參數(shù)資料
型號(hào): EP7211-CV-A
廠商: CIRRUS LOGIC INC
元件分類: 外設(shè)及接口
英文描述: HIGH-PERFORMANCE ULTRA-LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER
中文描述: MULTIFUNCTION PERIPHERAL, PQFP208
封裝: LQFP-208
文件頁(yè)數(shù): 136/166頁(yè)
文件大?。?/td> 2623K
代理商: EP7211-CV-A
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EP7211
High-Performance Ultra-Low-Power System-on-Chip with LCD Controller
136
Electrical Specifications
DS352PP3
JUL 2001
Figure 6-1. Expansion and ROM Timing
NOTES:
1)
TNCSRD = 35 ns at 36.864 MHz
70 ns at 18.432 MHz
120 ns at 13.0 MHz
Maximum values for minimum wait states. This time can be extended by integer multiples of the
clock period (27 ns at 36 MHz, 54 ns at 18.432 MHz, and 77 ns at 13 MHz), by either driving
EXPRDY
low and/or by programming a number of wait states.
EXPRDY
is sampled on the falling
edge of
EXPCLK
before the data transfer. If low at this point, the transfer is delayed by one clock
period where
EXPRDY
is sampled again.
EXPCLK
need not be referenced when driving
EXPRDY
,
but is shown for clarity.
2)
Consecutive reads with sequential access enabled are identical except that the sequential access
wait state field is used to determine the number of wait states, and no idle cycles are inserted
between successive non-sequential ROM/expansion cycles. This improves performance so the
SQAEN bit should always be set where possible.
EXPCLK
NCS[5:0]
NMOE
A[27:0]
D[31:0]
WORD
EXPRDY
Bus held
Data in
Data in
1&65'
$'5'
Consecutive Expansion Read Cycles with Minimum Wait
相關(guān)PDF資料
PDF描述
EP7212 HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
EP7212-CB-A HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
EP7212-CV-A HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EP7211-CV-D 制造商:Rochester Electronics LLC 功能描述:- Bulk
EP7212 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
EP7212-CB-A 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
EP7212-CV-A 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER AND DIGITAL AUDIO INTERFACE(DAI)
EP7212-CV-D 制造商:Rochester Electronics LLC 功能描述:- Bulk