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参数资料
型号： WJLXT384LEB1
厂商： CORTINA SYSTEMS INC
元件分类： 数字传输电路
英文描述： DATACOM, PCM TRANSCEIVER, PQFP144
封装： 20 X 20MM, ROHS COMPLIANT, LQFP-144
文件页数： 52/140页
文件大小： 1514K
代理商： WJLXT384LEB1
19
Document Number: 248994
Revision Number: 005
Revision Date: November 28, 2005
Intel LXT384 Octal T1/E1/J1 S/H PCM Transceiver with JA
4.0
Multi-Function Pins
The LXT384 Transceiver has several pins that have more than one name and more than one
function, depending on the mode selected. This chapter lists the multi-function pins. Descriptions
of signal functions are in Chapter 5.0, “Signal Descriptions”.
4.1
Operating Mode Multi-Function Pins
Table 3 lists the MODE and MOT/INTL pin setting combinations that control the selection of
operating modes for the LXT384 Transceiver.
Table 4 lists LXT384 Transceiver pins that have different names and functions depending on the
specific operating mode selected. When the operating mode selected is the:
Hardware mode, Column 1 names and functions apply.
Host Processor mode with a parallel interface and the MOT/INTL pin is:
— Low, Column 2 names and functions apply to a Motorola processor with a parallel
interface.
— High, Column 3 names and functions apply to an Intel processor with a parallel
interface.
Host Processor mode with a serial interface, Column 4 names and functions apply to either a
Motorola processor or an Intel
processor used with a serial interface.
Table 3.
Operating Mode Selections
Pin Settings
Operating Mode Selected
MODE
MOT/INTL
Low
Connect either
low or high.
Hardware mode
High
Low
Host Processor mode - Motorola processor parallel interface
High
Host Processor mode - Intel processor parallel interface
VCC/2
Connect either
low or high.
Host Processor mode - Serial interface
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