Datasheet

47
32099IS–01/2012
AT32UC3L016/32/64
7.5 I/O Pin Characteristics
Notes: 1. V
VDD
corresponds to either V
VDDIN
or V
VDDIO
, depending on the supply for the pin. Refer to Section 3.2 on page 9 for details.
2. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
cess technology. These values are not covered by test limits in production.
Table 7-7. Normal I/O Pin Characteristics
(1)
Symbol Parameter Condition Min Typ Max Units
R
PULLUP
Pull-up resistance 75 100 145 kOhm
V
IL
Input low-level voltage
V
VDD
= 3.0V -0.3 0.3*V
VDD
V
V
VDD
= 1.62V -0.3 0.3*V
VDD
V
IH
Input high-level voltage
V
VDD
= 3.6V 0.7*V
VDD
V
VDD
+ 0.3
V
V
VDD
= 1.98V 0.7*V
VDD
V
VDD
+ 0.3
V
OL
Output low-level voltage
V
VDD
= 3.0V, I
OL
= 3mA 0.4
V
V
VDD
= 1.62V, I
OL
= 2mA 0.4
V
OH
Output high-level voltage
V
VDD
= 3.0V, I
OH
= 3mA V
VDD
- 0.4
V
V
VDD
= 1.62V, I
OH
= 2mA V
VDD
- 0.4
f
MAX
Output frequency
(2)
V
VDD
= 3.0V, load = 10pF 45
MHz
V
VDD
= 3.0V, load = 30pF 23
t
RISE
Rise time
(2)
V
VDD
= 3.0V, load = 10pF 4.7
ns
V
VDD
= 3.0V, load = 30pF 11.5
t
FALL
Fall time
(2)
V
VDD
= 3.0V, load = 10pF 4.8
V
VDD
= 3.0V, load = 30pF 12
I
LEAK
Input leakage current Pull-up resistors disabled 1 µA
C
IN
Input capacitance, all
normal I/O pins except
PA05, PA0 7 , PA 1 7 , PA 2 0 ,
PA21, PB04, PB05
TQFP48 package 1.4
pF
QFN48 package 1.1
TLLGA 48 package 1.1
C
IN
Input capacitance, PA20
TQFP48 package 2.7
QFN48 package 2.4
TLLGA 48 package 2.4
C
IN
Input capacitance, PA05,
PA07, PA17, PA21, PB04,
PB05
TQFP48 package 3.8
QFN48 package 3.5
TLLGA 48 package 3.5
Table 7-8. High-drive I/O Pin Characteristics
(1)
Symbol Parameter Condition Min Typ Max Units
R
PULLUP
Pull-up resistance
PA06 30 50 110
kOhmPA02, PB01, RESET 75 100 145
PA08, PA09 10 20 45