mpc8555e Freescale Semiconductor, Inc, mpc8555e Datasheet - Page 43

• Manufacturer Part Number: mpc8555e
• Description: Mpc8555e Powerquicc Iii Processor With Integrated Security
• Manufacturer: Freescale Semiconductor, Inc

10 CPM
This section describes the DC and AC electrical specifications for the CPM of the MPC8555E.
10.1
Table 32
10.2
Table 33
Freescale Semiconductor
Input high voltage
Input low voltage
Output high voltage
Output low voltage
Output high voltage
Output low voltage
Note:
1. This specification applies to the following pins: PA[0–31], PB[4–31], PC[0–31], and PD[4–31].
2. V
FCC inputs—internal clock (NMSI) input setup time
FCC inputs—internal clock (NMSI) hold time
FCC inputs—external clock (NMSI) input setup time
FCC inputs—external clock (NMSI) hold time
SCC/SMC/SPI inputs—internal clock (NMSI) input setup time
SCC/SMC/SPI inputs—internal clock (NMSI) input hold time
SCC/SMC/SPI inputs—external clock (NMSI) input setup time
SCC/SMC/SPI inputs—external clock (NMSI) input hold time
TDM inputs/SI—input setup time
IL
(max) for the IIC interface is 0.8 V rather than the 1.5 V specified in the IIC standard
MPC8555E PowerQUICC™ III Integrated Communications Processor Hardware Specification, Rev. 4.2
provides the DC electrical characteristics for the CPM.
and
CPM DC Electrical Characteristics
CPM AC Timing Specifications
Characteristic
Table 34
It is recommended that the rise/fall time on CPM input pins should not
exceed 5 ns. This should be enforced especially on clock signals. Rise time
refers to signal transitions from 10% to 90% of VCC; fall time refers to
transitions from 90% to 10% of VCC.
provide the CPM input and output AC timing specifications, respectively.
Table 33. CPM Input AC Timing Specifications
Characteristic
Table 32. CPM DC Electrical Characteristics
NOTE: Rise/Fall Time on CPM Input Pins
Symbol
V
V
V
V
V
V
OH
OH
OL
OL
IH
IL
I
I
OH
OH
I
I
OL
OL
Condition
= –8.0 mA
= –2.0 mA
= 3.2 mA
= 8.0 mA
GND
Min
2.0
2.4
2.4
—
—
Symbol
1
t
FEIXKH
t
t
t
t
t
t
t
t
NEIVKH
NEIXKH
FEIVKH
TDIVKH
FIIVKH
FIIXKH
NIIVKH
NIIXKH
3.465
b
Max
2
0.8
0.5
0.4
—
—
Min
2.5
6
0
2
6
0
4
2
4
Unit
3
V
V
V
V
V
V
Notes
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
1, 2
1
1
1
1
1
CPM
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