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CSTS0200MGA06 Datasheet(PDF) 43 Page - STMicroelectronics |
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CSTS0200MGA06 Datasheet(HTML) 43 Page - STMicroelectronics |
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43 / 153 page ![]() ST72334J/N, ST72314J/N, ST72124J 43/153 I/O PORTS (Cont’d) 12.4 LOW POWER MODES 12.5 INTERRUPTS The external interrupt event generates an interrupt if the corresponding configuration is selected with DDR and OR registers and the I-bit in the CC reg- ister is reset (RIM instruction). Table 8. Port Configuration Mode Description WAIT No effect on I/O ports. External interrupts cause the device to exit from WAIT mode. HALT No effect on I/O ports. External interrupts cause the device to exit from HALT mode. Interrupt Event Event Flag Enable Control Bit Exit from Wait Exit from Halt External interrupt on selected external event - DDRx ORx Yes Yes Port Pin name Input Output OR = 0 OR = 1 OR = 0 OR = 1 High-Sink Port A PA7:6 floating true open-drain Yes PA5:4 floating pull-up open drain push-pull PA3 floating floating interrupt open drain push-pull No PA2:0 floating pull-up interrupt open drain push-pull Port B PB4:3 floating floating interrupt open drain push-pull PB7:5, PB2:0 floating pull-up interrupt open drain push-pull Port C PC7:4, PC1:0 floating pull-up open drain push-pull PC3:2 floating pull-up open drain push-pull Yes Port D PD7:0 floating pull-up open drain push-pull No Port E PE7:4 floating pull-up open drain push-pull Yes PE1:0 floating pull-up open drain push-pull No Port F PF7:6 floating pull-up open drain push-pull Yes PF4 floating pull-up open drain push-pull No PF2 floating floating interrupt open drain push-pull PF1:0 floating pull-up interrupt open drain push-pull |
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