Sensoray 621 - Manual (Page 3)

Sensoray Model 621/721 Instruction Manual Page 1
TABLE OF CONTENTS
LIMITED WARRANTY 2
SPECIAL HANDLING INSTRUCTIONS 2
1. INTRODUCTION 3
B LOCK D IAGRAM ............................................................................................................................................................. 3
2. INSTALLATION 4
3. RESET 4
4. DEVICE AND VENDOR IDENTIFICATION 4
5. DIGITAL I/O INTERFACE 4
5.1 O VERVIEW ................................................................................................................................................................. 4
5.2 R EGISTERS ................................................................................................................................................................. 5
5.2.1 I/O Ports............................................................................................................................................................. 6
5.2.2 Latch/Output Enable Mode ................................................................................................................................. 6
5.2.3 Edge Type Select Register (channels 0-63) .......................................................................................................... 6
5.2.4 Arming & Disarming Capture (channels 0-63) .................................................................................................... 6
5.2.6 Edge Capture Flag Register (channels 0-63) ....................................................................................................... 7
5.2.7 Clearing Captured Edges.................................................................................................................................... 7
6. INTERRUPTS 8
6.1 O VERVIEW ................................................................................................................................................................. 8
6.2 DIO I NTERRUPT E NABLE /D ISABLE .............................................................................................................................. 8
6.4 G LOBAL I NTERRUPT E NABLE /D ISABLE ........................................................................................................................ 8
6.5 I NTERRUPT R EQUEST F LAGS ....................................................................................................................................... 8
6.3 Clearing an Interrupt Request Flag........................................................................................................................ 8
APPENDIX A: SPECIFICATIONS 9
APPENDIX B: ACCESSORIES 9
APPENDIX C: CONNECTOR PINOUT 10
APPENDIX D: TECHNICAL SUPPORT 11