PMAC2 Mini Hardware Reference Manual
Table of Contents i
Table of Contents
INTRODUCTION ....................................................................................................................................................... 1
Board Configuration .................................................................................................................................................. 1
Base Version ......................................................................................................................................................... 1
Option 2: Dual Ported RAM ................................................................................................................................ 1
Option 5: CPU and Memory Configurations ....................................................................................................... 1
Option 6: Extended Servo Algorithm ................................................................................................................... 2
Option 7: Plate Mounting .................................................................................................................................... 2
Option 8: High-Accuracy Clock Crystal .............................................................................................................. 2
Option 10: Firmware Version Specification ........................................................................................................ 2
Option 16: Battery-Backed Parameter Memory .................................................................................................. 2
JUMPER AND SWITCH DESCRIPTIONS ............................................................................................................. 3
E0: Firmware Reload Enable ..................................................................................................................................... 3
E1: Servo and Phase Clock Direction Control .......................................................................................................... 3
E2: CPU Frequency Select ........................................................................................................................................ 3
E3: Normal/Re-Initializing Power-Up/Reset ............................................................................................................. 3
E4: CPU Frequency Select ........................................................................................................................................ 3
E5 – E6: (Reserved for Future Use) .......................................................................................................................... 4
E7 – E10: Host Interrupt Signal Select ..................................................................................................................... 4
E13: Encoder Sample Clock Direction Control ........................................................................................................ 4
E14: Watchdog Disable Jumper ................................................................................................................................ 4
E20: Battery-Backed RAM Enable .......................................................................................................................... 4
E111-112: Command Output Disable State ............................................................................................................... 5
DIP Switch Block S1: ISA-Bus Address Select ........................................................................................................ 5
HOST PC-AT I/O ADDRESS MAP ........................................................................................................................... 7
MINI-PMAC2 MATING CONNECTORS ............................................................................................................... 8
J2 (JTHW)/Multiplexer Port ................................................................................................................................. 8
J3 (JIO)/Digital I/O .............................................................................................................................................. 8
J4 (JMACRO)/MACRO Digital Data ................................................................................................................... 8
JS1 (JADC)/A/D Converter Interface ................................................................................................................... 8
J5 (JRS232)/RS-232 Serial Communications ....................................................................................................... 8
J6 (JDISP)/Display ............................................................................................................................................... 8
J7 (JHW)/Auxiliary Channel ................................................................................................................................. 8
J9 (JMACH1)/Machine Port 1 .............................................................................................................................. 8
J11 (JEXP)/Expansion .......................................................................................................................................... 8
PMAC2 MINI CONNECTOR PINOUTS ................................................................................................................. 9
J2 (JTHW): Multiplexer Port Connector ................................................................................................................... 9
J3 (JI/O): General Input/Output Connector ............................................................................................................. 10
J4 (JMACRO): MACRO Network Ring Interface Connector ................................................................................. 11
JS1 (JADC): A/D Converter Connector .................................................................................................................. 12
J5 (JRS232): Serial Port Connector ......................................................................................................................... 12
J6 (JDISP): Display Connector ............................................................................................................................... 13
J7 (JHW): Handwheel Encoder Connector.............................................................................................................. 13
J9 (JMACH1): Servo Channel 1 and 2 Connector .................................................................................................. 14
TB1: Standalone Power Supply Terminal Block ..................................................................................................... 17
TB2: Watchdog Output Terminal Block ................................................................................................................. 17
SCHEMATICS .......................................................................................................................................................... 18