Datasheet

 2017 Microchip Technology Inc. DS00002245B-page 41
KSZ8041NL/RNL
7.3 MII Receive Timing (10BASE-T)
FIGURE 7-3: MII RECEIVE TIMING (10BASE-T)
TABLE 7-2: MII TRANSMIT TIMING (10BASE-T) PARAMETERS
Timing
Parameter
Description Min. Typ. Max. Units
t
P
TXC Period — 400 — ns
t
WL
TXC Pulse Width Low
—
200
—
ns
t
WH
TXC Pulse Width High
—
200
—
ns
t
SU1
TXD[3:0] Setup to Rising Edge of TXC 10
——
ns
t
SU2
TXEN Setup to Rising Edge of TXC 10
——
ns
t
HD1
TXD[3:0] Hold from Rising Edge of TXC 0
——
ns
t
HD2
TXEN Hold from Rising Edge of TXC 0
——
ns
t
CRS1
TXEN High to CRS Asserted Latency
—
160
—
ns
t
CRS2
TXEN Low to CRS De-Asserted Latency
—
510
—
ns
TABLE 7-3: MII RECEIVE TIMING (10BASE-T) PARAMETERS
Timing
Parameter
Description Min. Typ. Max. Unit
t
P
RXC Period — 400 — ns
t
WL
RXC Pulse Width Low
—
200
—
ns
t
WH
RXC Pulse Width High
—
200
—
ns
t
OD
(RXD[3:0], RXER, RXDV) Output Delay
from Rising Edge of RXC
182 — 225 ns
t
RLAT
CRS to (RXD[3:0], RXER, RXDV) Latency
—
6.5
—
µs
RXD[3:0]
RXER
CRS
RXDV
t
RLAT
t
OD
RXC
t
WH
t
WL
t
P