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80C554 Datasheet(PDF) 61 Page - NXP Semiconductors |
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80C554 Datasheet(HTML) 61 Page - NXP Semiconductors |
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61 / 76 page  Philips Semiconductors Preliminary specification 80C554/83C554/87C554 80C51 8-bit microcontroller – 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP 2000 Nov 10 61 !– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – ! STATE : B8, DATA has been transmitted, ACK received. ! ACTION : DATA will be transmitted, ACK bit is received. !– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – .sect stsb8 .base 0x1b8 01B8 75D018 mov psw,#SELRB3 01BB 87DA mov S1DAT,@r1 01BD 01F8 ajmp SCON .sect scn .base 0xf8 00F8 75D8C5 SCON: mov S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0 ! clr SI, set AA 00FB 09 inc r1 00FC D0D0 pop psw 00FE 32 reti !– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – ! STATE : C0, DATA has been transmitted, NOT ACK received. ! ACTION : Enter not addressed SLV mode. !– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – .sect stsc0 .base 0x1c0 01C0 75D8C5 mov S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0 ! clr SI, set AA 01C3 D0D0 pop psw 01C5 32 reti !– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – ! STATE : C8, Last DATA has been transmitted (AA=0), ACK received. ! ACTION : Enter not addressed SLV mode. !– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – .sect stsc8 .base 0x1c8 01C8 75D8C5 mov S1CON,#ENS1_NOTSTA_NOTSTO_NOTSI_AA_CR0 ! clr SI, set AA 01CB D0D0 pop psw 01CD 32 reti !******************************************************************************************************** !******************************************************************************************************** ! END OF SI01 INTERRUPT ROUTINE !******************************************************************************************************** !******************************************************************************************************** |
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