mpc8560vt667jb Freescale Semiconductor, Inc, mpc8560vt667jb Datasheet - Page 26

• Manufacturer Part Number: mpc8560vt667jb
• Description: Mpc8560 Powerquicc Iii Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

Ethernet: Three-Speed, MII Management
Figure 8
Figure 9
26
At recommended operating conditions with LV
RX_CLK clock rise and fall time
Note:
1.The symbols used for timing specifications herein follow the pattern of t
2.Signal timings are measured at 0.7 V and 1.9 V voltage levels.
3.Guaranteed by design.
(reference)(state)
symbolizes GMII receive timing (GR) with respect to the time data input signals (D) reaching the valid state (V) relative
to the t
(GR) with respect to the time data input signals (D) went invalid (X) relative to the t
the low (L) state or hold time. Note that, in general, the clock reference symbol representation is based on three letters
representing the clock of a particular functional. For example, the subscript of t
(RX) clock. For rise and fall times, the latter convention is used with the appropriate letter: R (rise) or F (fall).
provides the AC test load for TSEC.
shows the GMII receive AC timing diagram.
RX
clock reference (K) going to the high state (H) or setup time. Also, t
RXD[7:0]
RX_CLK
Parameter/Condition
RX_DV
RX_ER
for inputs and t
Table 22. GMII Receive AC Timing Specifications (continued)
Output
MPC8560 Integrated Processor Hardware Specifications, Rev. 4.2
(first two letters of functional block)(reference)(state)(signal)(state)
Figure 9. GMII Receive AC Timing Diagram
t
t
GRXH
GRDVKH
DD
of 3.3 V ± 5%, or LV
Figure 8. TSEC AC Test Load
t
GRX
Z
0
= 50 Ω
t
GRXR
DD
=2.5V ± 5%.
Symbol
t
GRXF
, t
GRXF
t
GRDXKH
1
2,3
(first two letters of functional block)(signal)(state)
R
L
t
GRXR
= 50 Ω
Min
—
GRDXKL
GRX
for outputs. For example, t
GRX
represents the GMII (G) receive
LV
symbolizes GMII receive timing
Typ
DD
—
clock reference (K) going to
/2
Freescale Semiconductor
Max
1.0
GRDVKH
Unit
ns