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ST10F296 数据表(PDF) 285 Page - STMicroelectronics |
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ST10F296 数据表(HTML) 285 Page - STMicroelectronics |
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285 / 346 page  Obsolete Product(s) - Obsolete Product(s) ST10F296E Register set 285/346 EXICON register EXICON (F1C0h/E0h) ESFR Reset value: 0000h 15 14 13 12 11 10 9 8 7 6 5 4 3210 EXI7ES EXI6ES EXI5ES EXI4ES EXI3ES(1)(2) 1. EXI2ES and EXI3ES must be configured as 01b because RTC interrupt request lines are rising edge active. 2. Alarm interrupt request line (RTCAI) is linked with EXI3ES EXI2ES(1)(3) 3. Timed interrupt request line (RTCSI) is linked with EXI2ES EXI1ES EXI0ES R/W R/W R/W R/W R/W R/W R/W R/W Table 153. EXICON register description Bit Bit name Function 15-0 EXIxES (x = 7 to 0) External interrupt x edge selection field (x = 7...0) 00: Fast external interrupts disabled (standard mode). EXxIN pin not taken into account for entering/exiting power-down mode. 01: Interrupt on positive rising edge. Power-down mode is entered if EXiIN = 0 and exited if EXxIN = 1 (referred as ‘high’ active level). 10: Interrupt on negative falling edge. Power-down mode is entered if EXiIN = 1 and exited if EXxIN = 0 (referred as ‘low’ active level). 11: Interrupt on any edge (rising or falling). Power-down mode is always entered. It is exited if the EXxIN level changes. Obsolete Product(s) - Obsolete Product(s) |
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