PIC24HJ12GP201ESLASHML datasheet(155/234 Pages) MICROCHIP

Part #	PIC24HJ12GP201E/ML

Description	High-Performance, 16-Bit Microcontrollers

PDF	234 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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155 / 234 page

Preliminary

DS70282B-page 153

PIC24HJ12GP201/202

EQUATION 17-1:

ADC CONVERSION CLOCK PERIOD

FIGURE 17-2:

ADC TRANSFER FUNCTION (10-BIT EXAMPLE)

FIGURE 17-3:

ADC CONVERSION CLOCK PERIOD BLOCK DIAGRAM

TAD = TCY(ADCS + 1)

ADCS =

TAD

TCY

– 1

10 0000 0010 (= 514)

10 0000 0011 (= 515)

01 1111 1101 (= 509)

01 1111 1110 (= 510)

01 1111 1111 (= 511)

11 1111 1110 (= 1022)

11 1111 1111 (= 1023)

00 0000 0000 (= 0)

00 0000 0001 (= 1)

Output Code

10 0000 0000 (= 512)

(VINH – VINL)

VREFL

VREFH – VREFL

1024

VREFH

VREFL +

10 0000 0001 (= 513)

512 * (VREFH – VREFL)

1024

VREFL +

1023 * (VREFH – VREFL)

1024

VREFL +

ADC Internal

RC Clock

TOSC(1)

ADC Conversion

Clock Multiplier

1, 2, 3, 4, 5,..., 64

AD1CON3<15>

TCY

TAD

AD1CON3<5:0>

Note:

Refer to Figure 7-2 for the derivation of Fosc when the PLL is enabled. If the PLL is not used, FOSC is equal to

the clock source frequency. TOSC = 1/FOSC.

PIC24HJ12GP201E/ML Datasheet(PDF) 155 Page - Microchip Technology

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