参数资料
型号: GP2021
厂商: Mitel Networks Corporation
英文描述: GPS 12 channel Correlator Advance Information
中文描述: 全球定位系统12通道相关器研究进展信息
文件页数: 46/62页
文件大小: 372K
代理商: GP2021
50
GP2021
MCLK
DBE
D<15:0>
A<22:20>
NEEPROM/NSPARE_CS
NW
ARM data
dbHnwH
nwHdbL
adVneeL
neeLnwL
neeL
nwL
nwH
A<9:0>
EEPROM/SPARE data
D<15:0>
NRD
MCLK
NEEPROM/NSPARE_CS
A<22:20>
DBE
neeLmcL
nrdLmcL
adVneeL
nrdHdbH
mcLnrdH
A<9:0>
Fig. 27 : ARM Mode RAM Read
Description
Symbol
Min
Max
Units
NEEPROM Low
τ
neeL
348
ns
NEEPROM Low to NW0–3
τ
neeLnwL
11
ns
NW0–3 Low
τ
nwL 1
50
ns
NW0–3 High
τ
nwH
200
ns
DBE High to NW0–3 High
τ
dbHnwH
150
ns
NW0–3 High to DBE Low
τ
nwHdbL
168
ns
Address Valid to NEEPROM Low
τ
adVneeL
2.5
9
ns
Fig. 27 : ARM Mode RAM Read
Description
Symbol
Min
Max
Units
Notes
NEEPROM Low to MCLK Low
τ
neeLmc
L
124.5
ns
1
NRD Low to MCLK Low
τ
nrdLmcL
117
ns
1
NRD High to DBE High
τ
nrdHdbH
65
ns
MCLK Low to NRD High
τ
mcLnrdH
2.5
10
ns
Address Valid to NEEPROM Low
τ
adVneeL
2.5
9
ns
Note: 1. +50ns / extra wait state
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