org 0000H AJMP START delay 1/4s subroutine YANSHI1S: MOV R7,# 250 YANSHI1S1: MOV R6,# 250 YANSHI1S2: NOP NOP DJNZ R6, YANSHI1S2 DJNZ R7, YANSHI1S1 RET will start single-or multi-byte 58 ( number of bytes in R3) into the chip XIENB: MOV R0,# 58H CLR P1.7 SCN low XIE00: ACALL XIE1B INC R0 DJNZ R3, XIE00 SETB P1.7 RET 1 unit will be referred to by SPI R0 Timing write module, call this routine before, CSN line should be low single or multiple calls to be completed after the CSN line goes high XIE1B: MOV R2,# 8 MOV A, @ R0 XIE1B1: RLC A MOV P1. 5, C data sent to the MOSI line SETB P1.4 data into the module CLR P1.4 DJNZ R2, XIE1B1 RET

遥控开关
........\发射
........\....\fashe.asm
........\接收
........\....\jieshou.asm
........\发射印刷版.JPG
........\发射电路图.JPG
........\接收印刷版图.JPG
........\接收电路图.JPG

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