參數(shù)資料
型號: DSP56004ROM
廠商: 飛思卡爾半導體(中國)有限公司
元件分類: 數(shù)字信號處理
英文描述: SYMPHONY AUDIO DSP FAMILY 24-BIT DIGITAL SIGNAL PROCESSORS
中文描述: Symphony音頻DSP系列的24位數(shù)字信號處理器
文件頁數(shù): 41/82頁
文件大?。?/td> 636K
代理商: DSP56004ROM
Specifications
External Memory Interface (EMI) SRAM Timing
MOTOROLA
DSP56004/D, Rev. 3
2-17
EXTERNAL MEMORY INTERFACE (EMI) SRAM TIMING
(C
L
= 50 pF + 2 TTL Loads)
Figure 2-12
CAS before RAS Refresh Cycle
Table 2-10
External Memory Interface (EMI) SRAM Timing
No.
Characteristics
Symbol
Expression
50 MHz
66 MHz
81 MHz
Unit
Min Max Min Max Min Max
91 Address Valid and CS
Assertion Pulse Width
t
RC
, t
WC
4
×
T
C
– 11 +
Ws
×
T
C
69
50
38.4
ns
92 Address Valid to RD or WR
Assertion
t
AS
T
C
+ T
L
– 13
17
10
5.5
ns
93 RD or WR Assertion Pulse
Width
t
WP
2
×
T
C
– 5 +
Ws
×
T
C
2
×
T
C
– 11
35
23
20
ns
94 RD or WR Deassertation to
RD or WR Assertion
29
19
13.7
ns
95 RD or WR Deassertation to
Address not Valid
t
WR
T
H
– 6
4
2
0.2
ns
96 Address Valid to Input Data
Valid
t
AA
, t
AC
3
×
T
C
+ T
L
–15 +
Ws
×
T
C
2
×
T
C
– 15 +
Ws
×
T
C
55
38
28.2
ns
97 RD Assertion to Input Data
Valid
t
OE
25
15
9.7
ns
MRAS
MCAS
Data In
MD0–MD7
83
81
84
85
88
82
87
89
86
AA0266
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
相關(guān)PDF資料
PDF描述
DSP56721 SymphonyTM DSP56720 / DSP56721 Multi-Core Audio Processors
DSPA56720AG SymphonyTM DSP56720 / DSP56721 Multi-Core Audio Processors
DSPA56721AF SymphonyTM DSP56720 / DSP56721 Multi-Core Audio Processors
DSPA56721AG SymphonyTM DSP56720 / DSP56721 Multi-Core Audio Processors
DSPB56720AG SymphonyTM DSP56720 / DSP56721 Multi-Core Audio Processors
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DSP56004UM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DSP56004 24-Bit Digital Signal Processor User's Manual Revision 1
DSP56004UM/AD 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:SYMPHONY AUDIO DSP FAMILY 24-BIT DIGITAL SIGNAL PROCESSORS
DSP56005DS 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DSP56005 24-Bit Digital Signal Processor Datasheet
DSP56005UM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DSP56005 24-Bit Digital Signal Processor User's Manual
DSP56007DS 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DSP56007 24-Bit Digital Signal Processor Data Sheet