Table of Contents
TABLE OF CONTENTS......................................................................................................... 2
LIMITED WARRANTY.......................................................................................................... 4
SPECIAL HANDLING INSTRUCTIONS .................................................................................... 4
INTRODUCTION................................................................................................................. 5
PROGRAMMABLE COUNTERS............................................................................................... 7
Input S gnals................................................................................................................. 7
Captured Events............................................................................................................ 8
Output S gnals .............................................................................................................. 8
Counter Preload ............................................................................................................ 8
Output Reg ster............................................................................................................. 9
Examples of Counter Appl cat ons.................................................................................... 9
One-shot (software tr gger).......................................................................................... 9
One-shot (hardware tr gger)....................................................................................... 10
Pulse W dth Modulat on.............................................................................................. 10
INTERRUPT TIMER........................................................................................................... 11
WATCHDOG TIMER .......................................................................................................... 11
Watchdog enable/d sable ............................................................................................. 12
Sol d-sate relay control................................................................................................. 12
D/A CONVERTER.............................................................................................................. 13
Cal brat on .................................................................................................................. 13
A/D CONVERTER.............................................................................................................. 13
Cal brat on .................................................................................................................. 13
DIGITAL I/O.................................................................................................................... 15
INTERRUPTS ................................................................................................................... 15
CALIBRATION EEPROM..................................................................................................... 16
CONFIGURATION JUMPERS............................................................................................... 17
CONNECTORS.................................................................................................................. 17
Analog connector (J3) .................................................................................................. 17
D g tal connector (J5)................................................................................................... 18
REGISTERS ..................................................................................................................... 19
Reg ster Map............................................................................................................... 19
T mer Control Reg ster ................................................................................................ 20
Watchdog T mer Control Reg ster .................................................................................. 20
DAC Control Reg ster ................................................................................................... 21
ADC Control Reg ster ................................................................................................... 22
DAC/ADC Data Reg ster................................................................................................ 22
D g tal I/O Control Reg ster........................................................................................... 23
Interrupt Enable Reg ster ............................................................................................. 24
Interrupt Status Reg ster .............................................................................................. 24
M scellaneous Reg ster ................................................................................................. 25
Counter Preload/Data Reg ster low word ........................................................................ 25
Counter Preload/Data Reg ster h gh word....................................................................... 25