ATXMEGA8E5 datasheet(83/153 Pages) MICROCHIP

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Data Sheet Complete

DS40002059A-page 83

ATxmega32E5/16E5/8E5

36.5 I/O Pin Characteristics

The I/O pins complies with the JEDEC LVTTL and LVCMOS specification and the high- and low-level input and output volt-

age limits reflect or exceed this specification.

Table 36-6. I/O Pin Characteristics

Notes:

The sum of all IOH for PA[7:5] on PORTA must not exceed 100mA.

The sum of all IOH for PA[4:0] on PORTA must not exceed 200mA.

The sum of all IOH for PORTD and PORTR must not exceed 100mA.

The sum of all IOH for PORTC and PDI must not exceed 100mA.

The sum of all IOL for PA[7:5] on PORTA must not exceed 100mA.

The sum of all IOL for PA[4:0] on PORTA must not exceed 100mA.

The sum of all IOL for PORTD and PORTR must not exceed 100mA.

The sum of all IOL for PORTC PDI must not exceed 100mA.

36.6 ADC Characteristics

Table 36-7. Power Supply, Reference, and Input Range

Symbol

Parameter

Condition

Min.

Typ.

Max.

Units

IOH (1)/

IOL (2)

I/O pin source/sink current

-15

VIH

High level input voltage,

except XTAL1 and RESET pin

VCC = 2.4 - 3.6V

0.7*VCC

VCC+0.5

VCC = 1.6 - 2.4V

0.8*VCC

VCC+0.5

VIL

Low level input voltage,

except XTAL1 and RESET pin

VCC = 2.4 - 3.6V

-0.5

0.3*VCC

VCC = 1.6 - 2.4V

-0.5

0.2*VCC

VOH

High level output voltage

VCC = 3.3V

IOH = -4mA

2.6

3.1

VCC = 3.0V

IOH = -3mA

2.1

2.7

VCC = 1.8V

IOH = -1mA

1.4

1.7

VOL

Low level output voltage

VCC = 3.3V

IOL = 8mA

0.20

0.76

VCC = 3.0V

IOL = 5mA

0.15

0.64

VCC = 1.8V

IOL = 3mA

0.10

0.46

IIN

Input leakage current

T = 25°C

<0.01

1.0

µA

Pull/buss keeper resistor



Symbol

Parameter

Condition

Min.

Typ.

Max.

Units

AVCC

Analog supply voltage

VCC- 0.3

VCC+ 0.3

VREF

Reference voltage

AVCC- 0.6

Rin

Input resistance

Switched

4.5



Cin

Input capacitance

Switched

RAREF

Reference input resistance

(leakage only)

>10



CAREF

Reference input capacitance

Static load

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