Z80180 Datasheet, PDF (10/326 Pages) Zilog, Inc. – Z8018x Family MPU

Z8018x Family
MPU User Manual
xi
Figure 49. TEND0 Output Timing Diagram . . . . . . . . . . . . . . . . . . .108
Figure 50. DMA Interrupt Request Generation . . . . . . . . . . . . . . . . .114
Figure 51. NMI and DMA Operation Timing Diagram . . . . . . . . . . .115
Figure 52. ASCI Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .117
Figure 53. DCD0 Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . .139
Figure 54. RTS0 Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .140
Figure 55. ASCI Interrupt Request Circuit Diagram . . . . . . . . . . . . .140
Figure 56. ASCI Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Figure 57. CSI/O Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .147
Figure 58. CSI/O Interrupt Request Generation . . . . . . . . . . . . . . . . .151
Figure 59. Transmit Timing Diagram–Internal Clock . . . . . . . . . . . .153
Figure 60. Transmit Timing–External Clock . . . . . . . . . . . . . . . . . . .154
Figure 61. CSI/O Receive Timing–Internal Clock . . . . . . . . . . . . . . .155
Figure 62. CSI/O Receive Timing–External Clock . . . . . . . . . . . . . .156
Figure 63. PRT Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157
Figure 64. Timer Initialization, Count Down, and Reload
Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163
Figure 65. Timer Output Timing Diagram . . . . . . . . . . . . . . . . . . . . .164
Figure 66. PRT Interrupt Request Generation . . . . . . . . . . . . . . . . . .164
Figure 67. E Clock Timing Diagram (During Read/Write Cycle
and Interrupt Acknowledge Cycle . . . . . . . . . . . . . . . . . .167
Figure 68. E Clock Timing in BUS RELEASE Mode . . . . . . . . . . . .167
Figure 69. E Clock Timing in SLEEP Mode and
SYSTEM STOP Mode . . . . . . . . . . . . . . . . . . . . . . . . . . .168
Figure 70. External Clock Interface . . . . . . . . . . . . . . . . . . . . . . . . . .169
Figure 71. Clock Generator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . .170
Figure 72. Circuit Board Design Rules . . . . . . . . . . . . . . . . . . . . . . .170
Figure 73. Example of Board Design . . . . . . . . . . . . . . . . . . . . . . . . .171
UM005001-ZMP0400