Z86E3016PSG Datasheet, PDF (11/348 Pages) Zilog, Inc. – Z86E3016PSG

Z8 CPU
User Manual
xi
List of Figures
Figure 1. Z8 CPU Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 2. 16-Bit Register Addressing . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 3. Accessing Individual Bits (Example) . . . . . . . . . . . . . . . . . 9
Figure 4. Working Register Addressing Examples . . . . . . . . . . . . . 12
Figure 5. Register Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 6. Expanded Register File Architecture . . . . . . . . . . . . . . . . 15
Figure 7. Register Pointer Example . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 8. Z8 Program Memory Map . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 9. External Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 10. Stack Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 11. Stack Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 12. Z8^® CPU Clock Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 13. Stop-Mode Recovery Register . . . . . . . . . . . . . . . . . . . . . 34
Figure 14. External Clock Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 15. Port Configuration Register . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 16. Pierce Oscillator with Internal Feedback Circuit . . . . . . . 37
Figure 17. Circuit Board Design Rules . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 18. Crystal/Ceramic Resonator Oscillator . . . . . . . . . . . . . . . . 41
Figure 19. LC Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 20. External Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 21. RC Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 22. Reset Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
UM001602-0904
List of Figures