PIC16C711-20ISS データシートの表示（PDF） - Microchip Technology

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PIC16C711-20ISS

8-Bit CMOS Microcontrollers with A/D Converter

Microchip Technology 

PIC16C71X

Applicable Devices 710 71 711 715

FIGURE 13-7: A/D CONVERSION TIMING

BSF ADCON0, GO

Q4

A/D CLK 132

A/D DATA

ADRES

ADIF

GO

SAMPLE

(TOSC/2) (1)

1 Tcy

131

130

7

6

5

4

3

2

1

0

OLD_DATA

NEW_DATA

SAMPLING STOPPED

DONE

Note 1: If the A/D clock source is selected as RC, a time of TCY is added before the A/D clock starts. This allows the

SLEEP instruction to be executed.

TABLE 13-8: A/D CONVERSION REQUIREMENTS

Parameter Sym Characteristic

No.

Min

Typ†

Max Units

Conditions

130

TAD A/D clock period

1.6

2.0

—

µs VREF ≥ 3.0V

—

µs VREF full range

130

TAD A/D Internal RC

Oscillator source

ADCS1:ADCS0 = 11

(RC oscillator source)

3.0

6.0

9.0

µs PIC16LC715, VDD = 3.0V

2.0

4.0

6.0

µs PIC16C715

131

TCNV Conversion time

—

(not including S/H

time). Note 1

9.5TAD

—

—

132

TACQ Acquisition time

Note 2

20

—

µs

*

†

Note 1:

These parameters are characterized but not tested.

Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not

tested.

ADRES register may be read on the following TCY cycle.

DS30272A-page 124

© 1997 Microchip Technology Inc.

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