參數資料
型號: STR912FM42X6T
廠商: 意法半導體
英文描述: ARM966E-S TM 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA
中文描述: ARM966E - ?商標16/32位閃存微控制器與以太網,USB,加拿大,交流電機控制,4個定時器,模數轉換器,RTC和DMA的
文件頁數: 63/73頁
文件大?。?/td> 595K
代理商: STR912FM42X6T
STR91xF
Electrical characteristics
63/73
Table 26.
Ethernet MII management timing table
Ethernet MII transmit timings
Figure 19. Ethernet MII transmit timing diagram
Table 27.
Ethernet MII transmit timing table
Symbol
Parameter
Symbol
Value
Unit
Min
Max
1
MDIO delay from rising
edge of MDC
t
c
(MDIO)
2.83
ns
2
MDIO setup time to rising
edge of MDC
T
su
(MDIO)
2.70
ns
3
MDIO hold time from rising
edge of MDC
T
h
(MDIO)
-2.03
ns
Symbol
Parameter
Symbol
Value
Unit
Min
Max
1
MII_TX_CLK high to
MII_TX_EN valid
t
VAL
(MII_TX_EN)
4.20
ns
2
MII_TX_CLK high to
MII_TX_EN invalid
T
inval
(MII_TX_EN)
4.86
ns
3
MII_CRS valid to
MII_TX_CLK high
T
su
(MII_CRS)
0.61
ns
4
MII_TX_CLK high to
MII_CRS invalid
T
h
(MII_CRS)
0.00
ns
5
MII_COL valid to
MII_TX_CLK high
T
su
(MII_COL)
0.81
ns
6
MII_TX_CLK high to
MII_COL invalid
T
h
(MII_COL)
0.00
ns
7
MII_TX_CLK high to
MII_TXD valid
t
VAL
(MII_TXD)
5.02
ns
8
MII_TXCLK high to
MII_TXD invalid
T
inval
(MII_TXD
5.02
ns
1
3
5
7
8
2
4
6
MII_TX_CLK
MII_TX_EN
MII_CRS
MII_COL
MII_TXD
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