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Flash MCU. HT69F240 Datasheet

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Flash MCU. HT69F240 Datasheet






HT69F240 MCU. Datasheet pdf. Equivalent




HT69F240 MCU. Datasheet pdf. Equivalent





Part

HT69F240

Description

I/O 8-Bit Flash MCU



Feature


I/O 8-Bit Flash MCU with LED/LCD Driver HT69F240 Revision: V1.20 Date: �M�a �r�c�h�2��5,��2�0�1 ��5 HT69F240 I/O 8-Bit Flash MCU w ith LED/LCD Driver Table of Contents Fe atures................................. ....................................... ..................................... 6 CPU Features.......................... ...............................................
Manufacture

Holtek Semiconductor

Datasheet
Download HT69F240 Datasheet


Holtek Semiconductor HT69F240

HT69F240; ........................................ .......... 6 Peripheral Features....... ....................................... ....................................... ............................. 6 General Description........................... ....................................... ........................ 7 Block Diagra m...................................... ...................


Holtek Semiconductor HT69F240

........................................ ... 7 Pin Assignment................... ....................................... ....................................... 8 Pin Description..................... .................................... .


Holtek Semiconductor HT69F240

.

Part

HT69F240

Description

I/O 8-Bit Flash MCU



Feature


I/O 8-Bit Flash MCU with LED/LCD Driver HT69F240 Revision: V1.20 Date: �M�a �r�c�h�2��5,��2�0�1 ��5 HT69F240 I/O 8-Bit Flash MCU w ith LED/LCD Driver Table of Contents Fe atures................................. ....................................... ..................................... 6 CPU Features.......................... ...............................................
Manufacture

Holtek Semiconductor

Datasheet
Download HT69F240 Datasheet




 HT69F240
I/O 8-Bit Flash MCU with LED/LCD Driver
HT69F240
Revision: V1.20 Date: �M�a�r�c�h�2��5,��2�0�1��5




 HT69F240
HT69F240
I/O 8-Bit Flash MCU with LED/LCD Driver
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 6
General Description.......................................................................................... 7
Block Diagram................................................................................................... 7
Pin Assignment................................................................................................. 8
Pin Description................................................................................................. 9
Absolute Maximum Ratings........................................................................... 12
D.C. Characteristics........................................................................................ 12
A.C. Characteristics........................................................................................ 14
LVD & LVR Electrical Characteristics........................................................... 15
System Architecture....................................................................................... 16
Clocking and Pipelining.......................................................................................................... 16
Program Counter.................................................................................................................... 17
Stack...................................................................................................................................... 17
Arithmetic and Logic Unit – ALU............................................................................................ 18
Flash Program Memory.................................................................................. 18
Structure................................................................................................................................. 18
Special Vectors...................................................................................................................... 19
Look-up Table......................................................................................................................... 19
Table Program Example......................................................................................................... 19
In Circuit Programming – ICP................................................................................................ 20
On-Chip Debug Support – OCDS.......................................................................................... 21
Data Memory................................................................................................... 21
Structure................................................................................................................................. 22
General Purpose Data Memory............................................................................................. 22
Special Purpose Data Memory.............................................................................................. 22
Special Function Register Description......................................................... 24
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 24
Memory Pointers – MP0, MP1............................................................................................... 24
Bank Pointer – BP.................................................................................................................. 25
Accumulator – ACC................................................................................................................ 25
Program Counter Low Register – PCL................................................................................... 25
Look-up Table Registers – TBLP, TBHP, TBLH...................................................................... 25
Status Register – STATUS..................................................................................................... 26
EEPROM Data Memory................................................................................... 28
EEPROM Registers............................................................................................................... 28
Reading Data from the EEPROM.......................................................................................... 29
Writing Data to the EEPROM................................................................................................. 30
Rev. 1.20
2 March 25, 2015




 HT69F240
HT69F240
I/O 8-Bit Flash MCU with LED/LCD Driver
Write Protection...................................................................................................................... 30
EEPROM Interrupt................................................................................................................. 30
Programming Considerations................................................................................................. 31
Oscillator......................................................................................................... 32
Oscillator Overview................................................................................................................ 32
System Clock Configurations................................................................................................. 32
External Crystal/Ceramic Oscillator – HXT............................................................................ 33
Internal RC Oscillator – HIRC................................................................................................ 33
External 32.768kHz Crystal Oscillator – LXT......................................................................... 34
LXT Oscillator Low Power Function....................................................................................... 35
Internal 32kHz Oscillator – LIRC............................................................................................ 35
Supplementary Oscillators..................................................................................................... 35
Operating Modes and System Clocks.......................................................... 36
System Clock......................................................................................................................... 36
System Operation Modes....................................................................................................... 37
Control Register..................................................................................................................... 38
Fast Wake-up......................................................................................................................... 40
Operating Mode Switching..................................................................................................... 41
NORMAL Mode to SLOW Mode Switching............................................................................ 42
SLOW Mode to NORMAL Mode Switching............................................................................ 43
Entering the SLEEP0 Mode................................................................................................... 44
Entering the SLEEP1 Mode................................................................................................... 44
Entering the IDLE0 Mode....................................................................................................... 44
Entering the IDLE1 Mode....................................................................................................... 45
Standby Current Considerations............................................................................................ 45
Wake-up................................................................................................................................. 46
Programming Considerations................................................................................................. 46
Watchdog Timer.............................................................................................. 47
Watchdog Timer Clock Source............................................................................................... 47
Watchdog Timer Control Register.......................................................................................... 47
Watchdog Timer Operation.................................................................................................... 48
Reset and Initialisation................................................................................... 49
Reset Functions..................................................................................................................... 49
Reset Initial Conditions.......................................................................................................... 52
Input/Output Ports.......................................................................................... 55
I/O Port Register List.............................................................................................................. 55
Pull-high Resistors................................................................................................................. 56
Port A Wake-up...................................................................................................................... 56
I/O Port Control Registers...................................................................................................... 56
Pin-shared Functions............................................................................................................. 56
I/O Pin Structures................................................................................................................... 60
I/O Source Current Selection................................................................................................. 60
Programming Considerations................................................................................................. 62
Rev. 1.20
3 March 25, 2015



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