User manual

2
CONTENTS
MANUAL ORGANIZATION.....................................................................................................................6
1. INTRODUCTION .................................................................................................................................8
PRODUCT DEFINITION .............................................................................................................8
ZT 8904..........................................................................................................................9
ZT 89CT04 .....................................................................................................................9
ZT 8903..........................................................................................................................9
STAND ALONE ..............................................................................................................9
STD 32 SINGLE MASTER..............................................................................................9
STD 32 MULTIPLE MASTER..........................................................................................9
FEATURES...............................................................................................................................10
DEVELOPMENT CONSIDERATIONS.......................................................................................11
FUNCTIONAL BLOCKS ............................................................................................................11
STD BUS INTERFACE.................................................................................................11
386 EX CPU .................................................................................................................12
MEMORY AND I/O ADDRESSING ...............................................................................13
LOCAL BUS VIDEO......................................................................................................13
SERIAL I/O...................................................................................................................13
IEEE 1284 PARALLEL PORT.......................................................................................14
PARALLEL I/O..............................................................................................................14
INTERRUPTS...............................................................................................................14
TIMERS........................................................................................................................15
DMA.............................................................................................................................15
WATCHDOG TIMER ....................................................................................................15
REAL-TIME CLOCK .....................................................................................................15
KEYBOARD CONTROLLER.........................................................................................16
AC POWER-FAIL PROTECTION..................................................................................16
2. GETTING STARTED.........................................................................................................................17
UNPACKING.............................................................................................................................17
SYSTEM REQUIREMENTS ......................................................................................................17
MEMORY CONFIGURATION....................................................................................................17
SYSTEM RAM - 16-BIT PSEUDO STATIC RAM...........................................................17
I/O CONFIGURATION...............................................................................................................19
CONNECTOR CONFIGURATION.............................................................................................20
JUMPER DESCRIPTIONS........................................................................................................21
SETUP......................................................................................................................................21
SYSTEM CONFIGURATION OVERVIEW.....................................................................21
3. STD BUS INTERFACE......................................................................................................................23
STD 32 OPERATION................................................................................................................23
STD 32 OPERATION....................................................................................................23
STD 32 BUS COMPATIBILITY..................................................................................................24
COMPLIANCE LEVELS................................................................................................24
STD BUS INTERRUPTS ...........................................................................................................24
MASKABLE INTERRUPTS...........................................................................................25
NON-MASKABLE INTERRUPTS ..................................................................................26
RESET......................................................................................................................................27
MULTIPLE MASTER AND INTELLIGENT I/O............................................................................27
MULTIPLE MASTER ....................................................................................................27
INTELLIGENT I/O.........................................................................................................28
SYSTEM REQUIREMENTS..........................................................................................29
MULTIPLE MASTER RESET........................................................................................30