參數(shù)資料
型號(hào): XRT83VSH38
廠商: Exar Corporation
英文描述: 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: 8通道的T1/E1/J1短途線路接口單元
文件頁(yè)數(shù): 47/76頁(yè)
文件大小: 722K
代理商: XRT83VSH38
XRT83VSH38
44
REV. 1.0.7
8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
T
ABLE
16: M
OTOROLA
M
ODE
: M
ICROPROCESSOR
I
NTERFACE
S
IGNALS
XRT83VSH38
P
IN
N
AME
M
OTOROLA
E
QUIVALENT
P
IN
T
YPE
D
ESCRIPTION
ALE
AS
I
Address Strobe:
This active high signal is used to latch the contents on the
address bus ADDR[7:0]. The contents of the address bus are latched into the
ADDR[7:0] inputs on the falling edge of AS.
WR_R/W
R/W
I
Read/Write:
This input pin from the local
μP is used to inform the LIU
whether a Read or Write operation has been requested. When this pin is
pulled “High”, DS will initiate a read operation. When this pin is pulled
“Low”, DS will initiate a write operation.
RD_DS
DS
I
Data Strobe:
This active low input functions as the read or write signal from the
local
μP dependent on the state of R/W. When DS is pulled “Low” (If CS
is “Low”) the LIU begins the read or write operation.
RDY
DTACK
O
Data Transfer Acknowledge:
This active low signal is provided by the LIU
device. It indicates that the current read or write cycle is complete, and the LIU is
waiting for the next command.
相關(guān)PDF資料
PDF描述
XRT83VSH38IB 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT84L14 Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
XRT84L18 Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
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XRT84L38_06 Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
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