 |
поискавой системы для электроныых деталей |
|
|
поискавой системы для электроныых деталей |
|
STM32H757AI датащи(PDF) 227 Page - STMicroelectronics |
|
|
|||||||||||||||||||||||||||||
STM32H757AI датащи(HTML) 227 Page - STMicroelectronics |
|
|
227 / 251 page  DS12931 Rev 1 227/251 STM32H757xI Electrical characteristics 230 Ethernet interface characteristics Unless otherwise specified, the parameters given in Table 127, Table 128 and Table 129 for SMI, RMII and MII are derived from tests performed under the ambient temperature, frcc_c_ck frequency and VDD supply voltage conditions summarized in Table 23: General operating conditions, with the following configuration: • Output speed is set to OSPEEDRy[1:0] = 10 • Capacitive load CL=20 pF • Measurement points are done at CMOS levels: 0.5VDD • IO Compensation cell activated. • HSLV activated when VDD ≤ 2.7 V • VOS level set to VOS1 Refer to Section 6.3.18: I/O port characteristics for more details on the input/output characteristics: Figure 67. Ethernet SMI timing diagram Table 127. Dynamics characteristics: Ethernet MAC signals for SMI (1) 1. Guaranteed by characterization results. Symbol Parameter Min Typ Max Unit tMDC MDC cycle time( 2.5 MHz) 400 400 403 ns Td(MDIO) Write data valid time 0.5 1.5 4 tsu(MDIO) Read data setup time 12.5 - - th(MDIO) Read data hold time 0 - - MS31384V1 ETH_MDC ETH_MDIO(O) ETH_MDIO(I) tMDC td(MDIO) tsu(MDIO) th(MDIO) |
|
ссылки URL |
| Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | Ссылка на техническое описание | обмен ссыками | поиск по производителю All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
Russian ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
