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| Z86D86 Datasheet, PDF (6/80 Pages) Zilog, Inc. – 28-Pin Low-Voltage OTP Microcontroller | |||
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Z86D86
28-Pin Low-Voltage OTP Microcontroller
vi
List of Figures
Figure 1. Counter/Timers Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 2. Functional Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 3. 28-Pin DIP/SOIC Pin Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 4. Test Load Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 5. Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 6. Port 0 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 7. Port 2 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 8. Port 3 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 9. Port 3 Counter/Timer Output Configuration . . . . . . . . . . . . . . . . . . . 17
Figure 10. Program Memory Map (32K ROM) . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 11. Expanded Register File Architecture . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 12. Register Pointer Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 13. TC8 Control Registerâ(0D) OH: Read/Write Except
Where Noted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 14. T8 and T16 Common Control Functionsâ(0D) 1H: Read/Write . . . 22
Figure 15. T16 Control Registerâ(0D) 2H: Read/Write Except Where Noted . 23
Figure 16. Low Battery Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 17. Stop-Mode Recovery Registerâ(0F) 0BH: D6âD0 = Write Only,
D7 = Read Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 18. Stop-Mode Recovery Register 2â(0F) 0DH: D2âD4, D6 Write Only 26
Figure 19. Watch-Dog Timer Registerâ(0F) 0FH: Write Only . . . . . . . . . . . . . 27
Figure 20. Port Configuration Register (PCON)â(0F) 0H: Write Only . . . . . . . 27
Figure 21. Port 2 Mode RegisterâF6H: Write Only . . . . . . . . . . . . . . . . . . . . . 28
Figure 22. Port 3 Mode RegisterâF7H: Write Only . . . . . . . . . . . . . . . . . . . . . 28
Figure 23. Port 0 and 1 Mode RegisterâF8H: Write Only. . . . . . . . . . . . . . . . . 29
Figure 24. Interrupt Priority RegisterâF9H: Write Only. . . . . . . . . . . . . . . . . . . 30
Figure 25. Interrupt Request RegisterâFAH: Read/Write . . . . . . . . . . . . . . . . 30
Figure 26. Interrupt Mask RegisterâFBH: Read/Write . . . . . . . . . . . . . . . . . 31
Figure 27. Flag RegisterâFCH: Read/Write . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 28. Register PointerâFDH: Read/Write . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 29. Stack Pointer HighâFEH: Read/Write . . . . . . . . . . . . . . . . . . . . . . 32
Figure 30. Stack Pointer LowâFFH: Read/Write . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 31. Register Pointer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 32. Glitch Filter Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
PS008905-0105
PRELIMINARY
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