Flash MCU. HT66F4370 Datasheet

HT66F4370 MCU. Datasheet pdf. Equivalent

HT66F4370 Datasheet
Recommendation HT66F4370 Datasheet
Part HT66F4370
Description Smart Card Reader Flash MCU
Feature HT66F4370; Smart Card Reader Flash MCU HT66F4360/HT66F4370/HT66F4390 Revision: V1.80 Date: November 19, 2019 H.
Manufacture Holtek Semiconductor
Datasheet
Download HT66F4370 Datasheet





Holtek Semiconductor HT66F4370
Smart Card Reader Flash MCU
HT66F4360/HT66F4370/HT66F4390
Revision: V1.80 Date: November 19, 2019



Holtek Semiconductor HT66F4370
HT66F4360/HT66F4370/HT66F4390
Smart Card Reader Flash MCU
Table of Contents
Features................................................................................................................. 7
CPU Features...............................................................................................................................7
Peripheral Features.......................................................................................................................8
General Description.............................................................................................. 9
Selection Table...................................................................................................... 9
Block Diagram..................................................................................................... 10
Pin Assignment................................................................................................... 10
Pin Descriptions................................................................................................. 11
Absolute Maximum Ratings............................................................................... 15
D.C. Characteristics............................................................................................ 15
A.C. Characteristics............................................................................................ 17
LVD/LVR Electrical Characteristics................................................................... 18
A/D Converter Characteristics........................................................................... 19
Comparator Electrical Characteristics............................................................. 20
DC/DC Converter & LDO Electrical Characteristics........................................ 21
ISO7816-3 Interface Electrical Characteristics................................................ 22
LXT Oscillator Electrical Characteristics......................................................... 23
Power-on Reset Characteristics........................................................................ 23
System Architecture........................................................................................... 24
Clocking and Pipelining...............................................................................................................24
Program Counter.........................................................................................................................25
Stack...........................................................................................................................................25
Arithmetic and Logic Unit – ALU.................................................................................................26
Flash Program Memory...................................................................................... 27
Structure......................................................................................................................................27
Special Vectors...........................................................................................................................28
Look-up Table..............................................................................................................................28
Table Program Example..............................................................................................................28
In Circuit Programming – ICP.....................................................................................................29
On-Chip Debug Support – OCDS...............................................................................................30
In Application Programming – IAP..............................................................................................31
In System Programming – ISP....................................................................................................47
Data Memory....................................................................................................... 48
Structure......................................................................................................................................48
Data Memory Addressing............................................................................................................49
General Purpose Data Memory..................................................................................................49
Special Purpose Data Memory...................................................................................................49
Rev. 1.80
2 November 19, 2019



Holtek Semiconductor HT66F4370
HT66F4360/HT66F4370/HT66F4390
Smart Card Reader Flash MCU
Special Function Register Description............................................................. 50
Indirect Addressing Registers – IAR0, IAR1, IAR2.....................................................................50
Memory Pointers – MP0, MP1H/MP1L, MP2H/MP2L.................................................................50
Program Memory Bank Pointer – PBP........................................................................................52
Accumulator – ACC.....................................................................................................................53
Program Counter Low Register – PCL........................................................................................53
Look-up Table Registers – TBLP, TBHP, TBLH...........................................................................53
Status Register – STATUS..........................................................................................................54
EEPROM Data Memory....................................................................................... 56
EEPROM Data Memory Structure..............................................................................................56
EEPROM Registers....................................................................................................................56
Reading Data from the EEPROM...............................................................................................58
Writing Data to the EEPROM......................................................................................................58
Write Protection...........................................................................................................................58
EEPROM Interrupt......................................................................................................................58
Programming Considerations......................................................................................................59
Oscillators........................................................................................................... 60
Oscillator Overview.....................................................................................................................60
System Clock Configurations......................................................................................................60
External Crystal/Ceramic Oscillator – HXT.................................................................................61
Internal PLL Frequency Generator..............................................................................................62
Internal High Speed RC Oscillator – HIRC.................................................................................64
External 32.768kHz Crystal Oscillator – LXT..............................................................................64
Internal 32kHz Oscillator – LIRC.................................................................................................64
Operating Modes and System Clocks.............................................................. 65
System Clocks............................................................................................................................65
System Operation Modes............................................................................................................66
Control Registers........................................................................................................................67
Operating Mode Switching..........................................................................................................70
Standby Current Considerations.................................................................................................74
Wake-up......................................................................................................................................74
Watchdog Timer.................................................................................................. 75
Watchdog Timer Clock Source....................................................................................................75
Watchdog Timer Control Register...............................................................................................75
Watchdog Timer Operation.........................................................................................................76
Reset and Initialisation....................................................................................... 77
Reset Functions..........................................................................................................................77
Reset Initial Conditions...............................................................................................................82
Input/Output Ports.............................................................................................. 87
Pull-high Resistors......................................................................................................................87
Port A Wake-up...........................................................................................................................88
I/O Port Control Registers...........................................................................................................88
Pin-shared Functions..................................................................................................................89
Rev. 1.80
3 November 19, 2019





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