STR910FAZ32H6T STMICROELECTRONICS [STMicroelectronics], STR910FAZ32H6T Datasheet - Page 81

• Manufacturer Part Number: STR910FAZ32H6T
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STR91xFAx32 STR91xFAx42 STR91xFAx44
7.12
7.12.1
Communication interface electrical characteristics
10/100 Ethernet MAC electrical characteristics
V
Ethernet MII interface timings
Figure 24. MII_RX_CLK and MII_TX_CLK timing diagram
Table 39.
Figure 25. MDC timing diagram
Table 40.
DDQ
Symbol
Symbol
MII_RX_TCLK, MII_TX_CLK
1
2
3
4
1
2
3
4
= 2.7 - 3.6V, V
MDC
Cycle time
Pulse duration HIGH
Pulse duration LOW
Transition time
Cycle time
Pulse duration HIGH
Pulse duration LOW
Transition time
MII_RX_CLK and MII_TX_CLK timing table
MDC timing table
Parameter
Parameter
DD
= 1.65 - 2V, T
2
1
3
2
1
3
A
= -40 / 85 °C unless otherwise specified.
t
t
t
t
t
t
t
t
c
HIGH
LOW
t
c
HIGH
LOW
t
(CLK)
(MDC)
(CLK)
(MDC)
Symbol
Symbol
(CLK)
(MDC)
(CLK)
(MDC)
4
4
40%
40%
40%
40%
Min
Min
266
40
4
4
Value
Value
Electrical characteristics
60%
60%
Max
60%
60%
Max
1
1
Unit
Unit
ns
ns
ns
ns
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