PIC32MX150F256HT-I/PT View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC32MX150F256HT-I/PT

32-bit Microcontrollers (up to 512 KB Flash and 64 KB SRAM) with Audio/Graphics/Touch (HMI), CAN, USB, and Advanced Analog

Microchip Technology 

PIC32MX1XX/2XX/5XX 64/100-PIN FAMILY

22.0 10-BIT ANALOG-TO-DIGITAL

CONVERTER (ADC)

Note:

This data sheet summarizes the features

of the PIC32MX1XX/2XX/5XX 64/100-pin

family of devices. It is not intended to be

a comprehensive reference source. To

complement the information in this data

sheet, refer to Section 17. “10-bit

Analog-to-Digital Converter (ADC)”

(DS60001104) in the “PIC32 Family

Reference Manual”, which is available

from the Microchip web site

(www.microchip.com/PIC32).

The 10-bit Analog-to-Digital Converter (ADC) includes

the following features:

• Successive Approximation Register (SAR)

conversion

• Up to 1 Msps conversion speed

• Up to 48 analog input pins

• External voltage reference input pins

• One unipolar, differential Sample and Hold

Amplifier (SHA)

• Automatic Channel Scan mode

• Selectable conversion trigger source

• 16-word conversion result buffer

• Selectable buffer fill modes

• Eight conversion result format options

• Operation during CPU Sleep and Idle modes

A block diagram of the 10-bit ADC is illustrated in

Figure 22-1. The 10-bit ADC has up to 28 analog input

pins, designated AN0-AN27. In addition, there are two

analog input pins for external voltage reference

connections. These voltage reference inputs may be

shared with other analog input pins and may be

common to other analog module references.

FIGURE 22-1:

ADC1 MODULE BLOCK DIAGRAM

CTMUI(3)

AN0

VREF+(1) AVDD VREF-(1) AVSS

AN47

IVREF(3)

CTMUT(2)

Open(4)

Channel

Scan

+

CH0SA<5:0>

CH0SB<5:0>

-

CSCNA

AN1

VREFL

S&H

VCFG<2:0>

VREFH

VREFL

SAR ADC

ADC1BUF0

ADC1BUF1

ADC1BUF2

ADC1BUFE

ADC1BUFF

CH0NA CH0NB

Alternate

Input Selection

ALTS (AD1CON2<0>)

Note 1:

2:

3:

4:

VREF+ and VREF- inputs can be multiplexed with other analog inputs.

Connected to the CTMU temperature reference diode. See Section 26.0 “Charge Time Measurement Unit

(CTMU)” for more information.

Internal precision 1.2V reference. See Section 24.0 “Comparator” for more information.

This selection is only used with CTMU capacitive and time measurement.

 2014-2017 Microchip Technology Inc.

DS60001290E-page 231

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