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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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ST723246 Scheda tecnica(PDF) 16 Page - STMicroelectronics |
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ST723246 Scheda tecnica(HTML) 16 Page - STMicroelectronics |
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16 / 161 page  ST72324 16/161 Notes: 1. The contents of the I/O port DR registers are readable only in output configuration. In input configura- tion, the values of the I/O pins are returned instead of the DR register contents. 2. The bits associated with unavailable pins must always keep their reset value. 3. These registers and the ICF2 and OCF2 flags are not present in the ST72324 but are present in the emulator. For compatibility with the emulator, it is recommended to perform a dummy access (read or write) to the TAIC2LR and TAOC2LR registers to clear the interrupt flags. 4. The registers can be written, but reading them will return undefined values. 5. Bits 2 and 4 of this register (ICF2 and OCF2) are forced by hardware to 0. Consequently, the corre- sponding interrupts cannot be used. |
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