參數(shù)資料
型號: DSP56364P
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: 24-Bit Audio Digital Signal Processor
中文描述: 24位音頻數(shù)字信號處理器
文件頁數(shù): 60/148頁
文件大?。?/td> 1204K
代理商: DSP56364P
Serial Host Interface (SHI) I
2
C Protocol Timing
DSP56364 Technical Data, Rev. 4
3-44
Freescale Semiconductor
3.12
Serial Host Interface (SHI) I
2
C Protocol Timing
Table 3-18 SHI I
2
C Protocol Timing
Standard I
2
C
1
No.
Characteristics
Symbol/
Expression
Standard-Mode
Fast-Mode
Unit
Min
Max
Min
Max
Tolerable spike width on SCL or SDA
Filters bypassed
0
0
ns
Narrow filters enabled
50
50
ns
Wide filters enabled
100
100
ns
171 SCL clock frequency
F
SCL
100
400
kHz
172 Bus free time
T
BUF
4.7
1.3
μ
s
173 Start condition set-up time
T
SU;STA
4.7
0.6
μ
s
174 Start condition hold time
T
HD;STA
4.0
0.6
μ
s
175 SCL low period
T
LOW
4.7
1.3
μ
s
176 SCL high period
T
HIGH
4.0
1.3
μ
s
177 SCL and SDA rise time
T
R
1000
20 + 0.1
×
C
b
300
ns
178 SCL and SDA fall time
T
F
300
20 + 0.1
×
C
b
300
ns
179 Data set-up time
T
SU;DAT
250
100
ns
180 Data hold time
T
HD;DAT
0.0
0.0
0.9
μ
s
181 Stop condition set-up time
T
SU;STO
4.0
0.6
μ
s
182 Capacitive load for each line
C
b
400
400
pF
183 DSP clock frequency
F
DSP
Filters bypassed
10.6
28.5
MHz
Narrow filters enabled
11.8
39.7
MHz
Wide filters enabled
13.1
61.0
MHz
184 HREQ in deassertion to last SCL edge
(HREQ in set-up time)
t
SU;RQI
0.0
0.0
ns
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