mpc8536e Freescale Semiconductor, Inc, mpc8536e Datasheet - Page 89

• Manufacturer Part Number: mpc8536e
• Description: Mpc8536e Powerquicctm Iii Integrated Processor Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

2.18.2
Table 66
Figure 53
2.19
This section describes the DC and AC electrical specifications for the PCI bus of the MPC8536E.
2.19.1
Table 67
Freescale Semiconductor
GPIO inputs—minimum pulse width
GPIO outputs—minimum pulse width
Notes:
1. Input specifications are measured from the 50% level of the signal to the 50% level of the rising edge of CLKIN. Timings
2. GPIO inputs and outputs are asynchronous to any visible clock. GPIO outputs should be synchronized before use by any
3. The minimum pulse width is a function of the MPX/Platform clock. The minimum pulse width must be greater than or equal
are measured at the pin.
external synchronous logic. GPIO inputs are required to be valid for at least t
to 4 times the MPX/Platform clock period.
High-level input voltage
Low-level input voltage
Input current
(V
High-level output voltage
(OV
Low-level output voltage
(OV
Notes:
1. Ranges listed do not meet the full range of the DC specifications of the PCI 2.2 Local Bus Specifications .
2. Note that the symbol V
IN
DD
DD
provides the GPIO input and output AC timing specifications.
provides the DC electrical characteristics for the PCI interface.
2
provides the AC test load for the GPIO.
= 0 V or V
PCI
= min, I
= min, I
GPIO AC Electrical Specifications
PCI DC Electrical Characteristics
MPC8536E PowerQUICC™ III Integrated Processor Hardware Specifications, Rev. 2
OH
OL
IN
Parameter
= 2 mA)
= –2 mA)
= V
DD
Output
Table 66. GPIO Input and Output AC Timing Specifications
Characteristic
)
IN
, in this case, represents the OV
Table 67. PCI DC Electrical Characteristics
Figure 53. GPIO AC Test Load
Z
0
= 50 Ω
Symbol
V
V
V
V
I
IN
OH
OL
IH
IL
IN
symbol referenced in
Symbol
–0.3
Min
t
2.4
—
—
GTOWID
t
2
R
PIWID
L
= 50 Ω
PIWID
2
ns to ensure proper operation.
Table 1
1
OV
OV
DD
Min
Max
7.5
12
0.8
0.4
±5
—
DD
+ 0.3
and
/2
1
Table
Unit
2.
ns
ns
Unit
μA
V
V
V
V
Notes
—
3
PCI
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