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STM32F205RB Scheda tecnica(PDF) 107 Page - STMicroelectronics

Il numero della parte STM32F205RB
Spiegazioni elettronici  ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM
PDF  163 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F205RB Scheda tecnica(HTML) 107 Page - STMicroelectronics

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STM32F205xx, STM32F207xx
Electrical characteristics
Doc ID 15818 Rev 7
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Figure 46.
Ethernet SMI timing diagram
Table 59 gives the list of Ethernet MAC signals for the RMII and Figure 47 shows the
corresponding timing diagram.
Figure 47.
Ethernet RMII timing diagram
Table 58.
Dynamics characteristics: Ethernet MAC signals for SMI(1)
1.
TBD stands for “to be defined”.
Symbol
Rating
Min
Typ
Max
Unit
tMDC
MDC cycle time (1.71 MHz, AHB = 72 MHz)
TBD
TBD
TBD
ns
td(MDIO)
MDIO write data valid time
TBD
TBD
TBD
ns
tsu(MDIO) Read data setup time
TBD
TBD
TBD
ns
th(MDIO)
Read data hold time
TBD
TBD
TBD
ns
Table 59.
Dynamics characteristics: Ethernet MAC signals for RMII(1)
1.
TBD stands for “to be defined”.
Symbol
Rating
Min
Typ
Max
Unit
tsu(RXD)
Receive data setup time
TBD
TBD
TBD
ns
tih(RXD)
Receive data hold time
TBD
TBD
TBD
ns
tsu(CRS)
Carrier sense set-up time
TBD
TBD
TBD
ns
tih(CRS)
Carrier sense hold time
TBD
TBD
TBD
ns
td(TXEN)
Transmit enable valid delay time
0
9.6
21.9
ns
td(TXD)
Transmit data valid delay time
0
9.9
21
ns
ETH_MDC
ETH_MDIO(O)
ETH_MDIO(I)
tMDC
td(MDIO)
tsu(MDIO)
th(MDIO)
ai15666c
RMII_REF_CLK
RMII_TX_EN
RMII_TXD[1:0]
RMII_RXD[1:0]
RMII_CRS_DV
td(TXEN)
td(TXD)
tsu(RXD)
tsu(CRS)
tih(RXD)
tih(CRS)
ai15667



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