ZWorld CM7000 Series, Руководство пользователя

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Table of Contents s v CM7000
ASCI Control Register B ................................................................ 68
SS (Source/Speed Select) ............................................................. 68
DR (Divide Ratio) ........................................................................ 69
PEO (Parity Even/Odd) ................................................................ 69
/CTS/PS (Clear to Send/Prescaler) ............................................... 69
MP (Multiprocessor Mode) .......................................................... 69
MPBT (Multiprocessor Bit Transmit) .......................................... 69
Chapter 4: Design Considerations 71
Bus Loading ......................................................................................... 72
Bus Timing ........................................................................................... 76
Standard I/O Cycles ............................................................................. 76
Wait State Insertion ......................................................................... 77
System Power ....................................................................................... 78
Power-On and Reset Management ....................................................... 79
Watchdog Timer ................................................................................... 79
I/O Addressing ..................................................................................... 80
Appendix A: Troubleshooting 81
Out of the Box ...................................................................................... 82
Dynamic C Will Not Start .................................................................... 83
Dynamic C Loses Serial Link .............................................................. 83
CM7000 Repeatedly Resets ................................................................. 83
Common Programming Errors ............................................................. 84
Appendix B: Specifications 85
Electrical and Mechanical Specifications ............................................ 86
Mechanical Dimensions .................................................................. 87
Jumpers and Headers ........................................................................... 88
CM7100 .......................................................................................... 88
CM7200 .......................................................................................... 89
Appendix C: Memory, I/O Map, and Interrupt Vectors 91
CM7000 Memory ................................................................................ 92
Execution Timing ............................................................................ 93
Memory Map ....................................................................................... 94
Input/Output Select Map ................................................................. 94
Z180 Internal Input/Output Register Addresses 0x00-0x3F ........... 94
Epson 72423 Timer Registers 0x4180–0x418F .............................. 96
Other Addresses .............................................................................. 97
I/O Addressing .............................................................................. 97