| поискавой системы для электроныых деталей |
|
MPC8548ECPXATHC датащи(PDF) 38 Page - Freescale Semiconductor, Inc |
|
|
|||||||||||||||||||||||||||||
MPC8548ECPXATHC датащи(HTML) 38 Page - Freescale Semiconductor, Inc |
|
38 / 151 page ![]() MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 9 38 Freescale Semiconductor Enhanced Three-Speed Ethernet (eTSEC) Figure 17 shows the RGMII and RTBI AC timing and multiplexing diagrams. Figure 17. RGMII and RTBI AC Timing and Multiplexing Diagrams 8.2.7 RMII AC Timing Specifications This section describes the RMII transmit and receive AC timing specifications. 8.2.7.1 RMII Transmit AC Timing Specifications The RMII transmit AC timing specifications are in this table. Table 34. RMII Transmit AC Timing Specifications Parameter/Condition Symbol1 Min Typ Max Unit TSECn_TX_CLK clock period tRMT 15.0 20.0 25.0 ns TSECn_TX_CLK duty cycle tRMTH 35 50 65 % TSECn_TX_CLK peak-to-peak jitter tRMTJ —— 250 ps Rise time TSECn_TX_CLK (20%–80%) tRMTR 1.0 — 2.0 ns Fall time TSECn_TX_CLK (80%–20%) tRMTF 1.0 — 2.0 ns GTX_CLK tRGT tRGTH tSKRGT TX_CTL TXD[8:5] TXD[7:4] TXD[9] TXERR TXD[4] TXEN TXD[3:0] (At Transmitter) TXD[8:5][3:0] TXD[7:4][3:0] TX_CLK (At PHY) RX_CTL RXD[8:5] RXD[7:4] RXD[9] RXERR RXD[4] RXDV RXD[3:0] RXD[8:5][3:0] RXD[7:4][3:0] RX_CLK (At PHY) tSKRGT tSKRGT tSKRGT |
|
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 |