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AssigneeAVL Software and Functions GmbH
InventorMichele BEDIN
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Device for ratiometric measurement of voltages for an analog-digital converter, wherein the device comprises a functional providing unit, a microcontroller and a first sensor, wherein a reference voltage is provided to the microcontroller and a first supply voltage is provided to the first sensor and the microcontroller by the functional providing unit, and wherein the first sensor is connected to the microcontroller in terms of signalling by transmitting sensor signals, and wherein the microcontroller comprises a first multiplexer and a second multiplexer, wherein the multiplexers outputs signals to the analog-digital-converter. According to the invention, it is provided that the reference voltage and the first supply voltage are in each case present on the input side at the first multiplexer and at the second multiplexer, wherein in a first switching state the first supply voltage can be measured on the output side by using the reference voltage as a reference for the analog-digital-converter and in a second switching state the reference voltage can be measured by using the first supply voltage as a reference for the analog-digital-converter.
Device for ratiometric measurement of voltages and monitoring of at least one voltage for an analog-digital-converter, wherein the device comprises a functional providing unit, a microcontroller and a first sensor, wherein a reference voltage is provided to the microcontroller and a first supply voltage is provided to the first sensor and the microcontroller by the functional providing unit, and wherein the first sensor is connected to the microcontroller in terms of signal Rifling by transmission of sensor signals, and wherein the microcontroller comprising a first multiplexer and a second multiplexer, wherein the multiplexers outputs signals to the analog-digital-converter, wherein:
Dependencies are inferred from the claim text.