參數(shù)資料
型號(hào): XRT83VSH314IB
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PBGA304
封裝: 31 X 31 MM, 1.27 MM PITCH, PLASTIC, BGA-304
文件頁(yè)數(shù): 51/80頁(yè)
文件大?。?/td> 497K
代理商: XRT83VSH314IB
XRT83VSH314
48
REV. 1.0.1
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
F
IGURE
35. M
OTOROLA
68K μP I
NTERFACE
S
IGNALS
D
URING
P
ROGRAMMED
I/O R
EAD
AND
W
RITE
O
PERATIONS
T
ABLE
19: M
OTOROLA
68K 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 DS (Pin RD_WE) Assert
65
-
ns
t
2
DS Assert to DTACK Assert
-
90
ns
NA
DS Pulse Width (t
2
)
90
-
ns
t
3
CS Falling Edge to AS (Pin ALE_TS) Falling Edge
0
-
ns
CS
ADDR[10:0]
ALE
_TS
DATA[7:0]
RD
_WE
WR
_R/W
RDY
_DTACK
Valid Data for Readback
Data Available to Write Into the LIU
READ OPERATION
WRITE OPERATION
t
0
t
0
t
1
t
2
MOTOROLA ASYCHRONOUS MODE
Valid Address
Valid Address
t
3
t
3
t
1
t
2
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