| 数据搜索系统,热门电子元器件搜索 |
|
PPC440EP 数据表(PDF) 65 Page - Applied Micro Circuits Corporation |
|
|
|||||||||||||||||||||||||||||
PPC440EP 数据表(HTML) 65 Page - Applied Micro Circuits Corporation |
|
65 / 84 page ![]() AMCC Proprietary 65 440EP – PPC440EP Embedded Processor Data Sheet Revision 1.26 – April 25, 2007 I/O Specifications Table 15. Peripheral Interface Clock Timings Parameter Min Max Units Notes PCIClk input frequency (asynchronous mode) – 66.66 MHz PCIClk period (asynchronous mode) 15 – ns PCIClk input high time 40% of nominal period 60% of nominal period ns PCIClk input low time 40% of nominal period 60% of nominal period ns EMCMDClk output frequency – 2.5 MHz EMCMDClk period 400 – ns EMCMDClk output high time 160 – ns EMCMDClk output low time 160 – ns EMCTxClk input frequency MII(RMII) 2.5(5) 25(50) MHz EMCTxClk period MII(RMII) 40(20) 400(200) ns EMCTxClk input high time 35% of nominal period – ns EMCTxClk input low time 35% of nominal period – ns EMCRxClk input frequency MII(RMII) 2.5(5) 25(50) MHz EMCRxClk period MII(RMII) 40(20) 400(200) ns EMCRxClk input high time 35% of nominal period – ns EMCRxClk input low time 35% of nominal period – ns PerClk (and OPB clock) output frequency (for ext. master or sync. slaves) –66.66 MHz PerClk period 15 – ns PerClk output high time 50% of nominal period 66% of nominal period ns PerClk output low time 33% of nominal period 50% of nominal period ns UARTSerClk input frequency – 1000/(2TOPB 1+2ns) MHz 1 UARTSerClk period 2TOPB+2 –ns 1 UARTSerClk input high time TOPB+1 –ns 1 UARTSerClk input low time TOPB+1 –ns 1 USB2Clk input frequency 60 60 MHz USB1Clk input frequency 48 48 MHz |
|
链接网址 |
| ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 数据表链接 | 链接交换 | 制造商名单 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 |