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ST92F124 bảng dữ liệu(PDF) 374 Page - STMicroelectronics |
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ST92F124 bảng dữ liệu(HTML) 374 Page - STMicroelectronics |
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374 / 429 page ![]() 374/429 10-BIT ANALOG TO DIGITAL CONVERTER (ADC) REGISTER DESCRIPTION (Cont’d) Bit 5 = ECI: End of Conversion Interrupt Enable. This bit masks the End of Conversion interrupt re- quest. 0: Mask End of Conversion interrupts 1: Enable End of Conversion interrupts Bit 4 = AWDI: Analog Watchdog Interrupt Enable. This bit masks or enables the Analog Watchdog interrupt request. 0: Mask Analog Watchdog interrupts 1: Enable Analog Watchdog interrupts Bit 3 = Reserved. Bits 2:0 = PL[2:0]: ADC Interrupt Priority Level. These three bits are used to select the Interrupt priority level for the ADC. INTERRUPT VECTOR REGISTER (AD_IVR) R255 - Read/Write Register Page: 63 Reset Value: xxxx xx10 (x2h) Bits 7:2 = V[7:2]: ADC Interrupt Vector. This vector should be programmed by the user to point to the first memory location in the Interrupt Vector table containing the starting addresses of the ADC interrupt service routines. Bit 1 = W1: Word Select. This bit is set and cleared by hardware, according to the ADC interrupt source. 0: Interrupt source is the Analog Watchdog, point- ing to the lower word of the ADC interrupt serv- ice block (defined by V[7:2]). 1:Interrupt source is the End of Conversion inter- rupt, thus pointing to the upper word. Note: When two requests occur simultaneously, the Analog Watchdog Request has priority over the End of Conversion request, which is held pending. Bit 0 = Reserved, forced by hardware to 0. 70 V7 V6 V5 V4 V3 V2 W1 0 9 |
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