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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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L9803 데이터시트(PDF) 35 Page - STMicroelectronics |
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L9803 데이터시트(HTML) 35 Page - STMicroelectronics |
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35 / 126 page  L9803 On-Chip Peripherals 35/126 Figure 16. I/O Port General Block Diagram Legend: NI - not implemented Off - implemented not activated On - implemented and activated Note: The diode to V DD is not implemented in the true open drain pads. A local protection between the pad and V SS is implemented to protect the device against positive stress. Table 5. I/O Port Mode Options Configuration Mode Pull-Up P-Buffer Diodes to V DD to V SS Input Floating with/without Interrupt Off Off On On Pull-up with/without Interrupt On Output Push-pull Off On Open Drain (logic level) Off True Open Drain NI NI NI (see note) DR DDR OR PAD VDD ALTERNATE ENABLE ALTERNATE OUTPUT 1 0 OR SEL DDR SEL DR SEL PULL-UP CONFIGURATION P-BUFFER (see table below) N-BUFFER PULL-UP (see table below) 1 0 ANALOG INPUT If implemented ALTERNATE INPUT VDD DIODES (see table below) FROM OTHER BITS EXTERNAL SOURCE (eix) INTERRUPT POLARITY SELECTION CMOS SCHMITT TRIGGER REGISTER ACCESS |
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