比较实用的设计开发IC资料
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SP332 RS232RS485 MultiMode Serial Transceiver n 5VOnly Single Supply Operation n 4 Drivers 4 Receivers RS232 n 2 Drivers 2 Receivers RS485 n Loop Back Function for Self Test n 28 Pin SOIC Packaging DESCRIPTION The SP332 is a monolithic device that contains both RS232 and RS485 line drivers and receivers The configuration of the SP332 can be changed at any time by changing the logic state of two control input pins The device also includes a loop back function which internally connects driver out......
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