AMIS-50050 Datasheet, PDF (8/10 Pages) AMI SEMICONDUCTOR – Spread Spectrum Baseband Controller

AMIS-50050: Spread Spectrum Baseband Controller
Wireless Products
6.0 Microcontroller Interface Read/Write Timing
6.1 Read Timing Characteristics
Table 9: Read Timing Characteristics
Symbol
Parameter
Tcsd
Trd
Tcsdz
Read chip select low to valid data out
Read low to valid data out
Chip select high to data bus disable
Trdz
Read high to data bus disable
Tcsur
Read chip select setup
Tchr
Read chip select hold
Tadrsur
Read address setup
Note: See Figure 4: Read Timing Diagram
6.2 Write Timing Characteristics
Table 10: Write Timing Characteristics
Symbol
Parameter
Tcsuw
Write chip select setup
Tchw
Tadrsuw
Tadrh
Write chip select hold
Write address setup
Write address hold
Tdsu
Write data setup time
Tdh
Write data hold
Note: See Figure 5: Write Timing Diagram
Min.
0
10
10
Max.
60
60
25
25
Units
nS
nS
nS
nS
nS
nS
nS
Max.
0
10
10
10
15
10
Units
nS
nS
nS
nS
nS
nS
Data Sheet
Figure 4: Microcontroller Read Timing
AMI Semiconductor – Sept. 06
8
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