mcimx50 Freescale Semiconductor, Inc, mcimx50 Datasheet - Page 27

• Manufacturer Part Number: mcimx50
• Description: I.mx50 Applications Processors For Consumer Products
• Manufacturer: Freescale Semiconductor, Inc

4.3.1
The parameters in
Freescale Semiconductor
High-level output voltage
Low-level output voltage
(1.1-1.3V ovdd)
ovdd)
(1.65-3.1V ovdd)
(1.65-3.1V ovdd)
Low-Level DC input voltage
Input Hysteresis
Schmitt trigger VT+
Schmitt trigger VT-
Pull-up resistor (22 KΩ PU)
Pull-up resistor (47 KΩ PU)
Pull-up resistor (100 KΩ PU)
Pull-down resistor (100 KΩ PD)
Low-level output current (1.1-1.3V
High-level output current
High-level output current
Low-level output current
High-Level DC input voltage
DC Electrical Characteristics
GPIO I/O DC Parameters
The term OVDD in this section refers to the associated supply rail of an
input or output.
2
Table 15
i.MX50 Applications Processors for Consumer Products, Rev. 0
1
are guaranteed per the operating ranges in
Table 15. GPIO DC Electrical Characteristics
Symbol
VHYS
VT+
Rpu
Rpu
Rpu
Rpd
Voh
VIH
VIL
VT-
Vol
Ioh
Ioh
Iol
Iol
I
I
I
I
Iol=specified Drive
Ioh=spec’ed Drive
Test Conditions
Voh=0.8*OVDD
Voh=0.8*OVDD
Vol=0.2*OVDD
Vol=0.2*OVDD
Medium Drive
Medium Drive
Medium Drive
Medium Drive
OVDD=1.875
OVDD=2.775
Vi=OVDD/2
Vi=OVDD/2
Vi=OVDD/2
Vi=OVDD/2
High Drive
High Drive
High Drive
High Drive
Max Drive
Max Drive
Max Drive
Max Drive
Ioh=-1mA
Low Drive
Low Drive
Low Drive
Low Drive
Iol=1mA
NOTE
—
—
—
—
OVDD-0.15
0.8*OVDD
0.7*OVDD
0.5*OVDD
-0.85
0.25
MIN
-1.7
-2.5
-3.4
-2.1
-4.2
-6.3
-8.4
0.9
1.9
2.9
3.8
2.1
4.2
6.3
8.4
0V
20
43
91
91
—
—
Table
9, unless otherwise noted.
0.34
0.45
Typ
108
108
—
—
—
—
—
—
—
—
—
—
24
51
Electrical Characteristics
0.2*OVDD
0.3*OVDD
0.5*OVDD
OVDD
MAX
0.15
125
126
28
59
—
—
—
—
—
—
—
Units
mA
mA
mA
mA
KΩ
KΩ
KΩ
KΩ
V
V
V
V
V
V
V
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