HT46R0042 Datasheet, PDF (4/83 Pages) Holtek Semiconductor Inc – Cost-Effective A/D 8-Bit OTP MCU

HT46R0042
Cost-Effective A/D 8-Bit OTP MCU
A/D Operation.............................................................................................................................50
A/D Input Pins.............................................................................................................................51
Summary of A/D Conversion Steps.............................................................................................51
Programming Considerations......................................................................................................53
A/D Transfer Function.................................................................................................................53
A/D Programming Example.........................................................................................................53
Interrupts............................................................................................................. 56
Interrupt Register........................................................................................................................56
Interrupt Operation......................................................................................................................57
Interrupt Priority...........................................................................................................................58
External Interrupt.........................................................................................................................59
Timer/Event Counter Interrupt.....................................................................................................59
A/D Converter Interrupt...............................................................................................................59
Time Base Interrupt.....................................................................................................................59
Interrupt Wake-up Function.........................................................................................................60
Programming Considerations......................................................................................................60
SCOM function for LCD...................................................................................... 61
LCD operation.............................................................................................................................61
LCD Bias Control........................................................................................................................61
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
20-pin DIP (300mil) Outline Dimensions.....................................................................................77
20-pin SOP (300mil) Outline Dimensions...................................................................................79
24-pin SKDIP Outline Dimensions..............................................................................................80
24-pin SOP (300mil) Outline Dimensions...................................................................................82
Rev. 1.00
4
October 27, 2014