Data Sheet

Electrical/Mechanical Specification—Ethernet Controller I210
797
11.6.2.7 MDIO AC Specification
The I210 is designed to support the MDIO specifications defined in IEEE 802.3 clause 22. Following
timing specifications are applicable over recommended operating range from Ta = 0
o
C to +70
o
C
(-40
o
C to +85
o
C for industrial temperature SKUs), VCC3P3 = 3.3V, Cload = 16 pF (unless otherwise
noted). For MDIO I/F timing specification see Table 11-14, Figure 11-7 and Figure 11-8.
Figure 11-6. JTAG AC Timing Diagram
Table 11-14. MDIO I/F Timing Parameters
Symbol Parameter Min Typ Max Units Note
t
MCLK
MDC clock frequency 2 MHz
t
MH
MDIO hold time 10 nS
t
MSU
MDIO setup time 10 nS
t
MPR
MDIO propagation Delay 10 300 nS
Notes:
1. Table 11-14 applies to MDIO0, MDC0, MDIO1, MDC1, MDIO2, MDC2, MDIO3, and MDC3.
2. Timing measured relative to MDC reference voltage of 2.0V (Vih).
Tjsu
JTMS
JTDI
JTDO
Tjh
Tjclk
JTCK
Tjpr