DSP56721 Freescale Semiconductor, Inc, DSP56721 Datasheet - Page 36

• Manufacturer Part Number: DSP56721
• Description: Dsp56721 Multi-core Audio Processor
• Manufacturer: Freescale Semiconductor, Inc

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Write data strobe assertion width 7
HACK write assertion width
Write data strobe deassertion width 7
HACK write deassertion width
HAS assertion width
HAS deassertion to data strobe assertion 8
Host data input setup time before write data strobe deassertion 7
Host data input setup time before HACK write deassertion
Host data input hold time after write data strobe deassertion 7
Host data input hold time after HACK write deassertion
Read data strobe assertion to output data active from high impedance 3
HACK read assertion to output data active from high impedance
Read data strobe assertion to output data valid 3
HACK read assertion to output data valid
Read data strobe deassertion to output data high impedance 3
HACK read deassertion to output data high impedance
Output data hold time after read data strobe deassertion 3
Output data hold time after HACK read deassertion
HCS assertion to read data strobe deassertion 3
HCS assertion to write data strobe deassertion 7
HCS assertion to output data valid
HCS hold time after data strobe deassertion 8
Address (AD7—AD0) setup time before HAS deassertion (HMUX=1)
Address (AD7—AD0) hold time after HAS deassertion (HMUX=1)
A10—A8 (HMUX=1), A2—A0 (HMUX=0), HR/W setup time before data
strobe assertion 8
A10—A8 (HMUX=1), A2—A0 (HMUX=0), HR/W hold time after data
strobe deassertion 8
Delay from read data strobe deassertion to
host request assertion for “Last Data Register” read 3, 4, 9
• after ICR, CVR and “Last Data Register” writes 4
• after IVR writes, or
• after TXH:TXM writes (with HBE=0), or
• after TXL:TXM writes (with HBE=1)
• Read
• Write
Symphony
Table 18. HDI24 Timing Parameters (Continued)
TM
Characteristics 2
DSP56720 / DSP56721 Multi-Core Audio Processors, Rev. 3
Expression
2 × T
T
C
T
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
+ 9.9
C
C
+ 6.6
Freescale Semiconductor
13.2
16.6
16.5
14.9
Min
9.9
4.7
5.0
9.9
0.0
3.3
3.3
3.3
9.9
0.0
4.7
3.3
3.3
—
—
—
0
200 MHz
Max
24.2
19.1
9.9
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns