GP2021 Datasheet, PDF (50/62 Pages) Mitel Networks Corporation – GPS 12 channel Correlator Advance Information

GP2021
MCLK
DBE
D<15:0>
A<22:20>
A<9:0>
NEEPROM/NSPARE_CS
NW
dbHnwH
adVneeL
ARM data
neeLnwL
neeL
nwL
nwHdbL
nwH
Description
NEEPROM Low
NEEPROM Low to NW0–3
NW0–3 Low
NW0–3 High
DBE High to NW0–3 High
NW0–3 High to DBE Low
Address Valid to NEEPROM Low
MCLK
Fig. 27 : ARM Mode RAM Read
Symbol
τ_neeL
τ_neeLnwL
τ _{nwL 1}
τ_nwH
τ_dbHnwH
τ_nwHdbL
τ_adVneeL
Min
348
11
50
200
150
168
2.5
neeLmcL
nrdLmcL
DBE
A<22:20>
A<9:0>
NEEPROM/NSPARE_CS
NRD
adVneeL
Max
Units
ns
ns
ns
ns
ns
ns
9
ns
mcLnrdH
nrdHdbH
D<15:0>
Description
NEEPROM Low to MCLK Low
NRD Low to MCLK Low
NRD High to DBE High
MCLK Low to NRD High
Address Valid to NEEPROM Low
Note: 1. +50ns / extra wait state
50
EEPROM/SPARE data
Fig. 27 : ARM Mode RAM Read
Symbol
τ_neeLmcL
τ_nrdLmcL
τ_nrdHdbH
τ_mcLnrdH
τ_adVneeL
Min
Max
124.5
117
65
2.5
10
2.5
9
Units
ns
ns
ns
ns
ns
Notes
1
1