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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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EKTF6708 데이터시트(PDF) 75 Page - ELAN Microelectronics Corp |
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EKTF6708 데이터시트(HTML) 75 Page - ELAN Microelectronics Corp |
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75 / 158 page  eKTF6708 8-Bit Microcontroller IC Product Specification (V1.2) 03.12.2020 65 (This specification is subject to change without prior notice) 6.3 I/O Ports The I/O registers, Port 5~Port 7 are bidirectional tri-state I/O ports. All can be pulled high and pulled low internally by software. Furthermore, they can also be set as open-drain output and high sink/drive by software. Ports 5~7 features wake-up and interrupt function as well as input status change interrupt function. Each I/O pin can be defined as "input" or "output" pin by the I/O control register (IOC5 ~ IOC7). The I/O registers and I/O control registers are both readable and writable. The I/O interface circuits for Port 5 ~ Port 7 are shown in the following Figures 6-4a to 6-4d. PCWR PCRD PDWR PDRD IOD 0 1 M U X PORT Q Q _ D D Q Q _ CLK P R C L CLK C L P R Note: Pull-down is not shown in the figure. Figure 6-4a I/O Port and I/O Control Register for Port 5~7 Circuit Diagram |
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