What is the resolution of on chip ADC of pic18f4520?

What is the resolution of on chip ADC of pic18f4520?

The ADC in PIC18F4550 is a successive approximation ADC with a resolution of 10 bits. The resolution indicates how much the reference voltage can be divided. For a 10 bit resolution ADC, it is possible to divide up to 1024 (2^10) voltages. So for a 5V reference voltage, the minimum voltage will be 5/1024 = 4.8mV.

Which IC is used for ADC interfacing?

To interface the ADC with 8085, we need 8255 Programmable Peripheral Interface chip with it.

What is ADC interfacing?

AddThis Sharing Buttons. Analog-to-Digital Converters (ADCs) are used to convert analog signals into digital representations that can be communicated and processed using digital logic.

What is significance of ADCON0 and ADCON1 register?

The ADCON0 register, shown in Figure 23-1, controls the operation of the A/D module. The ADCON1 register, shown in Figure 23-2, configures the functions of the port pins. The port pins can be configured as analog inputs (AN3 and AN2 can also be the voltage references) or as dig- ital I/O.

What is ADC resolution?

Resolution. The ADC resolution is defined as the smallest incremental voltage that can be recognized and thus causes a change in the digital output. It is expressed as the number of bits output by the ADC. Therefore, an ADC which converts the analog signal to a 12-bit digital value has a resolution of 12 bits.

What is the main purpose of using adcon register in PIC microcontrollers?

Analog to Digital Converter (ADC) is a device that converts an analog quantity (continuous voltage) to discrete digital values. This is very useful when we want to do some processing on physical quantities, which are normally analog in nature. Most of the PIC Microcontrollers have built in ADC Module.

What is interfacing ADC with 8051?

ADC is the Analog to Digital converter, which converts analog data into digital format; usually it is used to convert analog voltage into digital format.

What is the function of ADC?

An analog-to-digital converter (ADC) is used to convert an analog signal such as voltage to a digital form so that it can be read and processed by a microcontroller. Most microcontrollers nowadays have built-in ADC converters.

What is ADCON1 used for?

ADCON1 – A/D Control Register 1; determines the configuration of the PORTA and PORTE and how the result of conversion of A/D will be store.

What is adcon register?

ADCON is one of the registers that controls the operation of the A/D converter. I don’t knwo which PIC you are planning to use but if you read the chapter in the datasheet on the A/D converter it will tell you which bits have to be cleared/set to make the port pins digital I/O. 1/29/2008.

How the resolution of an ADC depends on?

The number of binary digits (bits) that represents the digital number determines the ADC resolution. However, the digital number is only an approximation of the true value of the analog voltage at a particular instant because the voltage can only be represented (digitally) in discrete steps.

What is the pic18f4520 ADC?

This ADC produces a digital value based on the supplied analog voltage, which can then be used with the digital logic of the rest of the PIC. The PIC18F4520 converts analog inputs in the range 0-5V to digital values between 0 and 255 (8-bit resolution). The PIC18F4520 has 13 pins that act as ADCs (shown below).

How many pins are there in the pic18f4520?

PIC18F4520 comes with five ports where each port contains 8 pins except the E port that comes with 4 pins which also include MCLR (master clear pin). This device can be configured using 10 different oscillator modes where different capacitor values are required to generate acceptable oscillator operation.

What is the full form of pdip18f4520?

PIC18F4520 is a PIC microcontroller, introduced Microchip, and mainly used in automation and embedded systems. It comes in three packages known as PDIP, QFN, and TQFP where the first one is 40-pin (mostly used) while other two come with a 44-pin interface.

What is analog to digital conversion (ADC)?

Analog-to-Digital Conversion (ADC) is a useful capability of many PIC microcontrollers. This ADC produces a digital value based on the supplied analog voltage, which can then be used with the digital logic of the rest of the PIC.