参数资料
型号: XRT83SL314IB-L
厂商: Exar Corporation
文件页数: 40/83页
文件大小: 0K
描述: IC LIU SH T1/E1/J1 14CH 304TBGA
标准包装: 27
类型: 线路接口装置(LIU)
驱动器/接收器数: 14/14
规程: T1,E1,J1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 304-LBGA
供应商设备封装: 304-TBGA(31x31)
包装: 托盘
xr
XRT83SL314
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.1
42
5.0
MICROPROCESSOR INTERFACE BLOCK
The Microprocessor Interface section supports communication between the local microprocessor (P) and the
LIU. The XRT83SL314 supports an Intel asynchronous interface, Motorola 68K asynchronous, and a Motorola
Power PC interface.
The microprocessor interface is selected by the state of the PTS[2:0] input pins.
Selecting the microprocessor interface is shown in Table 14.
The XRT83SL314 uses multipurpose pins to configure the device appropriately. The local P configures the
LIU by writing data into specific addressable, on-chip Read/Write registers. The microprocessor interface
provides the signals which are required for a general purpose microprocessor to read or write data into these
registers. The microprocessor interface also supports polled and interrupt driven environments. A simplified
block diagram of the microprocessor is shown in Figure 38.
TABLE 14: SELECTING THE MICROPROCESSOR INTERFACE MODE
PTS[2:0]
MICROPROCESSOR MODE
0h (000)
Intel 68HC11, 8051, 80C188
(Asynchronous)
1h (001)
Motorola 68K (Asynchronous)
7h (111)
Motorola MPC8260, MPC860
Power PC (Synchronous)
FIGURE 38. SIMPLIFIED BLOCK DIAGRAM OF THE MICROPROCESSOR INTERFACE BLOCK
Microprocessor
Interface
WR_R/W
RD_WE
ALE
PType [2:0]
RDY_TA
Reset
Pclk
CS
INT
ADDR[10:0]
DATA[7:0]
CS5
CS4
CS3
CS2
CS1
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