參數(shù)資料
型號: EP7212-CV-A
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 LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
中文描述: 32-BIT, MROM, 74 MHz, RISC MICROCONTROLLER, PQFP208
封裝: LQFP-208
文件頁數(shù): 106/136頁
文件大小: 2289K
代理商: EP7212-CV-A
EP7212
106
DS474PP1
Figure 19. DRAM Write Cycles at 36 MHz
NOTES:
1)
2)
3)
4)
5)
6)
t
RC
(Write cycle time) = 150 ns max
t
RAS
(RAS pulse width) = 70 ns max
t
RP
(RAS precharge time) = 70 ns max
t
CAS
(CAS pulse width) = 10 ns max
t
CP
(CAS precharge in page mode) = 35 ns max
t
PC
(Page mode cycle time) = 50 ns max
Word reads shown, for byte reads, only one off
nCAS[3:0]
will be active,
nCAS[0]
for byte 0, etc.
ROW
COL
DRA[12:0]
EXPCLK
D[31:0]
t
RAS
ROW
COL1
COL2
NRAS[1:0]
NCAS[3:0]
t
RC
t
RP
T9
T10
T12
t
CAS
T11
t
CP
t
PC
COLn
DRAM Word Read followed by Page Mode Read (EXPCLK shown for reference only)
Data Out
2
Data Out
1
Data Out
n
相關(guān)PDF資料
PDF描述
EP7309 HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE
EP7309-CB-C CONN MODULAR JACK 8-8 R/A UNSHLD
EP7309-CR-C HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE
EP7309-CV-C HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE
EP7309-ER-C HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EP7212-CV-D 制造商:Rochester Electronics LLC 功能描述:- Bulk
EP7230 功能描述:電氣外殼配件 E-PANEL FITS 72 X 30 RoHS:否 制造商:Hammond Manufacturing 產(chǎn)品:Rack Accessories 類型: 面板寬度: 面板高度: 外部寬度: 外部高度: 外部深度: 顏色:Black
EP7236 功能描述:電氣外殼配件 E-PANEL FITS 72 X 36 RoHS:否 制造商:Hammond Manufacturing 產(chǎn)品:Rack Accessories 類型: 面板寬度: 面板高度: 外部寬度: 外部高度: 外部深度: 顏色:Black
EP7309 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE
EP7309_05 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:High-performance, Low-power, System-on-chip with Enhanced Digital Audio Interface