| 数据搜索系统,热门电子元器件搜索 |
|
PPC440EP 数据表(PDF) 51 Page - Applied Micro Circuits Corporation |
|
|
|||||||||||||||||||||||||||||
PPC440EP 数据表(HTML) 51 Page - Applied Micro Circuits Corporation |
|
51 / 84 page ![]() AMCC Proprietary 51 440EP – PPC440EP Embedded Processor Data Sheet Revision 1.26 – April 25, 2007 DDR SDRAM Interface BA0:1 Bank Address supporting up to four internal banks. O 2.5V SSTL_2 BankSel0:3 Selects up to four external DDR SDRAM banks. O 2.5V SSTL_2 CAS Column Address Strobe. O 2.5V SSTL_2 ClkEn Clock Enable. O 2.5V SSTL_2 DM0:3 DM8 Memory write data byte lane masks. DM8 is the byte lane mask for the ECC byte lane. O 2.5V SSTL_2 DQS0:3 DQS8 Byte lane data strobe. DQS8 is the data strobe for the ECC byte lane. I/O 2.5V SSTL_2 ECC0:7 ECC check bits 0:7. I/O 2.5V SSTL_2 MemAddr00:12 Memory address bus. O 2.5V SSTL_2 MemClkOut0 MemClkOut0 Subsystem clock. O 2.5V SSTL_2 Diff driver MemData00:31 Memory data bus. I/O 2.5V SSTL_2 MemSelfRef Self refresh. I 3.3V tolerant 2.5V CMOS 5 RAS Row Address Strobe. O 2.5V SSTL_2 WE Write Enable. O 2.5V SSTL_2 SVREF1 SSTL reference voltage. I Volt ref receiver SVREF2A:B Supplemental SSTL reference voltage. I Volt ref pin (supplemental) Table 6. Signal Functional Description (Sheet 2 of 9) Notes: 1. Receiver input has hysteresis 2. Must pull up (recommended value is 3k Ω to 3.3V) 3. Must pull down (recommended value is 1k Ω) 4. If not used, must pull up (recommended value is 3k Ω to 3.3V) 5. If not used, must pull down (recommended value is 1k Ω) 6. Strapping input during reset; pull-up or pull-down required Signal Name Description I/O Type Notes |
|
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 |