MSC8122 Freescale Semiconductor, MSC8122 Datasheet - Page 36

• Manufacturer Part Number: MSC8122
• Description: Quad Digital Signal Processor
• Manufacturer: Freescale Semiconductor

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2.5.10.4
2.5.11
36
Notes:
No.
808
809
810
No.
601
602
603
604
605
ETHSYNC_IN, ETHRXD to ETHCLOCK rising edge set-up time
ETHCLOCK rising edge to ETHSYNC_IN, ETHRXD hold time
ETHCLOCK rising edge to ETHSYNC, ETHTXD output delay
•
•
1.
2.
REFCLK edge to GPIO out valid (GPIO out delay time)
REFCLK edge to GPIO out not valid (GPIO out hold time)
REFCLK edge to high impedance on GPIO out
GPIO in valid to REFCLK edge (GPIO in set-up time)
REFCLK edge to GPIO in not valid (GPIO in hold time)
1.1 V core.
1.2 V core.
GPIO Timing
Measured using a 5 pF load.
Measured using a 15 pF load.
SMII Mode
ETHSYNC_IN
ETHRXD
ETHCLOCK
ETHSYNC
ETHTXD
MSC8122 Quad Digital Signal Processor Data Sheet, Rev. 15
Characteristics
Figure 26. SMII Mode Signal Timing
Table 27. SMII Mode Signal Timing
Characteristics
808
Table 28. GPIO Timing
Valid
Valid
810
809
Ref = CLKIN
Min
1.1
3.5
0.5
—
—
Max
6.1
5.4
—
—
—
Valid
Ref = CLKOUT
Freescale Semiconductor
Min
1.5
1.5
Min
1.0
1.0
(1.2 V only)
1.3
3.7
0.5
—
—
1
1
Max
Max
6.0
5.0
6.9
6.2
—
—
—
—
—
2
2
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns