Type MCU. HT45FH3T Datasheet

HT45FH3T MCU. Datasheet pdf. Equivalent

HT45FH3T Datasheet
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Part HT45FH3T
Description 3D Glasses 8-bit Flash Type MCU
Feature HT45FH3T; 3D Glasses 8-bit Flash Type MCU HT45FH3T Revision: V1.10 Date: �M�a�y�1��7,���2�0�1�3 HT45FH3T 3D G.
Manufacture Holtek Semiconductor
Datasheet
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Holtek Semiconductor HT45FH3T
3D Glasses 8-bit Flash Type MCU
HT45FH3T
Revision: V1.10 Date: �M�a�y�1��7,���2�0�1�3



Holtek Semiconductor HT45FH3T
HT45FH3T
3D Glasses 8-bit Flash Type MCU
Table of Contents
Features............................................................................................................. 6
CPU Features.......................................................................................................................... 6
Peripheral Features.................................................................................................................. 6
General Description ......................................................................................... 7
Block Diagram................................................................................................... 7
Pin Assignment................................................................................................. 8
Pin Description................................................................................................. 8
Internal Connection Description................................................................... 10
Absolute Maximum Ratings........................................................................... 10
D.C. Characteristics.........................................................................................11
A.C. Characteristics........................................................................................ 12
A/D Converter Electrical Characteristics...................................................... 12
LVD & LVR Electrical Characteristics........................................................... 13
LDO Regulator Characteristics..................................................................... 13
Level Converter Characteristics.................................................................... 14
Over Voltage circuit Characteristics............................................................. 14
Power on Reset Characteristics.................................................................... 14
Oscillator Temperature/Frequency Characteristics.................................... 15
System Architecture....................................................................................... 16
Clocking and Pipelining.......................................................................................................... 16
Program Counter.................................................................................................................... 17
Stack...................................................................................................................................... 18
Arithmetic and Logic Unit – ALU............................................................................................ 18
Flash Program Memory.................................................................................. 19
Structure................................................................................................................................. 19
Special Vectors...................................................................................................................... 19
Look-up Table......................................................................................................................... 20
Table Program Example......................................................................................................... 21
In Circuit Programming.......................................................................................................... 22
On-Chip Debug Support – OCDS.......................................................................................... 23
RAM Data Memory.......................................................................................... 23
Structure................................................................................................................................. 23
Special Function Register Description......................................................... 25
Indirect Addressing Registers – IAR0, IAR1.......................................................................... 25
Memory Pointers – MP0, MP1............................................................................................... 25
Accumulator – ACC................................................................................................................ 26
Program Counter Low Register – PCL................................................................................... 26
Look-up Table Registers – TBLP, TBHP, TBLH...................................................................... 26
Rev. 1.10
2 May 17, 2013



Holtek Semiconductor HT45FH3T
HT45FH3T
3D Glasses 8-bit Flash Type MCU
Status Register – STATUS..................................................................................................... 26
Oscillator......................................................................................................... 28
Oscillator Overview................................................................................................................ 28
System Clock Configurations................................................................................................. 28
Internal RC Oscillator – HIRC................................................................................................ 29
Internal 32kHz Oscillator – LIRC............................................................................................ 29
Operating Modes and System Clocks.......................................................... 29
System Clocks....................................................................................................................... 29
System Operation Modes....................................................................................................... 31
Control Register..................................................................................................................... 32
Operating Mode Switching..................................................................................................... 34
NORMAL Mode to SLOW Mode Switching............................................................................ 35
SLOW Mode to NORMAL Mode Switching ........................................................................... 35
Entering the SLEEP0 Mode................................................................................................... 35
Entering the SLEEP1 Mode................................................................................................... 35
Entering the IDLE0 Mode....................................................................................................... 36
Entering the IDLE1 Mode....................................................................................................... 36
Standby Current Considerations............................................................................................ 38
Wake-up................................................................................................................................. 38
Watchdog Timer.............................................................................................. 39
Watchdog Timer Clock Source............................................................................................... 39
Watchdog Timer Control Register.......................................................................................... 39
Watchdog Timer Operation.................................................................................................... 40
Reset and Initialisation................................................................................... 41
Reset Functions..................................................................................................................... 41
Reset Initial Conditions.......................................................................................................... 44
Input/Output Ports.......................................................................................... 47
Pull-high Resistors................................................................................................................. 47
Port A Wake-up...................................................................................................................... 48
I/O Port Control Registers...................................................................................................... 48
I/O Pin Structures................................................................................................................... 49
Programming Considerations................................................................................................. 50
Timer Modules – TM....................................................................................... 50
Introduction............................................................................................................................ 50
TM Operation......................................................................................................................... 51
TM Clock Source.................................................................................................................... 51
TM Interrupts.......................................................................................................................... 51
TM External Pins.................................................................................................................... 52
TM Input/Output Pin Control Register.................................................................................... 52
Programming Considerations................................................................................................. 56
Rev. 1.10
3 May 17, 2013







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