參數(shù)資料
型號: AD6635BB
廠商: ANALOG DEVICES INC
元件分類: 無繩電話/電話
英文描述: 4-Channel, 80 MSPS WCDMA Receive Signal Processor (RSP)
中文描述: TELECOM, CELLULAR, BASEBAND CIRCUIT, PBGA324
封裝: 19 X 19 MM, PLASTIC, BGA-324
文件頁數(shù): 22/60頁
文件大?。?/td> 799K
代理商: AD6635BB
REV. 0
–22–
AD6635
TIMING DIAGRAMS – MNM Microport Mode (MODE = 1)
VALID ADDRESS
VALID DATA
CLK0
CLK1
DS
(
RD
)
RW (
WR
)
CS0
CS1
A[2:0]
D[7:0]
DTACK
(RDY)
NOTES
1.
t
ACC
ACCESS TIME DEPENDS ON THE ADDRESS ACCESSED. ACCESS TIME IS MEASURED
FROM FE OF
DS
TO THE FE OF
DTACK
.
2.
t
ACC
REQUIRES A MAXIMUM OF 9 CLK PERIODS.
t
SC
t
HC
t
HDS
t
HRW
t
HAM
t
ACC
t
SAM
t
HAM
t
SAM
t
DDTACK
Figure 22. MNM Microport Write Timing Requirements. CLK0 corresponds to
CS0
, and CLK1 to
CS1
.
CS0
and
CS1
both active (low) at the same time will cause errors in writing.
CLK0
CLK1
DS
(
RD
)
RW (
WR
)
A[2:0]
D[7:0]
DTACK
(RDY)
t
SC
t
ACC
t
DDTACK
NOTES
1.
t
ACC
ACCESS TIME DEPENDS ON THE ADDRESS ACCESSED. ACCESS TIME IS MEASURED
FROM THE FE OF
DS
TO THE FE OF
DTACK
.
2.
t
ACC
REQUIRES A MAXIMUM OF 13 CLK PERIODS.
VALID ADDRESS
VALID DATA
t
SAM
t
HC
t
HDS
t
HAM
CS0
CS1
Figure 23. MNM Microport Read Timing Requirements. CLK0 corresponds to
CS0
, and CLK1 to
CS1
.
CS0
and
CS1
both active (low) at the same time will cause contention on data bus.
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