mpc8569e Freescale Semiconductor, Inc, mpc8569e Datasheet - Page 97

• Manufacturer Part Number: mpc8569e
• Description: Mpc8569e Powerquicc Iii Integrated Processor Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

2.13
This section describes the DC and AC electrical characteristics for the GPIO interface.
2.13.1
The following table provides the DC electrical characteristics for the GPIO interface when operating from a 3.3 V supply
For recommended operating conditions, see
2.13.2
The following table provides the GPIO input and output AC timing specifications.
For recommended operating conditions, see
The following figure provides the AC test load for the GPIO.
Freescale Semiconductor
Input high voltage
Input low voltage
Input current (OV
Output high voltage (OV
Output low voltage (OV
Note:
1. The min V
2. The symbol OV
GPIO inputs—minimum pulse width
Notes:
1. GPIO inputs and outputs are asynchronous to any visible clock. GPIO outputs must be synchronized before use by any
external synchronous logic. GPIO inputs are required to be valid for at least t
GPIO
IL
GPIO DC Electrical Characteristics
GPIO AC Timing Specifications
and max V
IN
IN
MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 0
= 0 V or OV
represents the input voltage of the supply. It is referenced in
Parameter
DD
DD
IH
= min, I
= min, I
values are based on the min and max OV
Output
IN
Parameter
Table 58. GPIO DC Electrical Characteristics (3.3 V)
= OV
OL
OH
Table 59. GPIO Input AC Timing Specifications
= 2 mA)
= –2 mA)
DD
Table 3
Table 3
)
Figure 51. GPIO AC Test Load
Z
0
= 50 Ω
Symbol
V
V
V
V
I
OH
IN
OL
IH
IL
IN
respective values found in
Min
2.4
—
—
—
2
R
L
= 50 Ω
PIWID
Symbol
Table
t
PIWID
to ensure proper operation.
3.
Max
±40
0.8
0.4
—
—
OV
DD
/2
Min
20
Table
Unit
μA
V
V
V
V
3.
Unit
ns
Notes
Notes
—
—
1
1
2
1
GPIO
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