Flash MCU. HT45F4830 Datasheet

HT45F4830 MCU. Datasheet pdf. Equivalent

HT45F4830 Datasheet
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Part HT45F4830
Description Digital Servo Flash MCU
Feature HT45F4830; Digital Servo Flash MCU with Driver HT45F4830 Revision: V1.30 Date: �D�e�c�e�mb��e�r�1��4,���2�0�1�7.
Manufacture Holtek Semiconductor
Datasheet
Download HT45F4830 Datasheet




Holtek Semiconductor HT45F4830
Digital Servo Flash MCU with Driver
HT45F4830
Revision: V1.30 Date: �D�e�c�e�mb��e�r�1��4,���2�0�1�7



Holtek Semiconductor HT45F4830
HT45F4830
Digital Servo Flash MCU with Driver
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 6
General Description ......................................................................................... 7
Block Diagram................................................................................................... 7
Pin Assignment................................................................................................. 8
Pin Description................................................................................................. 8
Absolute Maximum Ratings............................................................................. 9
D.C. Characteristics........................................................................................ 10
A.C. Characteristics.........................................................................................11
A/D Converter Electrical Characteristics ..................................................... 12
Reference Voltage Electrical Characteristic................................................. 12
LVR Electrical Characteristics....................................................................... 13
LDO Electrical Characteristics...................................................................... 13
H-Bridge Driver Electrical Characteristics................................................... 14
Level Shifter Electrical Characteristics........................................................ 14
Power on Reset Electrical Characteristics................................................... 14
System Architecture....................................................................................... 15
Clocking and Pipelining.......................................................................................................... 15
Program Counter.................................................................................................................... 16
Stack...................................................................................................................................... 17
Arithmetic and Logic Unit – ALU............................................................................................ 17
Flash Program Memory.................................................................................. 18
Structure................................................................................................................................. 18
Special Vectors...................................................................................................................... 18
Look-up Table......................................................................................................................... 18
Table Program Example......................................................................................................... 19
In Circuit Programming – ICP................................................................................................ 21
On-Chip Debug Support – OCDS.......................................................................................... 22
RAM Data Memory.......................................................................................... 23
Structure................................................................................................................................. 23
General Purpose Data Memory............................................................................................. 23
Special Purpose Data Memory.............................................................................................. 23
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
Rev. 1.30
2 December 14, 2017



Holtek Semiconductor HT45F4830
HT45F4830
Digital Servo Flash MCU with Driver
Look-up Table Registers – TBLP, TBLH................................................................................. 26
Status Register – STATUS..................................................................................................... 27
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
High Speed Internal RC Oscillator – HIRC............................................................................ 34
Internal 32kHz Oscillator – LIRC............................................................................................ 34
Operating Modes and System Clocks.......................................................... 34
System Clocks....................................................................................................................... 34
System Operation Modes ...................................................................................................... 35
Control Register..................................................................................................................... 37
Operating Mode Switching .................................................................................................... 38
Standby Current Considerations ........................................................................................... 42
Wake-up ................................................................................................................................ 42
Watchdog Timer.............................................................................................. 43
Watchdog Timer Clock Source............................................................................................... 43
Watchdog Timer Control Register.......................................................................................... 43
Watchdog Timer Operation.................................................................................................... 44
Reset and Initialisation................................................................................... 45
Reset Functions..................................................................................................................... 45
Reset Initial Conditions.......................................................................................................... 47
Input/Output Ports.......................................................................................... 49
Pull-high Resistors................................................................................................................. 49
Port A Wake-up...................................................................................................................... 50
I/O Port Control Registers...................................................................................................... 50
Pin-shared Functions............................................................................................................. 51
I/O Pin Structures................................................................................................................... 52
Programming Considerations ................................................................................................ 52
Timer Module – TM......................................................................................... 53
Introduction............................................................................................................................ 53
TM Operation......................................................................................................................... 53
TM Clock Source.................................................................................................................... 54
TM Interrupts.......................................................................................................................... 54
TM External Pins.................................................................................................................... 54
TM Input/Output Pin Selection .............................................................................................. 54
Programming Considerations................................................................................................. 55
Rev. 1.30
3 December 14, 2017







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