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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC1288CS8 датащи(PDF) 21 Page - Linear Technology |
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LTC1288CS8 датащи(HTML) 21 Page - Linear Technology |
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21 / 24 page  21 LTC1285/LTC1288 LABEL MNEMONIC OPERAND COMMENTS LDAA #$50 CONFIGURATION DATA FOR SPCR STAA $1028 LOAD DATA INTO SPCR ($1028) LDAA #$1B CONFIG. DATA FOR PORT D DDR STAA $1009 LOAD DATA INTO PORT D DDR LDAA #$01 LOAD DIN WORD INTO ACC A STAA $50 LOAD DIN DATA INTO $50 LDAA #$A0 LOAD DIN WORD INTO ACC A STAA $51 LOAD DIN DATA INTO $51 LDAA #$00 LOAD DUMMY DIN WORD INTO ACC A STAA $52 LOAD DUMMY DIN DATA INTO $52 LDX #$1000 LOAD INDEX REGISTER X WITH $1000 LOOP BCLR $08,X,#$01 D0 GOES LOW (CS GOES LOW) LDAA $50 LOAD DIN INTO ACC A FROM $50 STAA $102A LOAD DIN INTO SPI, START SCK LDAA $1029 CHECK SPI STATUS REG WAIT1 BPL WAIT1 CHECK IF TRANSFER IS DONE LDAA $51 LOAD DIN INTO ACC A FROM $51 STAA $102A LOAD DIN INTO SPI, START SCK WAIT2 LDAA $1029 CHECK SPI STATUS REG BPL WAIT2 CHECK IF TRANSFER IS DONE LDAA $102A LOAD LTC1288 MSBs INTO ACC A STAA $62 STORE MSBs IN $62 LDAA $52 LOAD DUMMY INTO ACC A FROM $52 STAA $102A LOAD DUMMY DIN INTO SPI, START SCK WAIT3 LDAA $1029 CHECK SPI STATUS REG BPL WAIT3 CHECK IF TRANSFER IS DONE BSET $08,X#$01 DO GOES HIGH (CS GOES HIGH) LDAA $102A LOAD LTC1288 LSBs IN ACC STAA $63 STORE LSBs IN $63 JMP LOOP START NEXT CONVERSION LABEL MNEMONIC OPERAND COMMENTS Timing Diagram for Interface to the MC68HC11 Hardware and Software Interface to the MC68HC11 CS CLK DOUT MPU RECEIVED WORD LTC1285/88 • TA03 SGL/ DIFF START B3 B7 B6 B5 B4 B2 B0 B1 B11 B10 B9 B8 DIN MPU TRANSMIT WORD BYTE 3 (DUMMY) BYTE 2 00 00 SGL/ DIFF 1 BYTE 1 X ODD/ SIGN MSBF X X X X 00 0 X X X XX X X X BYTE 3 BYTE 2 BYTE 1 B11 ? ? ? 0 B10 B8 B9 B7 B6 B4 B5 B3 B2 B0 B1 DON'T CARE ODD/ SIGN ? ?? ? ? ?? ? MSBF LTC1285/88 • TA04 DOUT FROM LTC1298 STORED IN MC68HC11 RAM B2 B1 B0 B3 B4 B6 B7 B5 0 0 LSB MSB #62 #63 0 0 B11 B10 B9 B8 CLK DOUT CS ANALOG INPUTS D0 SCK MC68HC11 DIN MISO LTC1288 CH0 CH1 BYTE 1 BYTE 2 MOSI TYPICAL APPLICATIONS N |
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