参数资料
型号: XRT73R06IB
厂商: Exar Corporation
文件页数: 44/68页
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 6CH 217BGA
标准包装: 126
类型: 线路接口装置(LIU)
驱动器/接收器数: 6/6
规程: DS3,E3,STS-1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 217-BBGA
供应商设备封装: 217-BGA(23x23)
包装: 托盘
á
XRT73R06
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.0.0
46
7.0
MICROPROCESSOR INTERFACE BLOCK
The Microprocessor Interface section supports communication between the local microprocessor (P) and the
LIU. The XRT73R06 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 35.
TABLE 11: SELECTING THE MICROPROCESSOR INTERFACE MODE
PMODE
MICROPROCESSOR MODE
"Low"
Asynchronous Mode
"High"
Synchronous Mode
FIGURE 35. 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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