PDSP16515A Datasheet, PDF (11/25 Pages) Mitel Networks Corporation – Stand Alone FFT Processor

PDSP16515A
DAV
DEN
DOS
DATA
O/P
S3:0
Dummy Strobes
(1)
(2)
(3)
TPS
TPW
TPH
(4)
Un-defined
TLZ
TDD
O/P 1
THZ
O/P 1
TOH
Un-defined
Scale Tag Value
In this zone SCLK and DOS requirements have to be met - See "User Notes - stopping DOS"
TVI
O/P 2
Scale Tag Value
O/P N
THZ
Characteristic
Symbol
Min
Max
Units
DEN Set Up Time
T_PS
10
ns
Host Strobe Width
T
10
ns
PW
DEN Hold Time
T_PH
5
ns
DAV in-active going Delay ( 30 pf load )
T_VI
15
ns
Output Enable Time ( see Fig 13 )
T_LZ
18
ns
Output Data Delay Time ( 30 pf load )
T
18
ns
DD
Output Disable Time ( see Fig 13 )
T
18
ns
HZ
Read Cycle Time
T
25
ns
RC
Old Data Hold Time
T
2
ns
OH
Table 3. Host Controlled Output Timing. ( Advanced Data )
AUX
O/P
PD_PS_DSP_P1₁6₆5₅1₁₅5
DIN
S3:0
SYSTEM
CLOCK
HHOOSSTT
SY^SYS^ST^TE^EM^M
Figure. 6. Host Controlled System
11