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M16C/26 датащи(PDF) 172 Page - Renesas Technology Corp |
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M16C/26 датащи(HTML) 172 Page - Renesas Technology Corp |
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172 / 239 page ![]() Renesas Technology Corp. Programmable I/O Ports 166 M16C/26 Group SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Under development Preliminary Specifications Rev. 0.9 Specifications in this manual are tentative and subject to change. Figure 1.17.4. I/O pins CNVSS CNVSS signal input RESET RESET signal input Note 1: symbolizes a parasitic diode. Do not apply a voltage higher than Vcc to each pin. Note 2: A parasitic diode on the VCC side is added to the mask ROM version. Do not apply a voltage higher than Vcc to each pin. (Note 2) (Note 1) (Note 1) Figure 1.17.3. Programmable I/O ports (3) P87 P86 fc Rf Rd Data bus Direction register Pull-up selection Port latch Direction register Pull-up selection Port latch Data bus Note : symbolizes a parasitic diode. Do not apply a voltage higher than Vcc to each port. (Note) (Note) P85 Data bus Port latch Pull-up selection (Note) NMI Interrupt Input NMI Enable Direction register NMI Enable Port Xc Select bit Port Xc Select bit SD |
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