Advantech PCM-3780 manual Counter 0/1 Mode Register, CM1 to CM0 Output Control

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C.3 Counter 0/1 Mode Register

Base

PCM-3780 Register Format

Address

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

+ HEX

oh

W

Counter

0 Mode Register

CM15

CM14

CM13

CM12

CM11

CM10

C

C

C

C

C

CM

CM

CM

CM

CM

M9

M8

M7

M6

M5

4

3

2

1

0

R

Counter

0 Mode Register

CM15

CM14

CM13

CM12

CM11

CM10

C

C

C

C

C

CM

CM

CM

CM

CM

M9

M8

M7

M6

M5

4

3

2

1

0

8h

W

Counter

1 Mode Register

CM15

CM14

CM13

CM12

CM11

CM10

C

C

C

C

C

CM

CM

CM

CM

CM

M9

M8

M7

M6

M5

4

3

2

1

0

R

Counter

1 Mode Register

CM15

CM14

CM13

CM12

CM11

CM10

C

C

C

C

C

CM

CM

CM

CM

CM

M9

M8

M7

M6

M5

4

3

2

1

0

1. CM1 to CM0: Output Control

00 = Active High Terminal Count Pulse

01 = Active Low Terminal Count Pulse

10 = TC Toggled from low

11 = TC Toggled from high

2. CM2: Output Enable Control

0 = Disable Output (High impedance)

1 = Enable Output

3.CM6 to CM3: Count Control 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 CM4:

0= Count Once

1= Count Repetitively

35

AppendixC

Image 43

Contents PCM-3780 Ch Counter/Timer with Ch TTL DIO ModuleCopyright Acknowledgements Two Years Product Warranty CE Notification FCC Class a Technical Support and Assistance Packing List Page Contents Appendix Specifications Introduction Features Counter Modes PCM-3780 Counter ModePCM-3780 Counter Mode Applications Installation GuideInstallation Flow Chart Register-level Programming Software OverviewDevice Drivers on the companion CD-ROM Device DriversProgramming Tools Device Drivers Programming RoadmapProgramming with Device Drivers Function Library Troubleshooting Device Drivers ErrorWiring Cables AccessoriesWiring Boards Hardware Installation Unpacking Companion CD-ROM Driver InstallationDifferent Options for Driver Setup Installing the Module Hardware InstallationPage Pin Assignments & Jumper Settings Overview Signal ConnectionsInterrupt Level IRQ Setting JP1 Switch and Jumper SettingsBase Address Setting Base Address Setting SW1CN3 I/O Port Connector Connectors Pin AssignmentCN4 Counter Interface Connector Reference Direction Description Connector Signal DescriptionUsing Direct I/O Using Advantech 32-bit DLL DriverPeriod Measurement Frequency Measurement Frequency MeasurementSpecifications Digital Input/Output Programmable CounterGeneral Page Block Diagram Appendix B Block Diagram Register Structure & Format I/O Port Address Map Appendix C Register Structure & FormatTable C.1 Register Offset Address Table Register FormatCE CE CM6 to CM3 Count Control CM6 Counter 0/1 Mode RegisterCM2 Output Enable Control CM1 to CM0 Output ControlCM15 Gate Active Edge or Level CM7 Count Source EdgeCM13 to CM12 Gate Source Selection CM14 Gating Polarity SelectionCounter 0/1 Hold Register Counter 0/1 Load RegisterCE1 to CE0 Counter Command Enable Bit Counter 0/1 Command RegisterCounter Command Enable Register C2 to C0 Command CodeInterrupt Status Register Interrupt Control RegisterO Direction Control Bit Interrupt Clear RegisterDirection Control Register Port A/B/C Interrupt Status RegisterDV3 to DV0 Fout Divider Divide by 1 to 16 0000 = Divide by Fout RegisterFS2 to FS0 Fout Source FOE Fout Output EnableWaveform of Each Mode Counter Mode Descriptions Appendix D Waveform of Each ModeTable D.1 PCM-3780 Counter Mode Table D.2 PCM-3780 Counter Mode Software-Triggered Strobe with No Hardware Gating Mode a WaveformsSoftware-Triggered Strobe with Level Gating Mode B WaveformsHardware-Triggered Strobe Mode C WaveformsRate Generator with No Hardware Gating Mode D WaveformsRate Generator with Level Gating Mode E WaveformsNon-Retriggerable One-Shot Mode F WaveformsSoftware-Triggered Delayed Pulse One-Shot Mode G WaveformsMode H Waveforms Hardware-Triggered Delayed Pulse Strobe Mode I WaveformsVariable Duty Cycle Rate Generator with No Hardware Gating Mode J WaveformsVariable Duty Cycle Rate Generator with Level Gating Mode K WaveformsHardware-Triggered Delayed Pulse One-Shot Mode L WaveformsHardware-Triggered Strobe with Edge Disarm Mode O WaveformsNon-Retriggerbale One-Shot with Edge Disarm Mode R WaveformsHardware-Triggered Delayed Pulse Strobe with Edge Disarm Mode U WaveformsHardware-Triggered Delayed Pulse One-Shot with Edge Disarm Mode X Waveforms