture Holtek Semiconductor
Datasheet
Download HT45F4050 Datasheet





Holtek Semiconductor HT45F4050
DC Motor Driver ASSP MCU
HT45F4630
Revision: V1.00 Date: �Ap�r��i�l�1��6,���2�0�1�6



Holtek Semiconductor HT45F4050
HT45F4630
DC Motor Driver ASSP MCU
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 7
General Description.......................................................................................... 8
Block Diagram................................................................................................... 8
Pin Assignment................................................................................................. 9
Pin Description................................................................................................. 9
Absolute Maximum Ratings............................................................................11
D.C. Characteristics........................................................................................ 12
A.C. Characteristics........................................................................................ 13
LXT Characteristics........................................................................................ 14
LVD & LVR Electrical Characteristics........................................................... 14
Bandgap Reference Voltage Characteristics – VBG ..................................... 15
A/D Converter Electrical Characteristics...................................................... 15
Operational Amplifier Electrical Characteristics......................................... 16
Level Shifter Electrical Characteristics........................................................ 17
Voltage Detector Electrical Characteristics................................................. 18
Power-on Reset Characteristics.................................................................... 18
System Architecture....................................................................................... 19
Clocking and Pipelining.......................................................................................................... 19
Program Counter.................................................................................................................... 20
Stack...................................................................................................................................... 20
Arithmetic and Logic Unit – ALU............................................................................................ 21
Flash Program Memory.................................................................................. 22
Structure................................................................................................................................. 22
Special Vectors...................................................................................................................... 22
Look-up Table......................................................................................................................... 22
Table Program Example......................................................................................................... 23
In Circuit Programming – ICP................................................................................................ 24
On Chip Debug Support – OCDS.......................................................................................... 25
Data Memory................................................................................................... 26
Structure................................................................................................................................. 26
General Purpose Data Memory............................................................................................. 26
Special Purpose Data Memory.............................................................................................. 26
Special Function Register Description......................................................... 28
Indirect Addressing Register – IAR0, IAR1............................................................................ 28
Memory Pointers – MP0, MP1 .............................................................................................. 28
Bank Pointer – BP ................................................................................................................. 29
Rev. 1.00
2 April 16, 2016



Holtek Semiconductor HT45F4050
HT45F4630
DC Motor Driver ASSP MCU
Accumulator – ACC................................................................................................................ 29
Program Counter Low Register – PCL .................................................................................. 29
Look-up Table Registers – TBLP, TBHP, TBLH ..................................................................... 29
Status Register – STATUS..................................................................................................... 30
EEPROM Data memory.................................................................................. 32
EEPROM Data Memory Structure......................................................................................... 32
EEPROM Registers............................................................................................................... 32
Reading Data from the EEPROM.......................................................................................... 34
Writing Data to the EEPROM................................................................................................. 34
Write Protection...................................................................................................................... 34
EEPROM Interrupt................................................................................................................. 34
Programming Considerations................................................................................................. 35
Oscillators....................................................................................................... 36
Oscillator Overview................................................................................................................ 36
System Clock Configurations................................................................................................. 36
External Crystal/Ceramic Oscillator – HXT ........................................................................... 37
Internal RC Oscillator – HIRC................................................................................................ 38
External 32.768kHz Crystal Oscillator – LXT......................................................................... 39
Internal 32kHz Oscillator – LIRC............................................................................................ 40
Operating Modes and System Clocks.......................................................... 40
System Clocks....................................................................................................................... 40
System Operation Modes....................................................................................................... 41
Control Register..................................................................................................................... 43
Fast Wake-up......................................................................................................................... 44
Operating Mode Switching..................................................................................................... 45
Standby Current Considerations ........................................................................................... 49
Wake-up................................................................................................................................. 49
Programming Considerations................................................................................................. 50
Watchdog Timer.............................................................................................. 51
Watchdog Timer Clock Source............................................................................................... 51
Watchdog Timer Control Register.......................................................................................... 51
Watchdog Timer Operation.................................................................................................... 52
Reset and Initialisation................................................................................... 54
Reset Functions..................................................................................................................... 54
Reset Initial Conditions.......................................................................................................... 56
Input/Output Ports.......................................................................................... 60
Pull-high Resistors................................................................................................................. 60
Port A Wake-up...................................................................................................................... 61
I/O Port Control Registers...................................................................................................... 61
Pin-shared Functions............................................................................................................. 62
I/O Pin Structures................................................................................................................... 65
Programming Considerations ................................................................................................ 65
Rev. 1.00
3 April 16, 2016





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