mpc8569e Freescale Semiconductor, Inc, mpc8569e Datasheet - Page 60

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

For recommended operating conditions, see
Ethernet Interface
The following figure provides the AC test load.
The following figure shows the RMII receive AC timing diagram.
2.6.3.5
This section describes the TBI transmit and receive AC timing specifications.
60
Fall time REF_CLK (80%–20%)
RXD[1:0], CRS_DV, RX_ER setup time to REF_CLK rising
edge
RXD[1:0], CRS_DV, RX_ER hold time to REF_CLK rising edge
Note:
1. System/board must be designed to ensure the input requirement to the device is achieved. Proper device operation is
guaranteed for inputs meeting this requirement by design, simulation, characterization, or functional testing.
TBI AC Timing Specifications
REF_CLK
RXD[1:0]
CRS_DV
MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 0
RX_ER
Parameter
Table 31. RMII Receive AC Timing Specifications (continued)
Output
Figure 21. RMII Receive AC Timing Diagram
t
RMRDVKH
t
Table 3
RMRH
t
RMR
Figure 20. AC Test Load
Z
0
= 50 Ω
Valid Data
Symbol
t
t
t
RMRF
t
RMRDV
RMRDX
RMRF
R
t
L
RMRKHDX
Min
t
1.0
4.0
2.0
= 50 Ω
RMRR
Typ
—
—
—
LV
DD
/2
Max
4.0
—
—
Freescale Semiconductor
Unit
ns
ns
ns
Note
—
—
1