參數(shù)資料
型號: XRT75L06IB-F
廠商: Exar Corporation
文件頁數(shù): 40/63頁
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 6CH 217BGA
標(biāo)準(zhǔn)包裝: 60
類型: 線路接口裝置(LIU)
驅(qū)動器/接收器數(shù): 6/6
規(guī)程: DS3,E3,STS-1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 217-BBGA
供應(yīng)商設(shè)備封裝: 217-BGA(23x23)
包裝: 托盤
XRT75L06
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
REV. 1.0.3
42
6.0
MICROPROCESSOR INTERFACE BLOCK
The Microprocessor Interface section supports communication between the local microprocessor (P) and the
LIU. The XRT75L06 supports a parallel interface asynchronously or synchronously timed to the LIU. The mi-
croprocessor interface is selected by the state of the Pmode input pin. Selecting the microprocessor interface
mode is shown in Table 11.
The local P configures the LIU by writing data into specific addressable, on-chip Read/Write registers. The
P provides the signals which are required for a general purpose microprocessor to read or write data into
these registers. The P also supports polled and interrupt driven environments. A simplified block diagram of
the microprocessor is shown in Figure 34.
TABLE 11: SELECTING THE MICROPROCESSOR INTERFACE MODE
PMODE
MICROPROCESSOR MODE
"Low"
Asynchronous Mode
"High"
Synchronous Mode
FIGURE 34. SIMPLIFIED BLOCK DIAGRAM OF THE MICROPROCESSOR INTERFACE BLOCK
Microprocessor
Interface
WR
RD
Pmode
RDY
RESET
PCLK
CS
INT
Addr[7:0]
D[7:0]
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