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Table 49. MII-lite serial management channel timing
Spec
Characteristic
Value
Unit
Min
Max
M10
MDC falling edge to MDIO output invalid (minimum
propagation delay)
0
—
ns
M11
MDC falling edge to MDIO output valid (max prop delay)
—
25
ns
M12
MDIO (input) to MDC rising edge setup
10
—
ns
M13
MDIO (input) to MDC rising edge hold
0
—
ns
M14
MDC pulse width high
40%
60%
MDC period
M15
MDC pulse width low
40%
60%
MDC period
M11
M10
MDC (output)
MDIO (output)
M12
M13
MDIO (input)
M14
M15
Figure 44. MII-lite serial management channel timing diagram
18.3.5 RMII serial management channel timing (MDIO and MDC)
The FEC functions correctly with a maximum MDC frequency of 2.5 MHz.
Table 50. RMII serial management channel timing
Spec
Characteristic
Value
Unit
Min
Max
M10
MDC falling edge to
MDIO output invalid
(minimum propagation
delay)
0
—
ns
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AC specifications
SPC5746R Microcontroller Data Sheet, Rev. 6, 06/2017
NXP Semiconductors
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