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93LC66 Datasheet(PDF) 5 Page - Microchip Technology |
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93LC66 Datasheet(HTML) 5 Page - Microchip Technology |
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5 / 22 page  © 1994 Microchip Technology Inc. DS00560D-page 5 Using the 93LC56 and 93LC66 8 0189 003A 0C08 movlw .8 ; set number of addresses to 0190 003B 0033 movwf bytcnt ; read as 8 0191 ; 0192 003C 0901 rbyte call BSTART ; generate the start bit 0193 003D 0C02 movlw .2 ; set # bits to 2 0194 003E 0032 movwf bits ; 0195 003F 0C80 movlw b’10000000' ; get opcode (10b) 0196 0040 0030 movwf txbuf ; into output buffer 0197 0041 0929 call TX ; and transmit it 0198 0042 0C08 movlw .8 ; 0199 0043 0032 movwf bits ; set number of bits to 8 0200 0044 020C movf addr,w ; get the address 0201 0045 0030 movwf txbuf ; into the output buffer 0202 0046 0929 call TX ; and transmit it 0203 0204 0047 0914 call RX ; read the high byte 16c5x/7x Cross-Assembler V4.12 Released Mon Jun 06 10:49:10 1994 Page 5 Line PC Opcode 0205 0048 020D movf datai,w ; move input data to w 0206 0049 0037 movwf hbyte ; xfer it to high byte 0207 0208 004A 0914 call RX ; read the low byte 0209 004B 020D movf datai,w ; move input data to w 0210 004C 0037 movwf hbyte ; xfer it to low byte 0211 0212 004D 0486 bcf port_b,chpsel ; clear the chip select line 0213 0214 004E 02AC incf addr ; add 1 to the address 0215 004F 02F3 decfsz bytcnt ; have all bytes been read? 0216 0050 0A3C goto rbyte ; no, read another byte 0217 0051 0A38 goto READ ; yes, start over 0218 0000 END 8-103 |
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