Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) DS508F2 EP7312 High-Performance, Low-Power S" />
參數(shù)資料
型號(hào): EP7312-CV-90
廠商: Cirrus Logic Inc
文件頁數(shù): 8/54頁
文件大?。?/td> 0K
描述: IC ARM720T MCU 90MHZ 208-LQFP
標(biāo)準(zhǔn)包裝: 36
系列: EP7
核心處理器: ARM7
芯體尺寸: 32-位
速度: 90MHz
連通性: 編解碼器,DAI,EBI/EMI,IrDA,鍵盤,SPI/Microwire1,UART/USART
外圍設(shè)備: LCD,LED,MaverickKey,PWM
輸入/輸出數(shù): 27
程序存儲(chǔ)器類型: ROMless
RAM 容量: 56K x 8
電壓 - 電源 (Vcc/Vdd): 2.3 V ~ 2.7 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 208-LQFP
包裝: 托盤
配用: 598-1209-ND - KIT DEVELOPMENT EP73XX ARM7
其它名稱: 598-1238
16
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
DS508F2
EP7312
High-Performance, Low-Power System on Chip
SDRAM Interface
Figure 3 through Figure 6 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 falling edge to SDCS assert delay time
tCSa
024
ns
SDCLK falling edge to SDCS deassert delay time
tCSd
3
2
10
ns
SDCLK falling edge to SDRAS assert delay time
tRAa
137
ns
SDCLK falling edge to SDRAS deassert delay time
tRAd
3
1
10
ns
SDCLK falling edge to SDRAS invalid delay time
tRAnv
247
ns
SDCLK falling edge to SDCAS assert delay time
tCAa
22
5
ns
SDCLK falling edge to SDCAS deassert delay time
tCAd
50
3
ns
SDCLK falling edge to ADDR transition time
tADv
31
5
ns
SDCLK falling edge to ADDR invalid delay time
tADx
22
5
ns
SDCLK falling edge to SDMWE assert delay time
tMWa
31
5
ns
SDCLK falling edge to SDMWE deassert delay time
tMWd
40
4
ns
DATA transition to SDCLK falling edge time
tDAs
2-
-
ns
SDCLK falling edge to DATA transition hold time
tDAh
1-
-
ns
SDCLK falling edge to DATA transition delay time
tDAd
0
-
15
ns
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EP7312-CV-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
EP7312-CVZ 功能描述:音頻片上系統(tǒng) - SoC IC Hgh-Prfrmnc Low- Power SOC w/SDRAM RoHS:否 制造商:Cirrus Logic
EP7312-CVZ-90 功能描述:音頻片上系統(tǒng) - SoC IC Hgh-Prfrmnc Low- Power SOC w/SDRAM RoHS:否 制造商:Cirrus Logic
EP7312-CVZR 功能描述:音頻片上系統(tǒng) - SoC IC Hgh-Prfrmnc Low- Power SOC w/SDRAM RoHS:否 制造商:Cirrus Logic
EP7312-EB-90 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