Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) DS508F2 EP7312 High-Performance, Low-Power S" />
參數(shù)資料
型號(hào): EP7312-IVZ
廠商: Cirrus Logic Inc
文件頁數(shù): 8/54頁
文件大?。?/td> 0K
描述: IC ARM720T MCU 90/74MHZ 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: 74MHz
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: -40°C ~ 85°C
封裝/外殼: 208-LQFP
包裝: 托盤
配用: 598-1209-ND - KIT DEVELOPMENT EP73XX ARM7
其它名稱: 598-1135
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
相關(guān)PDF資料
PDF描述
EP7312-CVZ-90 IC ARM720T MCU 90MHZ 208-LQFP
EP7312-CBZ IC ARM720T MCU 74MHZ 256-PBGA
AT91SAM7SE256-CU IC ARM7 MCU FLASH 256K 144-LFBGA
ADUC848BCPZ62-3 IC MCU FLASH W/16BIT ADC 56-CSP
ADUC847BCPZ62-3 IC MCU FLASH 24BIT ADC 56LFCSP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EP7312M-CBZ 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
EP7312M-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
EP7312M-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
EP7312M-IVZ 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
EP7-3B46 制造商:FERROXCUBE 制造商全稱:Ferroxcube International Holding B.V. 功能描述:EP cores and accessories