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