參數(shù)資料
型號: EP7312-IR-90
廠商: CIRRUS LOGIC INC
元件分類: 微控制器/微處理器
英文描述: HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
中文描述: 32-BIT, FLASH, 90 MHz, RISC MICROCONTROLLER, PBGA204
封裝: 13 X 13 MM, TFBGA-204
文件頁數(shù): 20/64頁
文件大?。?/td> 1710K
代理商: EP7312-IR-90
20
Copyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
DS508PP5
EP7312
High-Performance, Low-Power System on Chip
SDRAM Refresh Cycle
Note:
1. Timings are shown with CAS latency = 2
2. The SDCLK signal may be phase shifted relative to the rest of the SDRAM control and data signals due to uneven loading.
Designers should take care to ensure that delays between SDRAM control and data signals are approximately equal
SDCLK
SDCS
SDRAS
SDCAS
SDQM
[3:0]
SDMWE
SDATA
ADDR
t
CSa
t
RAa
t
CSd
t
RAd
t
CAa
t
CAd
Figure 6. SDRAM Refresh Cycle Timing Measurement
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EP7312IR-90 制造商:Cirrus Logic 功能描述:
EP7312-IR-C 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
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EP7312-IV-C 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE