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MCP2155-IP 数据表(PDF) 20 Page - Microchip Technology |
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MCP2155-IP 数据表(HTML) 20 Page - Microchip Technology |
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20 / 52 page ![]() ! '6$SDJH 3UHOLPLQDU\ 0LFURFKLS 7HFKQRORJ\ ,QF (;$03/( 3,&)[[ &RGH WR 3URJUDP WKH 'HYLFH ,' ;#define dtr PORTx, Pinx ; Must specify which Port and Which Pin ;#define cts PORTx, Pinx ; Must specify which Port and Which Pin ;#define rts PORTx, Pinx ; Must specify which Port and Which Pin ;#define clr PORTx, Pinx ; Must specify which Port and Which Pin ; ;***************************************************************** ; String Table ; This table stores a string, breg is the offset. The string ; is terminated by a null character. ;***************************************************************** string1 clrf PCLATH ; this routine is on page 0 movf breg, W ; get the offset addwf PCL, F ; add the offset to PC DT D'15' ; the first byte is the byte count DT "My IR ID String" ; UpdateID call deviceInit ; Initialize the PIC16Fxxx bcf clr ; place the MCP2155 in reset bsf dtr ; Force the DTR pin High for program mode bcf rts ; Force the RTS pin Low for program mode call delay1mS ; delay for 1 ms. bsf clr ; allow the MCP2155 to come out of reset ; clrf LoopCnt ; LoopCnt = 0 ctsLP1 call delay1mS ; delay for 1 ms. btfss cts ; if cts=0 then we're ready to program goto ctsLow ; MCP2155 is ready to receive data decfsz LoopCnt, F ; goto ctsLP1 ; NO, wait for MCP2155 to be ready goto StuckReset ; The MCP2150 did not exit reset, do your recovery ; in this routine. |
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