Z80180 Datasheet, PDF (9/326 Pages) Zilog, Inc. – Z8018x Family MPU

Z8018x Family
MPU User Manual
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Figure 21. SLEEP Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 22. I/O Address Relocation . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 23. Logical Address Mapping Examples . . . . . . . . . . . . . . . . . 55
Figure 24. Physical Address Transition . . . . . . . . . . . . . . . . . . . . . . . 56
Figure 25. MMU Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Figure 26. I/O Address Translation . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Figure 27. Logical Memory Organization . . . . . . . . . . . . . . . . . . . . . 58
Figure 28. Logical Space Configuration . . . . . . . . . . . . . . . . . . . . . . . 59
Figure 29. Physical Address Generation . . . . . . . . . . . . . . . . . . . . . . . 64
Figure 30. Physical Address Generation 2 . . . . . . . . . . . . . . . . . . . . . 64
Figure 31. Interrupt Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure 32. TRAP Timing Diagram -2nd Op Code Undefined . . . . . . 71
Figure 33. TRAP Timing - 3rd Op Code Undefined . . . . . . . . . . . . . 72
Figure 34. NMI Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Figure 35. NMI Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure 36. INT0 Mode 0 Timing Diagram . . . . . . . . . . . . . . . . . . . . . 76
Figure 37. INT0 Mode 1 Interrupt Sequence . . . . . . . . . . . . . . . . . . . 77
Figure 38. INT0 Mode 1 Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Figure 39. INT0 Mode 2 Vector Acquisition . . . . . . . . . . . . . . . . . . . 79
Figure 40. INT0 Interrupt Mode 2 Timing Diagram . . . . . . . . . . . . . 80
Figure 41. INT1, INT2 Vector Acquisition . . . . . . . . . . . . . . . . . . . . 81
Figure 42. RETI Instruction Sequence . . . . . . . . . . . . . . . . . . . . . . . . 84
Figure 43. INT1, INT2 and Internal Interrupts Timing Diagram . . . . 86
Figure 44. Refresh Cycle Timing Diagram . . . . . . . . . . . . . . . . . . . . . 87
Figure 45. DMAC Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Figure 46. DMA Timing Diagram-CYCLE STEAL Mode . . . . . . . 106
Figure 47. CPU Operation and DMA Operation DREQ0
is Programmed for Level-Sense . . . . . . . . . . . . . . . . . . . 107
Figure 48. CPU Operation and DMA Operation DREQ0
is Programmed for Edge-Sense . . . . . . . . . . . . . . . . . . . . 108
UM005001-ZMP0400