Datasheet

54
9166DS–AVR-01/12
AT32UC3C
7.5 I/O Pin Characteristics
Table 7-6. Normal I/O Pin Characteristics
(1)
Symbol Parameter Condition Min Typ Max Units
R
PULLUP
Pull-up resistance
V
VDD
= 3V 5 26 kOhm
V
VDD
= 5V 5 16 kOhm
R
PULLDOWN
Pull-down resistance 2 16 kOhm
V
IL
Input low-level
voltage
V
VDD
= 3V 0.3*V
VDDIO
V
V
VDD
= 4.5V 0.3*V
VDDIO
V
IH
Input high-level
voltage
V
VDD
= 3.6V 0.7*V
VDDIO
V
V
VDD
= 5.5V 0.7*V
VDDIO
V
OL
Output low-level
voltage
I
OL
= -3.5mA, pin drive x1
(2)
0.5 VI
OL
= -7mA, pin drive x2
(2)
I
OL
= -14mA, pin drive x4
(2)
V
OH
Output high-level
voltage
I
OH
= 3.5mA, pin drive x1
(2)
V
VDD
- 0.8 VI
OH
= 7mA, pin drive x2
(2)
I
OH
= 14mA, pin drive x4
(2)
f
MAX
Output frequency
(3)
V
VDD
= 3.0V
load = 10pF, pin drive x1
(2)
30
MHz
load = 10pF, pin drive x2
(2)
50
load = 10pF, pin drive x4
(2)
60
load = 30pF, pin drive x1
(2)
15
load = 30pF, pin drive x2
(2)
25
load = 30pF, pin drive x4
(2)
40
V
VDD
=4.5V
load = 10pF, pin drive x1
(2)
45
load = 10pF, pin drive x2
(2)
65
load = 10pF, pin drive x4
(2)
85
load = 30pF, pin drive x1
(2)
20
load = 30pF, pin drive x2
(2)
40
load = 30pF, pin drive x4
(2)
60