參數(shù)資料
型號: XRT86VL3x
廠商: Exar Corporation
元件分類: 通信及網絡
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 146/153頁
文件大?。?/td> 1316K
代理商: XRT86VL3X
XRT86VL3X
139
T1/E1/J1 FRAMER/LIU COMBO - ARCHITECTURE DESCRIPTION
REV. 1.2.2
F
IGURE
121. I
NTEL
μP I
NTERFACE
T
IMING
D
URING
P
ROGRAMMED
I/O R
EAD
AND
W
RITE
O
PERATIONS
W
HEN
ALE
I
S
T
IED
’HIGH’
T
ABLE
26: I
NTEL
M
ICROPROCESSOR
I
NTERFACE
T
IMING
S
PECIFICATIONS
S
YMBOL
P
ARAMETER
M
IN
M
AX
U
NITS
t
0
Valid Address to CS Falling Edge
0
-
ns
t
1
CS Falling Edge to RD Assert
0
-
ns
t
2
RD Assert to RDY Assert
-
320
ns
NA
RD Pulse Width (t
2
)
320
-
ns
t
3
CS Falling Edge to WR Assert
0
-
ns
t
4
WR Assert to RDY Assert
-
320
ns
NA
WR Pulse Width (t
4
)
320
-
ns
CS
ADDR[14:0]
ALE
DATA[7:0]
RD
WR
RDY
Valid Data for Readback
Data Available to Write Into the LIU
READ OPERATION
WRITE OPERATION
t
0
t
0
t
1
t
4
t
2
t
3
Valid Address
Valid Address
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