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PCA9564PW-T Datasheet(PDF) 11 Page - NXP Semiconductors |
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PCA9564PW-T Datasheet(HTML) 11 Page - NXP Semiconductors |
11 / 32 page Philips Semiconductors Product data sheet PCA9564 Parallel bus to I2C-bus controller 2006 Sep 01 11 Table 2. Master Transmitter Mode STATUS STATUS OF THE APPLICATION SOFTWARE RESPONSE STATUS CODE (I2CSTA) STATUS OF THE I2C BUS AND SIO HARDWARE TO/FROM I2CDAT TO I2CCON NEXT ACTION TAKEN BY SIO HARDWARE (I2CSTA) SIO HARDWARE TO/FROM I2CDAT STA STO SI AA 08H A START condition has been transmitted Load SLA+W X X 0 X SLA+W will be transmitted; ACK bit will be received 10H A repeated START diti h b Load SLA+W or X X 0 X As above condition has been transmitted Load SLA+R X X 0 X SLA+R will be transmitted; SIO will be switched to MST/REC mode 18H SLA+W has been transmitted; ACK has bi d Load data byte or 0 0 0 X Data byte will be transmitted; ACK bit will be received been received no I2CDAT action or 1 0 0 X Repeated START will be transmitted; no I2CDAT action or 0 1 0 X STOP condition will be transmitted; STO flag will be reset no I2CDAT action 1 1 0 X STOP condition followed by a START condition will be transmitted; STO flag will be reset 20H SLA+W has been transmitted; NOT ACK hb i d Load data byte or 0 0 0 X Data byte will be transmitted; ACK bit will be received has been received no I2CDAT action or 1 0 0 X Repeated START will be transmitted; no I2CDAT action or 0 1 0 X STOP condition will be transmitted; STO flag will be reset no I2CDAT action 1 1 0 X STOP condition followed by a START condition will be transmitted; STO flag will be reset 28H Data byte in I2CDAT has been transmitted; ACK h b i d Load data byte or 0 0 0 X Data byte will be transmitted; ACK bit will be received ACK has been received no I2CDAT action or 1 0 0 X Repeated START will be transmitted; no I2CDAT action or 0 1 0 X STOP condition will be transmitted; STO flag will be reset no I2CDAT action 1 1 0 X STOP condition followed by a START condition will be transmitted; STO flag will be reset 30H Data byte in I2CDAT has been transmitted; NOT ACK h b Load data byte or 0 0 0 X Data byte will be transmitted; ACK bit will be received NOT ACK has been received no I2CDAT action or 1 0 0 X Repeated START will be transmitted; received no I2CDAT action or 0 1 0 X STOP condition will be transmitted; STO flag will be reset no I2CDAT action 1 1 0 X STOP condition followed by a START condition will be transmitted; STO flag will be reset 38H Arbitration lost in SLA+W or Db No I2CDAT action or 0 0 0 X I2C-bus will be released; not addressed slave will be entered Data bytes No I2CDAT action 1 0 0 X A START condition will be transmitted when the bus becomes free (STOP or SCL and SDA high) |
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