MPC8544COMEDEV Freescale Semiconductor, MPC8544COMEDEV Datasheet - Page 38

• Manufacturer Part Number: MPC8544COMEDEV
• Description: KIT DEV EXPRESS MPC8544COM
• Manufacturer: Freescale Semiconductor
• Type: MPUr

Specifications of MPC8544COMEDEV

• Contents: Board
• For Use With/related Products: MPC8544
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Enhanced Three-Speed Ethernet (eTSEC), MII Management
A summary of the single-clock TBI mode AC specifications for receive appears in
A timing diagram for TBI receive appears in
8.7.4
Table 37
38
At recommended operating conditions with L/TV
RX_CLK clock period
RX_CLK duty cycle
RX_CLK peak-to-peak jitter
Rise time RX_CLK (20%–80%)
Fall time RX_CLK (80%–20%)
RCG[9:0] setup time to RX_CLK rising edge
RCG[9:0] hold time to RX_CLK rising edge
Data to clock output skew (at transmitter)
Data to clock input skew (at receiver)
Clock period duration
Duty cycle for 10BASE-T and 100BASE-TX
Rise time (20%–80%)
.
presents the RGMII and RTBI AC timing specifications.
RCG[9:0]
RX_CLK
Parameter/Condition
RGMII and RTBI AC Timing
Parameter/Condition
MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
Table 36. TBI Single-Clock Mode Receive AC Timing Specification
Figure 21. TBI Single-Clock Mode Receive AC Timing Diagram
t
TRRH
Table 37. RGMII and RTBI AC Timing Specifications
t
t
TRR
TRRDV
DD
of 2.5 V ± 5%.
t
Figure
t
t
Symbol
Valid Data
RGTH
Symbol
SKRGT_RX
t
SKRGT_TX
t
t
t
t
TRRDV
TRRDX
t
t
TRRH
TRRR
TRRF
TRRJ
t
TRR
RGTR
t
RGT
/t
Specifications
RGT
21.
1
–500
Min
Min
7.5
2.0
1.0
t
1.0
7.2
40
40
—
—
—
—
TRRDX
Typ
Typ
8.0
8.0
t
50
50
—
—
—
—
—
—
—
TRRF
0
Max
Max
0.75
250
500
8.5
1.0
1.0
2.8
8.8
60
60
—
—
Table
Freescale Semiconductor
t
TRRR
36.
Unit
Unit
ns
ps
ns
ns
ns
ns
ps
ns
ns
ns
%
%
Notes
Notes
3, 4
—
—
—
—
—
—
—
—
5
2
3