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Z86E3016PSG Datasheet, PDF (14/348 Pages) Zilog, Inc. – Z86E3016PSG
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Z8 Family of Microcontrollers
User Manual
xiv
Figure 65. Simplified CMOS Z8 I/O Circuit . . . . . . . . . . . . . . . . . . 111
Figure 66. Autolatch Equivalent Circuit . . . . . . . . . . . . . . . . . . . . . . 113
Figure 67. Effect of Pulldown Resistors on Autolatches . . . . . . . . . 114
Figure 68. Counter/Timer Block Diagram . . . . . . . . . . . . . . . . . . . . 116
Figure 69. Counter/Timer Register Map . . . . . . . . . . . . . . . . . . . . . . 118
Figure 70. Prescaler 0 Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Figure 71. Prescaler 1 Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Figure 72. Counter/Timer 0 and 1 Registers . . . . . . . . . . . . . . . . . . . 119
Figure 73. Timer Mode Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Figure 74. Starting The Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Figure 75. Counting Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Figure 76. Timer Mode Register (TOUT Operation) . . . . . . . . . . . . . 124
Figure 77. Port 3 Mode Register (TOUT Operation) . . . . . . . . . . . . . 125
Figure 78. T0 and T1 Output Through TOUT . . . . . . . . . . . . . . . . . . 126
Figure 79. Internal Clock Output Through TOUT . . . . . . . . . . . . . . . 127
Figure 80. Timer Mode Register (TIN Operation) . . . . . . . . . . . . . . 128
Figure 81. Prescaler 1 Register (TIN Operation) . . . . . . . . . . . . . . . . 128
Figure 82. External Clock Input Mode . . . . . . . . . . . . . . . . . . . . . . . 129
Figure 83. Gated Clock Input Mode . . . . . . . . . . . . . . . . . . . . . . . . . 130
Figure 84. Triggered Clock Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Figure 85. Cascaded Counter/Timers . . . . . . . . . . . . . . . . . . . . . . . . 132
Figure 86. Counter/Timer Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Figure 87. Prescaler 1 Register Reset . . . . . . . . . . . . . . . . . . . . . . . . 133
Figure 88. Prescaler 0 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
List of Figures
UM001602-0904
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