GP2021 Datasheet, PDF (47/62 Pages) Mitel Networks Corporation – GPS 12 channel Correlator Advance Information

GP2021
MCLK
ARM internal
Address
ARM_ALE
A<22:20>
A<9:0>
DBE
D<15:0>
mcLalH
VALID
mcHalL
mcHdbH
VALID
VALID
mcLdbL
Description
MCLK Low to ALE High
MCLK High to ALE Low
MCLK Low to DBE Low
MCLK High to DBE High
Fig. 25 :GP2021 - ARM60 Interfsce
Symbol
τ_mcLaIH
τ_mcHaIL
τ_mcLdbL
τ_mcHdbH
Min
–0.5
0
0.5
0.5
Max
Units
0
ns
0.5
ns
1.5
ns
1.5
ns
MCLK
DBE
D<15:0>
A<22:20>
NRAM
NW
adVnraL
ARM data
dbHnwH
nraLnwH
nwL
mcLnwH
Description
NRAM Low to NW0–3 High
MCLK Low to NW0–3 High
DBE High to NW0–3 High
NW0–3 Low
Address Valid to NRAM Low
Fig. 26 :ARM Mode RAM Write
Symbol
τ_nraLnwH
τ_mcLnwH
τ_dbHnwH
τ_nwL
τ_adVnraL
Min
32
0.5
25
22
2
Max
Units
46
ns
3
ns
27
ns
24.5
ns
9
ns
47