CY545 Stepper System Controller
www.ControlChips.com
© 2002 Cybernetic Micro Systems
Table of Contents
iii
Chapter 7 - External Memory Commands .............................................................................25
External Memory Support Commands...............................................................................25
External Memory Address Pointer .....................................................................................25
Writing Commands into Memory .......................................................................................25
Running From External Memory........................................................................................26
Example ............................................................................................................................28
Chapter 8 - Program Branch Commands ..............................................................................29
Jump and Loop .................................................................................................................29
Nested Loops ................................................................................................................29
Chapter 9 - Operating Mode Command .................................................................................31
Operating Mode Command ...............................................................................................31
Chapter 10 - Miscellaneous Commands................................................................................35
Initialize Command............................................................................................................35
Time Delay Command.......................................................................................................35
Query Command...............................................................................................................36
Display CY545 Status....................................................................................................36
Display Memory Contents..............................................................................................37
Message Display Command..............................................................................................38
Embedded Control Characteristics and Their Use: ........................................................38
Hewlett Packard (HP) LED 8 Digit Display.........................................................................38
LED Display Details.......................................................................................................39
Chapter 11 - CY545 Example Circuits....................................................................................40
Three Example Cases.......................................................................................................40
CY545 Example Circuit – Minimum Serial Configuration ...............................................40
CY545 Example Circuit – Minimum Parallel Configuration.............................................41
CY545 Example Circuit – Maximum Configuration ........................................................42
Chapter 12 - External Memory Support .................................................................................43
Memory Read/Write ..........................................................................................................43
“Auto-Start” Feature for Stand Alone Operation.................................................................44
Chapter 13 - Thumbwheel Switch Support............................................................................46
Thumbwheel Switch Support.............................................................................................46
CY545 Thumbwheel Switch Parameter Addresses ..........................................................49
CY545 Thumbwheel Circuit Diagram ................................................................................50
Chapter 14 - CY545 Output Display Support.........................................................................51
Output Format ...................................................................................................................51
Output to LCD (CY325-Based) ..........................................................................................51
Output to Parallel Device (Including CY233 Network Chip) ..............................................52
Output to 8-Digit LED Display............................................................................................52
Chapter 15 - CY545 Prototyping Support ..............................................................................54
The CYB-545 Prototyping Board .......................................................................................54
CYS-545 Panel Software...................................................................................................55
CyberCom Console Software ............................................................................................55
The CYB-233 Prototyping Board .......................................................................................56
The CYB-003 Prototyping Board .......................................................................................57
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