TC290 Datasheet, PDF (428/476 Pages) Infineon Technologies AG – 32-Bit Single-Chip Micocontroller

TC290 / TC297 / TC298 / TC299 BB-Step
Electrical SpecificationEthernet Interface (ETH) Characteristics
3.28.3 ETH MII Parameters
In the following, the parameters of the MII (Media Independent Interface) are described.
Table 3-84 ETH MII Signal Timing Parameters
Parameter
Symbol
Min.
Clock period
t₇ SR
40
400
Clock high time
t₈ SR
14
140 ¹⁾
Clock low time
t₉ SR
14
140 ¹⁾
Input setup time
t₁₀ SR
10
Input hold time
t₁₁ SR
10
Output valid time
t₁₂ CC
0
1) Defined by 35% of clock period.
2) Defined by 65% of clock period.
Values
Typ.
-
Max.
-
-
-
-
26
-
260 ²⁾
-
26
-
260 ²⁾
-
-
-
-
-
25
Unit Note / Test Condition
ns
C_L=25pF;
baudrate=100Mbps
ns
C_L=25pF;
baudrate=10Mbps
ns
C_L=25pF;
baudrate=100Mbps
ns
C_L=25pF;
baudrate=10Mbps
ns
C_L=25pF;
baudrate=100Mbps
ns
C_L=25pF;
baudrate=10Mbps
ns
C_L=25pF
ns
C_L=25pF
ns
C_L=25pF
ETH_MII_RX_CLK
ETH_MII_TX_CLK
ETH_MII_RX_CLK
ETH_MII_RXD[3:0]
ETH_MII_RX_DV
ETH_MII_RX_ER
(sourced by PHY )
ETH_MII_TX_CLK
ETH_MII_TXD[3:0]
ETH_MII_TXEN
(sourced by controller )
Figure 3-27 ETH MII Signal Timing
t₇
t₉
t₈
t_{1 0}
t_{1 1}
Valid Data
t1 2
Valid Data
ETH_Timing-MII.vsd
Data Sheet
3-422
V 1.1 2015-05
TC290/TC297/TC298/TC299 BB-Step Data Sheet downloaded by saravanakumar maniyam (larsen and Toubro limited) at 08 Sep 2015 08:06