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