GPIO
Table 56
provides the DC electrical characteristics for the GPIO interface operating at BV
DD
= 2.5 V DC.
Table 56. GPIO DC Electrical Characteristics (2.5 V DC)
Parameter
Supply voltage 2.5V
High-level input voltage
Low-level input voltage
Input current
(BV
IN 1
= 0 V or BV
IN
= BV
DD
)
High-level output voltage
(BV
DD
= min, I
OH
= –1 mA)
Low-level output voltage
(BV
DD
min, I
OL
= 1 mA)
Symbol
BV
DD
V
IH
V
IL
I
IH
I
IL
V
OH
V
OL
2.0
GND – 0.3
Min
2.37
1.70
–0.3
—
Max
2.63
BV
DD
+ 0.3
0.7
10
–15
BV
DD
+ 0.3
0.4
V
V
Unit
V
V
V
μA
Note:
1. The symbol BV
IN
, in this case, represents the BV
IN
symbol referenced in
Table 1.
Table 57
provides the DC electrical characteristics for the GPIO interface operating at BV
DD
= 1.8 V DC.
Table 57. GPIO DC Electrical Characteristics (1.8 V DC)
Parameter
Supply voltage 1.8V
High-level input voltage
Low-level input voltage
Input current
(BV
IN 1
= 0 V or BV
IN
= BV
DD
)
High-level output voltage
(I
OH
= –100
μA)
High-level output voltage
(I
OH
= –2 mA)
Low-level output voltage
(I
OL
= 100
μA)
Low-level output voltage
(I
OL
= 2 mA)
Symbol
BV
DD
V
IH
V
IL
I
IN
V
OH
V
OH
V
OL
V
OL
Min
1.71
0.65 x BV
DD
–0.3
TBD
BV
DD
– 0.2
BV
DD
– 0.45
—
—
Max
1.89
BV
DD
+ 0.3
0.35 x BV
DD
TBD
—
—
0.2
0.45
Unit
V
V
V
μA
V
V
V
V
Note:
1. The symbol BV
IN
, in this case, represents the BV
IN
symbol referenced in
Table 1.
MPC8572E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 4
70
Freescale Semiconductor
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
