PDSP16488A Zarlink Semiconductor, PDSP16488A Datasheet - Page 18

• Manufacturer Part Number: PDSP16488A
• Description: Single Chip 2D Convolver
• Manufacturer: Zarlink Semiconductor

18
PDSP16488A
Switching Characteristics for Host mode
NOTES
1. If REPLY is not used, time is referenced to the rising edge of DS and when set up must be N3
2. Equivalent to PC0 to PC1 delay
Host address/data setup time
Read setup time to prevent Write
Host signal hold time
Expansion in to data out in
Delay from
Coefficient read time
Coefficients valid time before
DS
CE
CE
PROG
PROG
PC1
hold time after
setup time
hold time
high delay after
setup time
hold time
DS
Characteristic
HOST DATA OUTPUT FROM FIRST DEVICE
PC1 FROM MASTER OR SINGLE DEVICE
low to
R E P LY
PC1 FROM LAST DEVICE (REPLY)
DS
PC1
ADDRESS/DATA FROM HOST
high
COEFFICIENT OUTPUT, X7:0
PROG
low (Note 2)
low
REPLY
mode
R/W FROM HOST
Symbol
PROG
DS
CE
Min.
20
10
0
5
0
0
0
0
5
Fig. 10 Host timing
Value
Max.
DATUM
30
50
50
50
t
t
t
EXP
RSU
ACC
Units
t
t
t
t
t
CSU
HSU
DEL
PSU
RA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
VALID
Only applicable for Read ops and if
Only applicable if
Must always be guaranteed
No clocks are needed in
Greater than
Defines
From Master or Single device
VALID
DS
t
t
t
HH
PCH
t
WAIT
DSH
high time
t
DEL
> t
t
t
PCH
CH
PH
under all conditions
for N devices.
REPLY
Conditions
PROG
is used (Note 1)
mode
REPLY
is used