4 mdio interface, Mdio i, Nterface – Maxim Integrated DS33R11 User Manual
Page 319: Figure 13-5. mdio interface timing, Table 13-9. mdio interface
DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver
319 of 344
13.4 MDIO Interface
Table 13-9. MDIO Interface
)
PARAMETER SYMBOL
MIN
TYP
MAX
UNITS
MDC Frequency
1.67
MHz
MDC Period
t1
540
600
660
ns
MDC Low Time
t2
270
300
330
ns
MDC High Time
t3
270
300
330
ns
MDC to MDIO Output Delay
t4
20
10
ns
MDIO Setup Time
t5
10
ns
MDIO Hold Time
t6
20
ns
Note 1:
Timing parameters in this table are guaranteed by design (GBD).
Figure 13-5. MDIO Interface Timing
MDC
MDIO
t4
MDC
t2
t3
t1
MDIO
t5
t6