PIC: Read and write I2C program

PIC: Read and write I2C program I2cctr EQU 10HI2CAD EQU 11hREG3 EQU 12hREG2 EQU 13hREG1 EQU 14HREG0 EQU 15h GenR0 EQU 8hgenr1 EQU 9Hbit_Count EQU 9HGENR2 EQU 0AHBYTE_COUNT EQU 0AH movlw 4Hwrite MOVWF BYTE_COUNT MOVLW B8583WWR_ABC MOVWF I2CCTR MOVFW GENR0; WR_MEM MOVWF I2CADWR_MEM0 MOVLW IORA TRIS RA BSF RA, SCL MOVLW I2CCTR + $ 20 MOVWF FSRM_START NOP BTFSS RA, SDA RETLW 0FFH; GOTO ^ -1 MOVLW E2out Tris Ra NOP BCF RA, SDA TO STARTNXBYWR_BYTE MOVLW 8H MOVWF BIT_COUNTBIT_LOOP NOP RLF 0H BCF RA, SCL BTFSS 3,0 Goto ^ + 3 BSF RA, SDA GOTO ^ + 2 BCF RA, SDA NOP NOP BSF RA, SCL DECFSZ BIT_COUNT GOTO BIT_LOOP NOP NOP BCF RA, SCL NOPACKG NOP MOVLW IORA Tris RA BSF RA, SCL NOP BTFSC RA, SDA GOTO ACKG INCF FSR NOP bcf RA, SCL MOVLW E2OUT TRIS RA DECFSZ BYTE_COUNT GOTO NXBY; W_STOP MOVLW I2CAD + $ 0A2 SUBWF FSR, W BTFSS 3,0 RETLW 0HM_STOP BCF RA, SDA NOP BSF RA, SCL MOVLW IORA NOP NOP NOP BSF RA, SDA TRIS Ra RetLW 0H ; ------------------------------; ST_CMEMAD MOVFW GenR0 MOVWF I2CAD MOVLW C02W MOVWF I2CCTR MOVLW C02R MOVWF REG3; ST_MEMAD MOVLW 2 MOVWF BYTE_COUNT CALL WR_MEM0 MOVLW 1 MOVWF BYTE_COUNT MOVFW REG3 MOVWF I2CCTR CALL WR_MEM0 RETLW 0H; ------------------------------------------------------------------------------------------------------------------------------- RD_BYTES MOVWF BYTE_COUNT MOVLW REG3 + $ 20 MOVWF FSRRNXTB BCF RA, SCL MOVLW IORA Tris Ra MoVLW 8H MOVWF BIT_COUNTRNX BCF RA, SCL NOP BCF 3H, 0 BTFSC RA, SDA BSF 3H, 0 RLF 0H BSF RA, SCL NOP DECFSZ BIT_COUNT GOTO RNX INCF FSR MOVLW E2OUT BCF RA, SCL TRIS RA DECFSZ BYTE_COUNT GOTO T_ACKGR_STOP CALL M_STOP RETLW 0H; T_ACKG BCF RA, SDA NOP BSF RA, SCL XORLW 0FFH XORLW 0FFH XORLW 0FFH Goto RNXTB, Technology Zone Alexa voice service software extension STM32Cube Combined with DNN API drivers to drive future neural network applications Four integration design for high-end mobile communications and automotive markets A frame capture open source graphic debugger application design The latest security technology that is about to be standard configuration: Rear view camera system

Our other product:

Professional lightning protection system for Tower	Professional FM Radio Station Equipment Package	FMUSER FU-1000C 1000W FM Transmitter With USB Audio Input Interface
FMUSER 200W FM Radio Broadcasting Package	Hotel IPTV Solution	FMUSER FSN-1000T V5.0 1KW FM Radio Broadcast Transmitter