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Advantech PCM-3780 Table C.1: Register Offset Address Table

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PCM-3780 User Manual 34

22h W Counter Command Enable Register

R Interr upt Status Register

DIB DIA C1 C0

24h W Interrupt Clear

RN/A

2Ch W I/O Direction Control Register

PA PC

PB PC

RN/A

2Eh W N/A

R Port A Interrupt Status Register

Bit7 Bit

Bit

Bit2Bit1 Bit0 Bit7

30h W N/A

R Port B Interrupt Status Register

Bit7 Bit

Bit

Bit2Bit1 Bit0 Bit7

32h W N/A

R Port C Interrupt Status Register

Bit7 Bit

Bit

Bit2Bit1 Bit0 Bit7

38h W FOUT0 Register

FOE FS2 FS1FS0 DV

RN/A

3Ah W FOUT1 Register

FOE FS2 FS1FS0 DV

R Port C Interrupt Status Register

Table C.1: Register Offset Address Table

Contents

Main Page Page Page Page Page Contents Chapter 1 Introduction..................................................... 2 Chapter 2 Hardware Installation................................... 12 Chapter 3 Pin Assignments & Jumper Settings........... 18 Appendix A Specifications................................................. 26 Appendix D Waveform of Each Mode.............................. 44 Introduction Chapter 1 Introduction 1.1 Features Counter Modes (N: No gate control, L: Level gate control, E: Edge gate control) Table 1.1: PCM-3780 Counter Mode Note: For detailed specifications of the PCM-3780, please refer to Appendix A Specifications. Table 1.2: PCM-3780 Counter Mode 1.2 Applications 1.3 Installation Guide Page 1.4 Software Overview 1.4.1 Device Drivers (on the companion CD-ROM) 1.4.2 Device Drivers 1.4.3 Register-level Programming 1.5 Device Drivers Programming Roadmap 1.5.1 Programming Tools 1.5.2 Programming with Device Drivers Function Library 1.5.3 Troubleshooting Device Drivers Error 1.6 Accessories 1.6.1 Wiring Cables 1.6.2 Wiring Boards Page Chapter 2 Hardware Installation 2.1 Unpacking 2.2 Driver Installation Page 2.3 Hardware Installation 2.3.1 Installing the Module Page Pin Assignments & Jumper Settings Page 3.3 Switch and Jumper Settings Page Page Page 3.5 Period Measurement 3.5.1 Using Advantech 32-bit DLL Driver 3.5.2 Using Direct I/O 3.6 Frequency Measurement 3.6.1 Using Advantech 32-bit DLL Driver 3.6.2 Using Direct I/O Page Appendix A Specifications A.1 Programmable Counter A.2 Digital Input/Output A.3 General Page Page Page Page Appendix C Register Structure & Format C.1 Overview C.2 I/O Port Address Map 33 Appendix C C.2.1 Register Format Table C.1: Register Offset Address Table PCM-3780 User Manual 34 35 Appendix C C.3 Counter 0/1 Mode Register CM6: 0 = Disable edge disarm in edge gate mode 1 = Enable edge disarm in edge gate mode CM5: 0 = Reload from Load 1 = Reload from Load or Hold Page 37 Appendix C C.4 Counter 0/1 Load Register: 1. CL15 to CL0: Counter load data 1. CH15 to CH0: Counter hold data C.5 Counter 0/1 Hold Register C.6 Counter 0/1 Command Register C.7 Counter Command Enable Register C.8 Interrupt Control Register C.9 Interrupt Status Register PCM-3780 User Manual 40 C.10 Interrupt Clear Register Write any data to these two bytes to clear the interrupt. C.11 I/O Direction Control Register 1. I/O Direction Control Bit: 0 = Output 1 = Input C.12 Port A/B/C Interrupt Status Register C.13 FOUT Register Page D Appendix D Waveform of Each Mode D.1 Counter Mode Descriptions (N: No gate control, L: Level gate control, E: Edge gate control) Table D.1: PCM-3780 Counter Mode Page D.2 Mode A Waveforms D.3 Mode B Waveforms D.4 Mode C Waveforms D.5 Mode D Waveforms D.6 Mode E Waveforms D.7 Mode F Waveforms D.8 Mode G Waveforms D.9 Mode H Waveforms D.10 Mode I Waveforms D.11 Mode J Waveforms D.12 Mode K Waveforms D.13 Mode L Waveforms 59 Appendix D D.14 Mode O Waveforms Hardware-Triggered Strobe with Edge Disarm Mode O Waveforms PCM-3780 User Manual 60 D.15 Mode R Waveforms Non-Retriggerbale One-Shot with Edge Disarm Mode R Waveforms 61 Appendix D D.16 Mode U Waveforms Hardware-Triggered Delayed Pulse Strobe with Edge Disarm Mode U Waveforms PCM-3780 User Manual 62 D.17 Mode X Waveforms Hardware-Triggered Delayed Pulse One-Shot with Edge Disarm Mode X Waveforms