參數(shù)資料
型號: XRT83VSH316IB
廠商: Exar Corporation
文件頁數(shù): 51/98頁
文件大?。?/td> 0K
描述: IC LIU SH T1/E1/J1 16CH 316STBGA
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): 16/16
規(guī)程: T1,E1,J1
電源電壓: 3.14 V ~ 3.47 V
安裝類型: 表面貼裝
封裝/外殼: 316-LBGA
供應(yīng)商設(shè)備封裝: 316-STBGA(21x21)
包裝: 托盤
XRT83VSH316
52
REV. 1.0.1
16-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
6.2
Parallel Microprocessor Interface Block
The Parallel Microprocessor Interface section supports communication between the local microprocessor (P)
and the LIU. The XRT83VSH316 supports an Intel asynchronous interface, Motorola 68K asynchronous,
Power PC, and Motorola MPC8xx interface. The microprocessor interface is selected by the state of the
PTYPE[2:0] input pins. Selecting the microprocessor interface is shown in Table 15.
The XRT83VSH316 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 including two general purpose inputs/outputs (GPIO). The microprocessor interface also supports
polled and interrupt driven environments.
A simplified block diagram of the microprocessor is shown in
Figure 39.
TABLE 15: SELECTING THE MICROPROCESSOR INTERFACE MODE
PTYPE[2:0]
MICROPROCESSOR MODE
0h (000)
Intel 68HC11, 8051, 80C188
(Asynchronous)
1h (001)
Motorola 68K (Asynchronous)
5h (101)
Power PC (Synchronous)
7h (111)
Motorola MPC8260, MPC860
(Synchronous)
FIGURE 39. 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[9:0]
DATA[7:0]
CS5
CS4
CS3
CS2
CS1
GPIO2
GPIO1
CSdec[2:0]
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