mpc8569e Freescale Semiconductor, Inc, mpc8569e Datasheet - Page 55

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

2.6.3
This section describes the AC timing specifications for GMII, MII, RMII, SMII, TBI, RGMII, and RTBI.
2.6.3.1
This section describe the GMII transmit and receive AC timing specifications.
2.6.3.1.1
The following table
The following figure shows the GMII transmit AC timing diagram.
Freescale Semiconductor
At recommended operating conditions with LV
For recommended operating conditions, see
Input low current (V
Output high voltage (LV
Output low voltage (LV
Note:
1. The symbol V
2. The min V
GTX_CLK clock period
GMII data TXD[7:0], TX_ER, TX_EN setup time
GTX_CLK to GMII data TXD[7:0], TX_ER, TX_EN delay
GTX_CLK data clock rise time (20%–80%)
GTX_CLK data clock fall time (80%–20%)
IL
GMII, MII, RMII, SMII, TBI, RGMII, and RTBI AC Timing Specifications
and max V
GMII Timing Specifications
IN
GMII Transmit AC Timing Specifications
, in this case, represents the LV
GTX_CLK
IN
MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 0
TXD[7:0]
provides the GMII transmit AC timing specifications.
TX_EN
TX_ER
= GND)
Parameter
DD
Parameter
Table 24. RGMII and RTBI DC Electrical Characteristics (continued)
DD
IH
= min, I
= min, I
values are based on the respective min and max LV
OL
Table 25. GMII Transmit AC Timing Specifications
OH
= 1.0 mA)
Figure 12. GMII Transmit AC Timing Diagram
= –1.0 mA)
t
Table 3
GTXH
t
DD
GTKHDV
= 2.5 V
t
GTX
IN
symbols referenced in
Symbol
Symbol
t
V
V
t
GTKHDV
GTKHDX
I
t
t
OH
IL
OL
t
GTXR
GTXF
GTX
t
GTXF
t
GTKHDX
GND – 0.3
Table 2
Min
7.5
2.5
0.5
—
—
2.00
Min
–15
t
IN
GTXR
values found in
and
Typ
1.0
1.0
Table
—
—
—
LV
3.
DD
Max
0.40
—
+ 0.3
Max
Table
8.5
—
—
—
—
3.
Ethernet Interface
Unit
Unit
μA
ns
ns
ns
ns
ns
V
V
Note
Note
1, 2
—
—
—
—
—
—
—
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