參數(shù)資料
型號: DSP56321
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
元件分類: 數(shù)字信號處理
英文描述: 24-Bit Digital Signal Processor
中文描述: 24位數(shù)字信號處理器
文件頁數(shù): 35/84頁
文件大?。?/td> 898K
代理商: DSP56321
AC Electrical Characteristics
DSP56321 Technical Data, Rev. 11
Freescale Semiconductor
2-15
323
HAS deassertion to data strobe assertion
4
0.0
0.0
0.0
0.0
ns
324
Host data input setup time before write data
strobe deassertion
6
4.95
4.5
4.13
4.0
ns
325
Host data input hold time after write data
strobe deassertion
6
1.65
1.5
1.38
1.23
ns
326
Read data strobe assertion to output data
active from high impedance
5
HACK assertion to output data active from high
impedance
1.65
1.5
1.38
1.23
ns
327
Read data strobe assertion to output data
valid
5
HACK assertion to output data valid
14.78
13.45
12.32
10.2
ns
328
Read data strobe deassertion to output data
high impedance
5
HACK deassertion to output data high
impedance
4.95
4.5
4.13
4.0
ns
329
Output data hold time after read data strobe
deassertion
5
Output data hold time after HACK deassertion
1.65
1.5
1.38
1.23
ns
330
HCS assertion to read data strobe
deassertion
5
T
C
+ 4.95
9.95
9.05
8.3
7.77
ns
331
HCS assertion to write data strobe
deassertion
6
8
8
8
8
ns
332
HCS assertion to output data valid
17
16
15
14
ns
333
HCS hold time after data strobe deassertion
4
0.0
0.0
0.0
0.0
ns
334
Address (HAD[0–7]) setup time before HAS
deassertion (HMUX=1)
2.31
2.1
1.93
1.76
ns
335
Address (HAD[0–7]) hold time after HAS
deassertion (HMUX=1)
1.65
1.5
1.38
1.23
ns
336
HA[8–10] (HMUX=1), HA[0–2] (HMUX=0),
HR/W setup time before data strobe assertion
4
Read
Write
0
2.31
0
2.1
0
1.93
0
1.76
ns
ns
337
HA[8–10] (HMUX=1), HA[0–2] (HMUX=0),
HR/W hold time after data strobe deassertion
4
1.65
1.5
1.38
1.23
ns
338
Delay from read data strobe deassertion to
host request assertion for “Last Data Register”
read
5, 7, 8
T
C
+ 2.64
7.64
7.19
6.81
6.28
ns
339
Delay from write data strobe deassertion to
host request assertion for “Last Data Register”
write
6, 7, 8
1.5
×
T
C
+
2.64
10.14
9.47
8.9
8.1
ns
340
Delay from data strobe assertion to host
request deassertion for “Last Data Register”
read or write (HROD=0)
4, 7, 8
12.14
11.04
10.12
9.0
ns
341
Delay from data strobe assertion to host
request deassertion for “Last Data Register”
read or write (HROD=1, open drain host
request)
4, 7, 8, 9
300.0
300.0
300.0
300.0
ns
Table 2-10.
Host Interface Timings
1,2,12
(Continued)
No.
Characteristic
10
Expression
200 MHz
220 MHz
240 MHz
275 MHz
Uni
t
Min
Max
Min
Max
Min
Max
Min
Max
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