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Flash MCU. HT67F4892 Datasheet

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Flash MCU. HT67F4892 Datasheet






HT67F4892 MCU. Datasheet pdf. Equivalent




HT67F4892 MCU. Datasheet pdf. Equivalent





Part

HT67F4892

Description

Enhanced A/D Flash MCU



Feature


Enhanced A/D Flash MCU with LCD & EEPROM HT67F4892 Revision: V1.00 Date: �N o�ve��mb��e�r��24�, ��2�0�1�6 HT67F4892 Enhanc ed A/D Flash MCU with LCD & EEPROM Tabl e of Contents Features................. ....................................... ....................................... .............. 6 CPU Features.......... .....................................................
Manufacture

Holtek Semiconductor

Datasheet
Download HT67F4892 Datasheet


Holtek Semiconductor HT67F4892

HT67F4892; ........................................ .................... 6 Peripheral Featu res.................................... ....................................... ....................................... 7 General Description................. ....................................... .................................. 8 Bl ock Diagram............................ ...................


Holtek Semiconductor HT67F4892

........................................ ............. 8 Pin Assignment......... ....................................... ....................................... .......... 9 Pin Description........... .............................. .


Holtek Semiconductor HT67F4892

.

Part

HT67F4892

Description

Enhanced A/D Flash MCU



Feature


Enhanced A/D Flash MCU with LCD & EEPROM HT67F4892 Revision: V1.00 Date: �N o�ve��mb��e�r��24�, ��2�0�1�6 HT67F4892 Enhanc ed A/D Flash MCU with LCD & EEPROM Tabl e of Contents Features................. ....................................... ....................................... .............. 6 CPU Features.......... .....................................................
Manufacture

Holtek Semiconductor

Datasheet
Download HT67F4892 Datasheet




 HT67F4892
Enhanced A/D Flash MCU with LCD & EEPROM
HT67F4892
Revision: V1.00 Date: �N�o�ve��mb��e�r��24�,���2�0�1�6




 HT67F4892
HT67F4892
Enhanced A/D Flash MCU with LCD & EEPROM
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 7
General Description.......................................................................................... 8
Block Diagram................................................................................................... 8
Pin Assignment................................................................................................. 9
Pin Description................................................................................................11
Absolute Maximum Ratings........................................................................... 14
D.C. Characteristics........................................................................................ 15
A.C. Characteristics........................................................................................ 17
A/D Converter Electrical Characteristics...................................................... 18
Reference Voltage Characteristics................................................................ 18
LVD/LVR Electrical Characteristics............................................................... 19
Power-on Reset Characteristics.................................................................... 19
System Architecture....................................................................................... 20
Clocking and Pipelining.......................................................................................................... 20
Program Counter.................................................................................................................... 21
Stack...................................................................................................................................... 21
Arithmetic and Logic Unit – ALU............................................................................................ 22
Flash Program Memory.................................................................................. 23
Structure................................................................................................................................. 23
Special Vectors...................................................................................................................... 23
Look-up Table ........................................................................................................................ 23
Table Program Example......................................................................................................... 24
In Circuit Programming – ICP................................................................................................ 25
On-Chip Debug Support – OCDS.......................................................................................... 26
RAM Data Memory.......................................................................................... 27
Structure................................................................................................................................. 27
Data Memory Addressing....................................................................................................... 28
General Purpose Data Memory............................................................................................. 28
Special Purpose Data Memory.............................................................................................. 28
Special Function Register Description......................................................... 30
Indirect Addressing Registers – IAR0, IAR1, IAR2................................................................ 30
Memory Pointers – MP0, MP1L, MP1H, MP2L, MP2H.......................................................... 30
Accumulator – ACC ............................................................................................................... 31
Program Counter Low Register – PCL .................................................................................. 32
Look-up Table Registers – TBLP, TBHP, TBLH ..................................................................... 32
Status Register – STATUS .................................................................................................... 32
Rev. 1.00
2 November 24, 2016




 HT67F4892
HT67F4892
Enhanced A/D Flash MCU with LCD & EEPROM
EEPROM Data Memory................................................................................... 34
EEPROM Data Memory Structure......................................................................................... 34
EEPROM Registers............................................................................................................... 34
Reading Data from the EEPROM.......................................................................................... 36
Writing Data to the EEPROM................................................................................................. 36
Write Protection...................................................................................................................... 36
EEPROM Interrupt................................................................................................................. 36
Programming Considerations................................................................................................. 37
Oscillators....................................................................................................... 38
Oscillator Overview ............................................................................................................... 38
System Clock Configurations ................................................................................................ 38
External High Speed Crystal Oscillator – HXT....................................................................... 39
Internal RC Oscillator – HIRC................................................................................................ 39
External 32.768 kHz Crystal Oscillator – LXT........................................................................ 40
Internal 32kHz Oscillator – LIRC............................................................................................ 41
Operating Modes and System Clocks.......................................................... 42
System Clocks....................................................................................................................... 42
System Operation Modes....................................................................................................... 43
Control Registers................................................................................................................... 44
Operating Mode Switching..................................................................................................... 46
Standby Current Considerations............................................................................................ 50
Wake-up................................................................................................................................. 50
Watchdog Timer.............................................................................................. 51
Watchdog Timer Clock Source............................................................................................... 51
Watchdog Timer Control Register.......................................................................................... 51
Watchdog Timer Operation.................................................................................................... 52
Reset and Initialisation................................................................................... 53
Reset Functions..................................................................................................................... 53
Reset Initial Conditions ......................................................................................................... 55
Input/Output Ports ......................................................................................... 59
Pull-high Resistors................................................................................................................. 59
Port A Wake-up...................................................................................................................... 60
I/O Port Control Registers...................................................................................................... 60
Pin-shared Functions............................................................................................................. 61
I/O Pin Structures................................................................................................................... 61
Programming Considerations................................................................................................. 61
Timer Modules – TM....................................................................................... 62
Introduction............................................................................................................................ 62
TM Operation......................................................................................................................... 62
TM Clock Source.................................................................................................................... 63
TM Interrupts.......................................................................................................................... 63
TM External Pins.................................................................................................................... 63
TM Input/Output Pin Control Register.................................................................................... 64
Programming Considerations................................................................................................. 66
Rev. 1.00
3 November 24, 2016



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