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Z86L71 датащи(PDF) 14 Page - Zilog, Inc. |
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Z86L71 датащи(HTML) 14 Page - Zilog, Inc. |
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14 / 61 page ![]() Z86L70/71/75/C71 IR/Low-Voltage Microcontroller Zilog 1-14 P R E L I M I N A R Y DS97LVO0500 PIN FUNCTIONS XTAL1 Crystal 1 (time-based input). This pin connects a parallel-resonant crystal, ceramic resonator, LC, or RC network or an external single-phase clock to the on-chip oscillator input. XTAL2 Crystal 2 (time-based output). This pin connects a parallel-resonant, crystal, ceramic resonant, LC, or RC network to the on-chip oscillator output. Port 0 (P07-P00). Port 0 is an two-bit, bidirectional, CMOS-compatible port. These I/O lines are configured un- der software control as an I/O port. The output drivers are push-pull. An optional 200 KOhm pull-up is available as a mask op- tion on both Port 0 bits. These pull-ups are disabled when configured (bit by bit) as an output. Figure 8. Port 0 Configuration OEN Out In PAD 200 K Ω Mask Option |
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