Local Bus Controller (eLBC)
10 Local Bus Controller (eLBC)
This section describes the DC and AC electrical specifications for the local bus interface of the
MPC8572E.
10.1 Local Bus DC Electrical Characteristics
Table 45 provides the DC electrical characteristics for the local bus interface operating at BV = 3.3 V
DD
DC.
Table 45. Local Bus DC Electrical Characteristics (3.3 V DC)
Parameter
Supply voltage 3.3V
Symbol
Min
Max
Unit
BV
3.13
2
3.47
V
V
DD
High-level input voltage
Low-level input voltage
V
BV + 0.3
IH
DD
V
–0.3
—
0.8
±5
V
IL
Input current
I
μA
IN
1
(BV
= 0 V or BV = BV
)
DD
IN
IN
High-level output voltage
(BV = min, I = –2 mA)
V
BV – 0.2
—
V
V
OH
DD
DD
OH
Low-level output voltage
V
—
0.2
OL
(BV = min, I = 2 mA)
DD
OL
Note:
1. Note that the symbol BV , in this case, represents the BV symbol referenced in Table 1.
IN
IN
Table 46 provides the DC electrical characteristics for the local bus interface operating at BV = 2.5 V
DD
DC.
Table 46. Local Bus DC Electrical Characteristics (2.5 V DC)
Parameter
Supply voltage 2.5V
Symbol
Min
Max
Unit
BV
2.37
1.70
–0.3
—
2.63
V
V
DD
High-level input voltage
Low-level input voltage
V
BV + 0.3
IH
DD
V
I
0.7
10
V
IL
Input current
μA
IH
1
(BV
= 0 V or BV = BV
)
DD
IN
IN
I
–15
IL
High-level output voltage
(BV = min, I = –1 mA)
V
2.0
BV + 0.3
V
V
OH
DD
DD
OH
Low-level output voltage
V
GND – 0.3
0.4
OL
(BV = min, I = 1 mA)
DD
OL
Note:
1. The symbol BV , in this case, represents the BV symbol referenced in Table 1.
IN
IN
MPC8572E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 4
Freescale Semiconductor
53
FREESCALE [ Freescale ]
