mpc8544e Freescale Semiconductor, Inc, mpc8544e Datasheet - Page 61

• Manufacturer Part Number: mpc8544e
• Description: Mpc8544e Powerquicc Iii Integrated Processor
• Manufacturer: Freescale Semiconductor, Inc

14.2
Table 54
Figure 40
15 PCI
This section describes the DC and AC electrical specifications for the PCI bus of the MPC8544E.
15.1
Table 55
Freescale Semiconductor
GPIO inputs—minimum pulse width
Note:
1. GPIO inputs and outputs are asynchronous to any visible clock. GPIO outputs should be synchronized before use by any
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
external synchronous logic. GPIO inputs are required to be valid for at least t
provides the GPIO input and output AC timing specifications.
provides the DC electrical characteristics for the PCI interface.
GPIO AC Electrical Specifications
PCI DC Electrical Characteristics
provides the AC test load for the GPIO.
IN
= 0 V or V
MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 4
Parameter
IN
, in this case, represents the OV
Output
IN
DD
DD
= V
Parameter
= min, I
= min, I
DD
Table 54. GPIO Input AC Timing Specifications
Table 55. PCI DC Electrical Characteristics
)
Preliminary—Subject to Change Without Notice
OL
OH
= 2 mA)
= –2mA)
Figure 40. GPIO AC Test Load
Freescale Confidential Proprietary
Z
0
= 50 Ω
IN
Symbol
symbol referenced in
V
V
V
V
I
IN
OH
OL
IH
IL
R
L
–0.3
Min
2.4
= 50 Ω
—
—
PIWID
2
Symbol
t
PIWID
Table 1
ns to ensure proper operation.
1
OV
OV
and
DD
DD
Max
0.8
0.4
±5
—
Table
/2
Typ
20
+ 0.3
2.
Unit
Unit
μA
ns
V
V
V
V
Notes
Notes
—
—
—
—
1
2
PCI
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