Manual Organization
7
Chapter 11, "
System Registers
", discusses the three system registers used to control
and monitor a variety of functions on the ZT 8904.
Chapter 12, "
Watchdog Timer
", lists the major features of the watchdog timer which
monitors the ZT 8904 operation and takes corrective action if the system fails to function
as programmed.
Chapter 13, "
Local BUS Video
", includes information on the local bus interface which
permits high speed peripherals direct access to the CPU bus.
Chapter 14, "
Numeric Data Processor
", discusses how the numeric data processor
extends the CPU instruction set to include trigonometric, logarithmic, and exponential
functions.
Chapter 15, "
Programmable LED
", discusses the ZT 8904's two Light-Emitting Diodes
(LEDs).
Chapter 16, "
AC Power Fail
", includes information on the AC power-fail detection as a
means for giving the application advanced warning of an impending power failure.
Appendix A, "
Jumper Configurations
", demonstrations how the ZT 8904 offers
several options tailoring the operation of the board to requirements of specific
applications. The "Jumper Cross Reference" table is included.
Appendix B, "
Specifications
", describes the electrical, environmental, and mechanical
specifications of the ZT 8904. It includes illustrations of the board dimensions, the P/E
connector pinouts, and cables commonly used with the ZT 8904. Also shown are tables
listing the pin assignments for the ZT 8904's 10 connectors.
Appendix C, "
PIA System Setup Considerations
", discusses the 16C50A Parallel
Interface Adapter (PIA) device used on the ZT 8904. It is designed by Ziatech to offer
bidirectional I/O signals with or without event sense capability.
Appendix D, "
Customer Support
", offers technical assistance information for this
product, and also the necessary information should you need to return a Ziatech
product.