am79c875 Advanced Micro Devices, am79c875 Datasheet - Page 40
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am79c875
Manufacturer Part Number
am79c875
Description
Netphy ?lp Low Power Quad 10/100-tx/fx Ethernet Transceiver
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C875.pdf
(48 pages)
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40
MII Management Signals
t
t
t
t
t
t
MDPER
MDWH
MDWL
MDPD
MDS
MDH
Symbol
Parameter Description
MDC Period
MDC Pulse Width HIGH
MDC Pulse Width LOW
MDIO Delay From Rising Edge of MDC
MDIO Setup Time to Rising Edge of MDC
MDIO Hold Time From Rising Edge of MDC
MDIO
MDIO
MDC
MDC
Figure 18. Management Bus Transmit Timing
Figure 19. Management Bus Receive Timing
t
MDPD
t
MDWH
Am79C875
t
MDS
t
MDPER
t
MDH
mdio_tx.vsd
t
MDWL
Min.
40
16
16
4
-
Max.
20
3
22236G-21
22236G-20
Unit
ns
ns
ns
ns
ns
ns