mpc8569e Freescale Semiconductor, Inc, mpc8569e Datasheet - Page 53

• Manufacturer Part Number: mpc8569e
• Description: Mpc8569e Powerquicc Iii Integrated Processor Hardware Specifications
• Manufacturer: Freescale Semiconductor, Inc

For recommended operating conditions, see
The following figure provides the AC test load for the DDR2 and DDR3 controller bus.
2.5
This section describes the DC and AC electrical specifications for the DUART interface of the MPC8569E.
2.5.1
The following table provides the DC electrical characteristics for the DUART interface.
2.5.2
The following table provides the AC timing parameters for the DUART interface.
For recommended operating conditions, see
Freescale Semiconductor
Input high voltage
Input low voltage
Input current (OV
Output high voltage (OV
Output low voltage (OV
Note:
1. The min V
2. The symbol OV
Minimum baud rate
Maximum baud rate
Oversample rate
Notes:
1. f
2. The actual attainable baud rate is limited by the latency of interrupt processing.
3. The middle of a start bit is detected as the 8
sampled each 16
CCB
refers to the internal platform clock.
DUART
IL
DUART DC Electrical Characteristics
and max V
DUART AC Electrical Specifications
IN
IN
= 0 V or OV
th
MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 0
represents the input voltage of the supply. It is referenced in
sample.
Parameter
DD
DD
IH
Parameter
= min, I
= mn, I
values are based on the min and max OV
Output
Figure 11. DDR2 and DDR3 Controller Bus AC Test Load
IN
= OV
OL
OH
Table 21. DUART DC Electrical Characteristics
= 2 mA)
= –2 mA)
Table 22. DUART AC Timing Specifications
DD
Table 3
Table 3
)
th
sampled 0 after the 1-to-0 transition of the start bit. Subsequent bit values are
Z
0
= 50 Ω
Symbol
V
V
V
V
I
IN
OH
OL
IH
IL
f
CCB
IN
f
CCB
/1,048,576
Value
respective values found in
16
/16
R
Min
L
2.4
—
—
—
2
= 50 Ω
Table
3.
GV
Max
±40
0.8
0.4
—
—
baud
baud
Unit
DD
—
/2
Table
3.
Unit
μA
V
V
V
V
Notes
1, 2
3
1
Notes
DUART
—
—
1
1
2
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