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Z8523016PEC Datasheet(PDF) 5 Page - Zilog, Inc. |
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Z8523016PEC Datasheet(HTML) 5 Page - Zilog, Inc. |
5 / 120 page == (QKDQFHG6HULDO &RPPXQLFDWLRQV&RQWUROOHU 36 Y List of Figures Figure 1. Z85230 Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Figure 2. Z80230 Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Figure 3. Z85230 Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 4. Z80230 Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 5. ESCC Transmit Data Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 6. ESCC Receive Data Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 7. ESCC Interrupt Priority Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 8. Various ESCC Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 9. Detecting 5- or 7-Bit Synchronous Characters . . . . . . . . . . . . . . . . . . . . . . 17 Figure 10. SDLC Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 11. Data Encoding Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Figure 12. Write Register 7 Prime (WR7’) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 13. DMA Request on Transmit Deactivation Timing . . . . . . . . . . . . . . . . . . . . 25 Figure 14. TxIP Latching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 15. DPLL Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 16. SDLC Frame Status FIFO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 17. SDLC Byte Counting Detail 32 Figure 18. Z80230 Write Cycle Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Figure 19. Z80230 Read Cycle Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Figure 20. Z80230 Interrupt Acknowledge Cycle Timing . . . . . . . . . . . . . . . . . . . . . . 74 Figure 21. Read Cycle Timing (Z85230) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Figure 22. Write Cycle Timing (Z85230) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Figure 23. Interrupt Acknowledge Cycle Timing (Z85230) . . . . . . . . . . . . . . . . . . . . . 76 Figure 24. Standard and Open-Drain Test Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Figure 25. Z80230 Read/Write Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 Figure 26. Z80230 Interrupt Acknowledge Timing Diagram . . . . . . . . . . . . . . . . . . . . 81 Figure 27. Z80230 Reset Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Figure 28. Z80230 General Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 Figure 29. Z85230 Read/Write Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Figure 30. Z85230 Reset Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Figure 31. Z85230 Interrupt Acknowledge Timing Diagram . . . . . . . . . . . . . . . . . . . . 92 Figure 32. Z85230 Cycle Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Figure 33. Z85230 System Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 |
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