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