MPC8358E_11 FREESCALE [Freescale Semiconductor, Inc], MPC8358E_11 Datasheet - Page 33

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MPC8358E_11

Manufacturer Part Number
MPC8358E_11
Description
PowerQUICC II Pro Processor Revision 2.1 PBGA Silicon
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
Figure 16
8.2.4
This section describes the TBI transmit and receive AC timing specifications.
8.2.4.1
Table 32
Freescale Semiconductor
At recommended operating conditions with LV
GTX_CLK clock period
GTX_CLK duty cycle
GTX_CLK to TBI data TCG[9:0] delay
GTX_CLK clock rise time, (20% to 80%)
GTX_CLK clock fall time, (80% to 20%)
GTX_CLK125 reference clock period
GTX_CLK125 reference clock duty cycle
Notes:
1. The symbols used for timing specifications follow the pattern of t
2. This symbol is used to represent the external GTX_CLK125 and does not follow the original symbol naming convention.
inputs and t
transmit timing (TT) with respect to the time from t
state (V) or setup time. Also, t
(H) until the referenced data signals (D) reach the invalid state (X) 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
letter: R (rise) or F (fall).
TTX
MPC8358E PowerQUICC II Pro Processor Revision 2.1 PBGA Silicon Hardware Specifications, Rev. 3
represents the TBI (T) transmit (TX) clock. For rise and fall times, the latter convention is used with the appropriate
provides the TBI transmit AC timing specifications.
shows the RMII receive AC timing diagram.
TBI AC Timing Specifications
(first two letters of functional block)(reference)(state)(signal)(state)
Parameter/Condition
TBI Transmit AC Timing Specifications
REF_CLK
RXD[1:0]
CRS_DV
RX_ER
TTKHDX
Table 32. TBI Transmit AC Timing Specifications
Figure 16. RMII Receive AC Timing Diagram
t
RMRDVKH
t
RMXH
symbolizes the TBI transmit timing (TT) with respect to the time from t
DD
/OV
t
DD
RMX
of 3.3 V ± 10%.
TTX
t
(K) going high (H) until the referenced data signals (D) reach the valid
G125H
Valid Data
t
Symbol
TTXH
t
t
TTKHDX
TTKHDV
t
t
t
t
TTXR
TTXF
G125
TTX
/t
/t
TTX
G125
UCC Ethernet Controller: Three-Speed Ethernet, MII Management
t
RMXF
1
(first two letters of functional block)(signal)(state )(reference)(state)
for outputs. For example, t
Min
0.9
40
45
t
RMRDXKH
t
RMXR
Typ
8.0
8.0
TTKHDV
Max
5.0
1.0
1.0
60
55
symbolizes the TBI
TTX
Unit
(K) going high
ns
ns
ns
ns
ns
ns
%
Notes
for
2
33

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