Datasheet

87
XMEGA D4 [DATASHEET]
8135P–AVR–01/2014
32.2.5 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 32-35. 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
I
OH
(1)
/
I
OL
(2)
I/O pin source/sink current -20 20 mA
V
IH
High level input voltage
V
CC
= 2.4 - 3.6V 0.7*Vcc V
CC
+0.5
V
V
CC
= 1.6 - 2.4V 0.8*V
CC
V
CC
+0.5
V
IL
Low level input voltage
V
CC
= 2.4- 3.6V -0.5 0.3*V
CC
V
CC
= 1.6 - 2.4V -0.5 0.2*V
CC
V
OH
High level output voltage
V
CC
= 3.3V I
OH
= -4mA 2.6 2.9
V
CC
= 3.0V I
OH
= -3mA 2.1 2.7
V
CC
= 1.8V I
OH
= -1mA 1.4 1.6
V
OL
Low level output voltage
V
CC
= 3.3V I
OL
= 8mA 0.4 0.76
V
CC
= 3.0V I
OL
= 5mA 0.3 0.64
V
CC
= 1.8V I
OL
= 3mA 0.2 0.46
I
IN
Input leakage current I/O pin T = 25°C <0.01 1 µA
R
P
Pull/buss keeper resistor 25 k