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EM78P451SWM Datasheet(PDF) 30 Page - ELAN Microelectronics Corp |
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EM78P451SWM Datasheet(HTML) 30 Page - ELAN Microelectronics Corp |
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30 / 54 page  EM78P451S 8-Bit Microcontroller with OTP ROM 26 • Product Specification (V1.0) 06.01.2004 (This specification is subject to change without further notice) MOV 0x0C,A MOV A,@0B11100000 ;Select clock edge and enable SPI MOV 0X0D,A START: WDTC BC 0X0C,1 ;Clear RBFIF flag MOV A,@0XFF MOV 0X05,A ;Show a signal at Port5 MOV 0X0A,A ;Move FF at read buffer MOV A,@0XAA ;Move AA at write buffer MOV 0X0B,A BS 0X0D,4 ;Start to shift SPI data NOP JBC 0X0D,4 ;Polling loop for checking SPI transmission completed JMP $-2 BC 0X03,2 CALL DELAY ;To catch the data from slaver MOV A,0X0A XOR A,@0X5A ;Compare the data from slaver JBS 0X03,2 JMP START FLAG: MOV A,@0X55 ;Show the signal when receiving correct data from slaver MOV 0X05,A CALL DELAY JMP START DELAY: ; (user’s program) EOP ORG 0XFFF JMP SETTING |
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