參數(shù)資料
型號: DSP56367UM
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): 62/100頁
文件大小: 1039K
代理商: DSP56367UM
Serial Host Interface SPI Protocol Timing
DSP56367 Technical Data, Rev. 2.1
3-38
Freescale Semiconductor
144
Serial clock rise/fall time
Master
Slave
10
2000
ns
146
SS assertion to first SCK edge
CPHA = 0
Slave
Bypassed
Narrow
Wide
3.5
×
T
C
+ 15
0
0
38.5
0
0
ns
CPHA = 1
Slave
Bypassed
Narrow
Wide
10
0
0
10
0
0
ns
147
Last SCK edge to SS not asserted
Slave
Bypassed
Narrow
Wide
12
102
189
12
102
189
ns
148
Data input valid to SCK edge (data input
set-up time)
Master/
Slave
Bypassed
Narrow
Wide
0
MAX{(20-T
C
), 0}
MAX{(40-T
C
), 0}
0
13.3
33.3
ns
149
SCK last sampling edge to data input not
valid
Master/
Slave
Bypassed
Narrow
Wide
2.5
×
T
C
+ 10
2.5
×
T
C
+ 30
2.5
×
T
C
+ 50
26.8
46.8
66.8
ns
150
SS assertion to data out active
Slave
2
2
ns
151
SS deassertion to data high impedance
3
Slave
9
9
ns
152
SCK edge to data out valid (data out delay
time)
Master/
Slave
Bypassed
Narrow
Wide
2
×
T
C
+ 33
2
×
T
C
+ 123
2
×
T
C
+ 210
46.4
136.4
223.4
ns
153
SCK edge to data out not valid (data out
hold time)
Master/
Slave
Bypassed
Narrow
Wide
T
C
+ 5
T
C
+ 55
T
C
+ 106
11.7
61.7
112.7
ns
154
SS assertion to data out valid (CPHA = 0)
Slave
T
C
+ 33
39.7
ns
157
First SCK sampling edge to HREQ output
deassertion
Slave
Bypassed
Narrow
Wide
2.5
×
T
C
+ 30
2.5
×
T
C
+ 120
2.5
×
T
C
+ 217
46.8
136.8
233.8
ns
158
Last SCK sampling edge to HREQ output
not deasserted (CPHA = 1)
Slave
Bypassed
Narrow
Wide
2.5
×
T
C
+ 30
2.5
×
T
C
+ 80
2.5
×
T
C
+ 136
46.8
96.8
152.8
ns
159
SS deassertion to HREQ output not
deasserted (CPHA = 0)
Slave
2.5
×
T
C
+ 30
46.8
ns
Table 3-16 Serial Host Interface SPI Protocol Timing (continued)
No.
Characteristics
1
Mode
Filter
Mode
Expression
2
Min
Max
Unit
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