MEC1322 datasheet(394/456 Pages) MICROCHIP

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MEC1322

DS00001719D-page 394

 2014 - 2015 Microchip Technology Inc.

37.2.4.1

Pin Leakage

Leakage characteristics for all pins is shown in the following table:

37.2.4.2

Backdrive Protection

All signal pins are Backdrive Protected except those listed in the Pin Configuration chapter as non-backdrive protected.

37.2.5

ADC ELECTRICAL CHARACTERISTICS

Crystal oscillator

XTAL1 (OCLK)

The MEC1322 crystal oscillator design requires a 32.768 KHz parallel resonant crystal with

load caps in the range 4-18pF. Refer to “Application Note PCB Layout Guide for MEC1322”

for more information.

XTAL2 (ICLK)

Low Input Level

High Input Level

VILI

VILH

2.0

0.4

VIN = 0 to VCC1

TABLE 37-5:

PIN LEAKAGE

(TA = 0oC to +85oC)

Parameter

Symbol

MIN

TYP

MAX

Units

Comments

Leakage Current

IIL

+/-2

µA

VIN=0V to VCC1

TABLE 37-6:

BACKDRIVE PROTECTION

(TA = 0oC to +85oC)

Parameter

Symbol

MIN

TYP

MAX

Units

Comments

Input Leakage

IIL

-2

µA

VIN=3.47V@VCC1=0V

TABLE 37-7:

ADC CHARACTERISTICS

Parameter

MIN

TYP

MAX

Units

Analog Supply Voltage, AVCC

3.135

3.3

3.465

Resolution

–

Bits

Accuracy

–

LSB

Differential Non Linearity, DNL

-1

–

LSB

Integral Non Linearity, INL

-1.5

–

+1.5

LSB

Gain Error, EGAIN

-2

–

LSB

Offset Error, EOFFSET

-2

–

LSB

Conversion Time

–

μs/channel

Input Impedance

–

Note:

The AVCC power supply accuracy is shown as 3.3V +/- 5%.

TABLE 37-4:

DC ELECTRICAL CHARACTERISTICS (CONTINUED)

Parameter

Symbol

MIN

TYP

MAX

Units

Comments

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