![]() ![]() ADRESH Register: This register stores higher or lower bits of digital conversion result after the A/D converter produces a 10-bit digital number.The A/D conversion technique uses a successive approximation (SAR) technique. This digital value is equivalent to its analog input signal. After that, a digital converter changes analog value into a 10-bit digital value. The output of charge/hold capacitor feds to an input of the digital converter. Firstly, each channel accepts analog inputs which charges charge and hold capacitor. How PIC18F ADC Works?ĪDC mainly consists of charge/hold capacitor and successive approximation converter. However, control and configurations registers are the same for every PIC18F series microcontrollers. But the actual number of channels depends on the microcontroller, you are using. ![]() In other words, it can have up to sixteen ADC channels. Each microcontroller can accept up to 16 analog inputs. PIC18F4550 Microcontroller ADC Value On Interruptįirstly, all PIC18F series has a built-in 10-bit ADC module.Interfacing POT and LCD with PIC Microcontroller.PIC18F4550 Microcontroller ADC Programming.ADC Acquisition Time PIC Microcontroller. ![]()
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