NXP Semiconductors LPC43 Series User Manual

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NXP Semiconductors LPC43 Series User Manual Manual pdf 1141 page image

UM10503 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.User manual Rev. 1.3 — 6 July 2012 1141 of 1269NXP Semiconductors UM10503Chapter 43: LPC43xx I2C-bus interfaceTable 1003.Slave Transmitter modeStatusCode(STAT)Status of the I 2C-busand hardwareApplication software response Next action taken by I2C hardwareTo/From DAT To CONSTA STO SI AA0xA8 Own SLA+R has beenreceived; ACK hasbeen returned.Load data byte or X 0 0 0 Last data byte will be transmitted andACK bit will be received.Load data byte X 0 0 1 Data byte will be transmitted; ACK will bereceived.0xB0 Arbitration lost inSLA+R/W as master;Own SLA+R has beenreceived, ACK hasbeen returned.Load data byte or X 0 0 0 Last data byte will be transmitted andACK bit will be received.Load data byte X 0 0 1 Data byte will be transmitted; ACK bit willbe received.0xB8 Data byte in DAT hasbeen transmitted;ACK has beenreceived.Load data byte or X 0 0 0 Last data byte will be transmitted andACK bit will be received.Load data byte X 0 0 1 Data byte will be transmitted; ACK bit willbe received.0xC0 Data byte in DAT hasbeen transmitted;NOT ACK has beenreceived.No DAT action or 0 0 0 0 Switched to not addressed SLV mode; norecognition of own SLA or General calladdress.No DAT action or 0 0 0 1 Switched to not addressed SLV mode;Own SLA will be recognized; General calladdress will be recognized ifADR[0] = logic 1.No DAT action or 1 0 0 0 Switched to not addressed SLV mode; norecognition of own SLA or General calladdress. A START condition will betransmitted when the bus becomes free.No DAT action 1 0 0 1 Switched to not addressed SLV mode;Own SLA will be recognized; General calladdress will be recognized ifADR[0] = logic 1. A START condition willbe transmitted when the bus becomesfree.0xC8 Last data byte in DAThas been transmitted(AA = 0); ACK hasbeen received.No DAT action or 0 0 0 0 Switched to not addressed SLV mode; norecognition of own SLA or General calladdress.No DAT action or 0 0 0 1 Switched to not addressed SLV mode;Own SLA will be recognized; General calladdress will be recognized ifADR[0] = logic 1.No DAT action or 1 0 0 0 Switched to not addressed SLV mode; norecognition of own SLA or General calladdress. A START condition will betransmitted when the bus becomes free.No DAT action 1 0 0 01 Switched to not addressed SLV mode;Own SLA will be recognized; General calladdress will be recognized ifADR.0 = logic 1. A START condition willbe transmitted when the bus becomesfree.