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ST10F280 数据表(PDF) 153 Page - STMicroelectronics |
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ST10F280 数据表(HTML) 153 Page - STMicroelectronics |
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153 / 186 page  ST10F280 153/186 EXISEL (F1DAh / EDh) ESFR Reset Value: 0000h XP3IC (F19Eh / CFh) 1 ESFR Reset Value: - - 00h Note: 1. XP3IC register has the same bit field as xxIC interrupt registers xxIC (yyyyh / zzh) SFR Area Reset Value: - - 00h 15 14 13 12 11 10 9876543210 EXI7SS EXI6SS EXI5SS EXI4SS EXI3SS EXI2SS EXI1SS EXI0SS RW RW RW RW RW RW RW RW EXIxSS External Interrupt x Source Selection (x=7...0) ‘00’: Input from associated Port 2 pin. ‘01’: Input from “alternate source”. ‘10’: Input from Port 2 pin ORed with “alternate source”. ‘11’: Input from Port 2 pin ANDed with “alternate source”. EXIxSS Port 2 pin Alternate Source 0 P2.8 CAN1_RxD 1 P2.9 CAN2_RxD 2...7 P2.10...15 Not used (zero) 15 14 13 12 11 10 9876543210 - - - - - - - - XP3IR XP3IE XP3ILVL GLVL RW RW RW RW 15 14 13 12 11 10 9876543210 -------- xxIR xxIE ILVL GLVL RW RW RW RW Bit Function GLVL Group Level Defines the internal order for simultaneous requests of the same priority. 3: Highest group priority 0: Lowest group priority ILVL Interrupt Priority Level Defines the priority level for the arbitration of requests. Fh: Highest priority level 0h: Lowest priority level xxIE Interrupt Enable Control Bit (individually enables/disables a specific source) ‘0’: Interrupt Request is disabled ‘1’: Interrupt Request is enabled xxIR Interrupt Request Flag ‘0’: No request pending ‘1’: This source has raised an interrupt request |
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