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87
XMEGA C3 [DATASHEET]
8492F–AVR–07/2013
33.2.5 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
voltage limits reflect or exceed this specification.
Table 33-36. I/O pin characteristics.
Notes:
1.
The sum of all I
OH for PORTA and PORTB must not exceed 100mA.
The sum of all I
OH for PORTC, PORTD, PORTE must for each port not exceed 200mA.
The sum of all I
OH for pins PF[0-5] on PORTF must not exceed 200mA.
The sum of all I
OL for pins PF[6-7] on PORTF, PORTR and PDI must not exceed 100mA.
2.
The sum of all I
OL for PORTA and PORTB must not exceed 100mA.
The sum of all I
OL for PORTC, PORTD, PORTE must for each port not exceed 200mA.
The sum of all I
OL for pins PF[0-5] on PORTF must not exceed 200mA.
The sum of all I
OL for pins PF[6-7] on PORTF, PORTR and PDI must not exceed 100mA.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
IOH
IOL
I/O pin source/sink current
-15
15
mA
VIH
High level input voltage
VCC = 2.4 - 3.6V
0.7*Vcc
VCC+0.5
V
CC = 1.6 - 2.4V
0.8*V
CC
V
CC+0.5
V
IL
Low level input voltage
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
V
CC = 3.3V
I
OH = -4mA
2.6
2.9
VCC = 3.0V
IOH = -3mA
2.1
2.6
VCC = 1.8V
IOH = -1mA
1.4
1.6
VOL
Low level output voltage
V
CC = 3.3V
I
OL = 8mA
0.4
0.76
VCC = 3.0V
IOL = 5mA
0.3
0.64
VCC = 1.8V
IOL = 3mA
0.2
0.46
I
IN
Input leakage current I/O pin
T = 25°C
<0.01
1.0
A
R
P
Pull/Buss keeper resistor
25
k