NXP Semiconductors LPC43 Series User Manual

Contents

NXP Semiconductors LPC43 Series User Manual Manual pdf 1137 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 1137 of 1269NXP Semiconductors UM10503Chapter 43: LPC43xx I2C-bus interfaceTable 1002.Slave Receiver modeStatusCode(STAT)Status of the I 2C-busand hardwareApplication software response Next action taken by I2C hardwareTo/From DAT To CONSTA STO SI AA0x60 Own SLA+W hasbeen received; ACKhas been returned.No DAT action or X 0 0 0 Data byte will be received and NOT ACKwill be returned.No DAT action X 0 0 1 Data byte will be received and ACK willbe returned.0x68 Arbitration lost inSLA+R/W as master;Own SLA+W hasbeen received, ACKreturned.No DAT action or X 0 0 0 Data byte will be received and NOT ACKwill be returned.No DAT action X 0 0 1 Data byte will be received and ACK willbe returned.0x70 General call address(0x00) has beenreceived; ACK hasbeen returned.No DAT action or X 0 0 0 Data byte will be received and NOT ACKwill be returned.No DAT action X 0 0 1 Data byte will be received and ACK willbe returned.0x78 Arbitration lost inSLA+R/W as master;General call addresshas been received,ACK has beenreturned.No DAT action or X 0 0 0 Data byte will be received and NOT ACKwill be returned.No DAT action X 0 0 1 Data byte will be received and ACK willbe returned.0x80 Previously addressedwith own SLVaddress; DATA hasbeen received; ACKhas been returned.Read data byte or X 0 0 0 Data byte will be received and NOT ACKwill be returned.Read data byte X 0 0 1 Data byte will be received and ACK willbe returned.0x88 Previously addressedwith own SLA; DATAbyte has beenreceived; NOT ACKhas been returned.Read data byte or 0 0 0 0 Switched to not addressed SLV mode; norecognition of own SLA or General calladdress.Read data byte 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.Read data byte 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.Read data byte 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.0x90 Previously addressedwith General Call;DATA byte has beenreceived; ACK hasbeen returned.Read data byte or X 0 0 0 Data byte will be received and NOT ACKwill be returned.Read data byte X 0 0 1 Data byte will be received and ACK willbe returned.