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数据搜索系统，热门电子元器件搜索 |
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ST7MC1K2-Auto 数据表(PDF) 81 Page - STMicroelectronics |
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ST7MC1K2-Auto 数据表(HTML) 81 Page - STMicroelectronics |
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81 / 371 page  Obsolete Product(s) - Obsolete Product(s) ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto I/O ports 81/371 Caution: The alternate function must not be activated as long as the pin is configured as input with interrupt, in order to avoid generating spurious interrupts. Table 26. I/O port configurations Hardware configuration 1. When the I/O port is in input configuration and the associated alternate function is enabled as an output, reading the DR register reads the alternate function output status. 2. When the I/O port is in output configuration and the associated alternate function is enabled as an input, the alternate function reads the pin status given by the DR register content. Pad VDD RPU W R Not implemented in true open drain I/O ports Pull-up condition DR register access DR register Data bus Alternate input External interrupt source (eix) Interrupt condition Analog input R/W Not implemented in true open drain I/O ports Pad VDD RPU DR register access Data bus DR register Alternate output Alternate enable Not implemented in true open drain I/O ports Pad VDD RPU DR register access DR register R/W Data bus Alternate output Alternate enable Obsolete Product(s) - Obsolete Product(s) |
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