參數(shù)資料
型號: XRT75R06DIB
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
中文描述: DATACOM, PCM TRANSCEIVER, PBGA217
封裝: 23 X 23 MM, BGA-217
文件頁數(shù): 48/105頁
文件大?。?/td> 591K
代理商: XRT75R06DIB
XRT75R06D
REV. 1.0.0
á
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
43
7.0
The Microprocessor Interface section supports communication between the local microprocessor (μP) and the
LIU. The XRT75R06D supports a parallel interface asynchronously or synchronously timed to the LIU. The
microprocessor interface is selected by the state of the Pmode input pin. Selecting the microprocessor inter-
face mode is shown in Table 11.
MICROPROCESSOR INTERFACE BLOCK
The local μP configures the LIU by writing data into specific addressable, on-chip Read/Write registers. The
μP provides the signals which are required for a general purpose microprocessor to read or write data into
these registers. The μP also supports polled and interrupt driven environments. A simplified block diagram of
the microprocessor is shown in Figure 35.
T
ABLE
11: S
ELECTING
THE
M
ICROPROCESSOR
I
NTERFACE
M
ODE
P
MODE
M
ICROPROCESSOR
M
ODE
"Low"
Asynchronous Mode
"High"
Synchronous Mode
F
IGURE
35. S
IMPLIFIED
B
LOCK
D
IAGRAM
OF
THE
M
ICROPROCESSOR
I
NTERFACE
B
LOCK
Microprocessor
Interface
WR
RD
Pmode
RDY
INT
RESET
PCLK
CS
Addr[7:0]
D[7:0]
相關(guān)PDF資料
PDF描述
XRT75R06 SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R06IB SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R12D TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75R12DIB TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75R12 TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
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