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ST72325AR9-Auto 데이터시트(PDF) 76 Page - STMicroelectronics |
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ST72325AR9-Auto 데이터시트(HTML) 76 Page - STMicroelectronics |
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76 / 243 page ![]() Obsolete Product(s) - Obsolete Product(s) I/O ports ST72325xxx-Auto 76/243 Doc ID 13770 Rev 3 Figure 31. I/O port general block diagram Table 30. I/O port mode options Configuration mode Pull-up P-buffer Diodes to VDD to VSS 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(1) 1. The diode to VDD is not implemented in the true open-drain pads. A local protection between the pad and VSS is implemented to protect the device against positive stress. Legend: Off - Implemented not activated On - Implemented and activated NI - Not implemented DR DDR OR PAD VDD ALTERNATE ENABLE ALTERNATE OUTPUT 1 0 OR SEL DDR SEL DR SEL PULL-UP CONDITION 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) EXTERNAL SOURCE (eix) INTERRUPT CMOS SCHMITT TRIGGER REGISTER ACCESS |
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