参数资料
型号: STR912FW42X6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 96 MHz, RISC MICROCONTROLLER, PQFP128
封装: 14 X 14 MM, PLASTIC, LQFP-128
文件页数: 60/73页
文件大小: 1538K
代理商: STR912FW42X6
Obsolete
Product(s)
- Obsolete
Product(s)
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
tc(MDIO)
2.83
ns
2
MDIO setup time to rising
edge of MDC
Tsu (MDIO)
2.70
ns
3
MDIO hold time from rising
edge of MDC
Th (MDIO)
-2.03
ns
Symbol
Parameter
Symbol
Value
Unit
Min
Max
1
MII_TX_CLK high to
MII_TX_EN valid
tVAL(MII_TX_EN)
4.20
ns
2
MII_TX_CLK high to
MII_TX_EN invalid
Tinval(MII_TX_EN)
4.86
ns
3
MII_CRS valid to
MII_TX_CLK high
Tsu(MII_CRS)
0.61
ns
4
MII_TX_CLK high to
MII_CRS invalid
Th(MII_CRS)
0.00
ns
5
MII_COL valid to
MII_TX_CLK high
Tsu(MII_COL)
0.81
ns
6
MII_TX_CLK high to
MII_COL invalid
Th(MII_COL)
0.00
ns
7
MII_TX_CLK high to
MII_TXD valid
tVAL(MII_TXD)
5.02
ns
8
MII_TXCLK high to
MII_TXD invalid
Tinval(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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