參數(shù)資料
型號(hào): EP9302-CQ
廠商: Cirrus Logic, Inc.
英文描述: Modular Connector
中文描述: 高速ARM9的系統(tǒng)級(jí)芯片處理器MaverickCrunch
文件頁(yè)數(shù): 14/42頁(yè)
文件大小: 302K
代理商: EP9302-CQ
14
Copyright 2005 Cirrus Logic (All Rights Reserved)
DS653PP3
EP9302
High-speed ARM9 System-on-chip Processor with MaverickCrunch
Memory Interface
SDRAM Load Mode Register Cycle
Figure 2
through
Figure 5
define the timings associated with all phases of the SDRAM. The following table contains the
values for the timings of each of the SDRAM modes.
Parameter
Symbol
Min
Typ
Max
Unit
SDCLK high time
t
clk_high
-
(t
HCLK
) / 2
-
ns
SDCLK low time
t
clk_low
-
(t
HCLK
) / 2
-
ns
SDCLK rise/fall time
t
clkrf
-
2
4
ns
Signal delay from SDCLK rising edge time
t
d
-
-
8
ns
Signal hold from SDCLK rising edge time
t
h
1
-
-
ns
DQMn delay from SDCLK rising edge time
t
DQd
-
-
8
ns
DQMn hold from SDCLK rising edge time
t
DQh
1
-
-
ns
DA valid setup to SDCLK rising edge time
t
DAs
2
-
-
ns
DA valid hold from SDCLK rising edge time
t
DAh
3
-
-
ns
Figure 2. SDRAM Load Mode Register Cycle Timing Measurement
SDCLK
SDCSn
RASn
CASn
SDWEn
DQMn
AD
DA
OP-Code
t
clk_high
t
clk_low
t
clkrf
t
d
t
h
相關(guān)PDF資料
PDF描述
EP9302-CQZ High-speed ARM9 System-on-chip Processor with MaverickCrunch
EP9302-EQ High-speed ARM9 System-on-chip Processor with MaverickCrunch
EP9302-EQZ High-speed ARM9 System-on-chip Processor with MaverickCrunch
EP9302-IQ High-speed ARM9 System-on-chip Processor with MaverickCrunch
EP9302-IQZ High-speed ARM9 System-on-chip Processor with MaverickCrunch
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EP9302-CQ/E1 制造商:Cirrus Logic 功能描述:
EP9302-CQZ 功能描述:微處理器 - MPU IC Hi-Perform ARM9 SOC Processor RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類(lèi)型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
EP9302-EQ 制造商:CIRRUS 制造商全稱(chēng):Cirrus Logic 功能描述:High-speed ARM9 System-on-chip Processor with MaverickCrunch
EP9302-EQZ 制造商:CIRRUS 制造商全稱(chēng):Cirrus Logic 功能描述:High-speed ARM9 System-on-chip Processor with MaverickCrunch
EP9302-IQ 制造商:Cirrus Logic 功能描述:ARM9 SOC WITH MATH COPROCESSOR - INDUSTRIAL - Trays