2 mii interface, Mii i, Nterface – Maxim Integrated DS33R11 User Manual
Page 315: Figure 13-1. transmit mii interface timing, Table 13-5. transmit mii interface
DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver
315 of 344
13.2 MII Interface
Table 13-5. Transmit MII Interface
)
10Mbps 100Mbps
PARAMETER SYMBOL
MIN TYP MAX MIN TYP MAX
UNITS
TX_CLK
Period
t1
400
40 ns
TX_CLK Low Time
t2
140
260
14
26
ns
TX_CLK High Time
t3
140
260
14
26
ns
TX_CLK to TXD, TX_EN Delay
t4
0
20
0
20
ns
Note 1:
Timing parameters in this table are guaranteed by design (GBD).
Figure 13-1. Transmit MII Interface Timing
TX_CLK
TXD[3:0]
TX_EN
t4
t4
t2
t3
t1