HT46R003 datasheet(4/83 Pages) HOLTEK

4 / 83 page

Rev. 1.21

April 11, 2017

Rev. 1.21

April 11, 2017

HT46R002/HT46R003

Cost-Effective A/D 8-Bit OTP MCU

HT46R002/HT46R003

Cost-Effective A/D 8-Bit OTP MCU

Analog to Digital Converter ......................................................................... 50

A/D Overview ........................................................................................................................ 50

A/D Converter Data Registers – ADRL, ADRH ..................................................................... 50

A/D Converter Control Registers – ADCR, ACSR................................................................. 51

A/D Operation ....................................................................................................................... 52

A/D Converter On/Off Control ............................................................................................... 53

A/D Input Pins ....................................................................................................................... 53

Summary of A/D Conversion Steps....................................................................................... 54

Programming Considerations................................................................................................ 55

A/D Transfer Function ........................................................................................................... 55

A/D Programming Example................................................................................................... 56

Interrupts........................................................................................................ 58

Interrupt Register .................................................................................................................. 58

Interrupt Operation................................................................................................................ 59

Interrupt Priority..................................................................................................................... 60

External Interrupt................................................................................................................... 61

Timer/Event Counter Interrupt............................................................................................... 61

A/D Converter Interrupt......................................................................................................... 61

Interrupt Wake-up Function................................................................................................... 62

Programming Considerations................................................................................................ 62

Application Circuits....................................................................................... 62

Instruction Set................................................................................................ 63

Introduction ........................................................................................................................... 63

Instruction Timing.................................................................................................................. 63

Moving and Transferring Data............................................................................................... 63

Arithmetic Operations............................................................................................................ 63

Logical and Rotate Operation ............................................................................................... 64

Branches and Control Transfer ............................................................................................. 64

Bit Operations ....................................................................................................................... 64

Table Read Operations ......................................................................................................... 64

Other Operations................................................................................................................... 64

Instruction Set Summary .............................................................................. 65

Table Conventions................................................................................................................. 65

Instruction Definition..................................................................................... 67

Package Information ..................................................................................... 76

8-pin DIP (300mil) Outline Dimensions ................................................................................. 77

8-pin SOP (150mil) Outline Dimensions ............................................................................... 78

10-pin MSOP Outline Dimensions ........................................................................................ 79

16-pin DIP (300mil) Outline Dimensions ............................................................................... 80

16-pin NSOP (150mil) Outline Dimensions........................................................................... 82

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