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Z8601720ASC датащи(PDF) 39 Page - Zilog, Inc. |
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Z8601720ASC датащи(HTML) 39 Page - Zilog, Inc. |
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39 / 138 page ![]() Z86017/Z16017 PCMCIA Interface Solution Product Specification PCMCIA Interface Overview PS012002-1201 25 Peripheral Control Signals • POR (Input, Schmitt-Triggered, 100K Pull-Up) Local Power-On Reset signal. A 0.1mF capacitor is recommended on this pin to GND to generate a POR. • M_PINT (Output, Tri-State, 8 mA) Interrupt to local microprocessor • PC_MCLK_IN (Input, Schmitt-Triggered) Master Clock In. This is an input signal. This clock signal is used to generate all internal timing. All local bus signals are asynchronous to this clock. • EXTP_STSCHG/RES2 (Input, 100K Pull-Up) Status Change Input. This signal outputs the value of the status changed line on the PCMCIA bus if enabled in the CCR register, or it is an input for bit 7 (RSVDEVT3) in CCR4. • EXTP_AUDIO (Input 100K Pull-Up) Audio Input. This input signal reflects the audio output. This signal is active High, and the Speaker output on the PCMCIA bus is active Low. • EXTP_PWDN (Output, 8 mA) Power Down Output. This signal reflects the state of the Power Down bit in the CCR. • V SS (Input) Ground. • V DD (Input) Supply Voltage. |
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