mcimx27- Freescale Semiconductor, Inc, mcimx27- Datasheet - Page 44

• Manufacturer Part Number: mcimx27-
• Description: Multimedia Applications Processor
• Manufacturer: Freescale Semiconductor, Inc

Signal Descriptions
3.5
This section contains the i.MX27/iMX27L electrical information including timing specifications, arranged
in alphabetical order by module name.
3.5.1
3.5.1.1
The over-operating characteristics appear in
Rate) pads (unless otherwise noted).
44
High-level output voltage
Low-level output voltage
High-level output current, slow slew rate
High-level output current, fast slew rate
Low-level output current, slow slew rate
Low-level output current, fast slew rate
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)
Input current (no PU/PD)
Module-Level Electrical Specifications
Pads IO (PADIO) Electricals
Parameter
DC Electrical Characteristics
Table 12. GPIO Pads DC Electrical Parameters
Preliminary—Subject to Change Without Notice
i.MX27 and i.MX27L Data Sheet, Rev. 1.2
Symbol
I
I
I
I
V
V
V
OH_S
OH_F
R
R
R
R
V
OL_S
OL_F
V
I
HYS
T
OH
IN
OL
T
PU
PU
PU
PD
+
-
Table 12
I
I
OH
OL
Hysteresis enabled
Hysteresis enabled
Hysteresis enabled
Test Conditions
V
V
V
V
OH
OH
= specified Drive
= specified Drive
OL
OL
I
OH
I
Max High
Max High
Max High
Max High
V
OL
Normal
Normal
Normal
Normal
= 0.8*N
= 0.8*N
= 0.2*N
= 0.2*N
I
V
High
High
High
High
= N
for GPIO pads and
= -1 mA
= 1 mA
I
= 0
VDD
VDD
VDD
VDD
VDD
1
1
1
1
N
0.8*N
0.5*Q
VDD
0.25
Min
–2
–4
–8
–4
–6
–8
15
30
34
25
—
—
2
4
8
4
6
8
-0.15
VDD
VDD
Table 13
Typical
0.33
100
100
22
47
—
—
—
—
for DDR (Double Data
Freescale Semiconductor
0.2*N
0.5*Q
0.15
Max
128
268
343
59
±1
—
—
VDD
VDD
Units
mA
mA
mA
mA
kΩ
μA
V
V
V
V
V
V
V