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HT45F39 Datasheet(PDF) 4 Page - Holtek Semiconductor Inc

Part # HT45F39
Description  Ultrasonic Distance Measurement 8-bit Flash MCU
Download  102 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F39 Datasheet(HTML) 4 Page - Holtek Semiconductor Inc

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Rev. 1.10
4
July 01, 2016
Rev. 1.10
5
July 01, 2016
HT45F39/HT45F391
Ultrasonic Distance Measurement 8-bit Flash MCU
HT45F39/HT45F391
Ultrasonic Distance Measurement 8-bit Flash MCU
A/D Operation ....................................................................................................................... 63
A/D Input Pins ....................................................................................................................... 63
Summary of A/D Conversion Steps....................................................................................... 64
Programming Considerations................................................................................................ 64
A/D Programming Examples................................................................................................. 65
Auto-Envelope Process Unit ........................................................................ 67
Auto-Envelope Processing Operation................................................................................... 68
Auto Envelop Process Unit Register Description.................................................................. 68
FIFO Operation ..................................................................................................................... 71
Car Parking Sensor Bus Control Unit ......................................................... 74
Bus Control Unit for 12V Interface Application...................................................................... 75
5V Interface Application Bus Control Unit ............................................................................ 77
Shunt Regulator – HT45F39 only ................................................................. 79
Interrupts........................................................................................................ 79
Interrupt Registers................................................................................................................. 79
Interrupt Operation................................................................................................................ 82
External Interrupt................................................................................................................... 83
Auto-Envelope Process Comparator Interrupt ...................................................................... 84
10-level FIFO Interrupt.......................................................................................................... 84
A/D Converter Interrupt......................................................................................................... 84
TM Interrupt........................................................................................................................... 84
Interrupt Wake-up Function................................................................................................... 85
Programming Considerations................................................................................................ 85
Application Circuits....................................................................................... 86
Instruction Set................................................................................................ 87
Introduction ........................................................................................................................... 87
Instruction Timing.................................................................................................................. 87
Moving and Transferring Data............................................................................................... 87
Arithmetic Operations............................................................................................................ 87
Logical and Rotate Operations.............................................................................................. 88
Branches and Control Transfer ............................................................................................. 88
Bit Operations ....................................................................................................................... 88
Table Read Operations ......................................................................................................... 88
Other Operations................................................................................................................... 88
Instruction Set Summary .............................................................................. 89
Table Conventions................................................................................................................. 89
Instruction Definition..................................................................................... 91
Package Information ................................................................................... 100
16-pin NSOP (150mil) Outline Dimensions......................................................................... 101


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