mpc8555e Freescale Semiconductor, Inc, mpc8555e Datasheet - Page 21

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

Figure 6
7
This section describes the DC and AC electrical specifications for the DUART interface of the
MPC8555E.
7.1
Table 16
Freescale Semiconductor
High-level input voltage
Low-level input voltage
Input current
High-level output voltage
Low-level output voltage
Note:
1. Note that the symbol V
DUART
MPC8555E PowerQUICC™ III Integrated Communications Processor Hardware Specification, Rev. 4.2
provides the AC test load for the DDR bus.
provides the DC electrical characteristics for the DUART interface of the MPC8555E.
DUART DC Electrical Characteristics
Parameter
IN
V
V
Notes:
1. Data input threshold measurement point.
2. Data output measurement point.
Output
, in this case, represents the OV
OUT
TH
Symbol
Table 15. DDR SDRAM Measurement Conditions
Table 16. DUART DC Electrical Characteristics
Symbol
V
V
V
V
I
IN
OH
OL
IH
IL
Figure 6. DDR AC Test Load
Z
0
MV
= 50 Ω
OV
V
0.5 × GV
REF
IN
V
DD
V
OUT
DDR
1
Test Condition
OUT
I
= min, I
= 0 V or V
OH
± 0.31 V
OV
IN
≥ V
symbol referenced in
≤ V
DD
= –100 μA
DD
OH
OL
= min,
OL
(min) or
(max)
IN
= 100 μA
= V
DD
R
Unit
L
V
V
= 50 Ω
OV
Table 1
DD
–0.3
Min
—
—
2
– 0.2
Notes
GV
and
1
2
DD
Table
/2
OV
DD
Max
2.
0.8
0.2
±5
—
+ 0.3
Unit
μA
V
V
V
V
DUART
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