LPC Microcontrollers中的主题 LPC1769 I2C Help https://community.nxp.com/t5/LPC-Microcontrollers/LPC1769-I2C-Help/m-p/519586#M3240 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by odel1830 on Thu Feb 27 13:53:22 MST 2014</STRONG><BR /><SPAN>I am writing code to interact with a temp sensor, I am having some trouble with it. </SPAN><BR /><BR /><SPAN>I am looking at the LPC17xx User manual, Chpt 19.10.5.3. I am looking at State: 0x08 and I am trying to transmit a start condition. State 0x08 is below. My question is about parts 4, 5, and 6. I don't understand how to set those up. Can anyone help?</SPAN><BR /><BR /><BR /><SPAN>State: 0x08</SPAN><BR /><BR /><SPAN>A START condition has been transmitted. The Slave Address + R/W bit will now be</SPAN><BR /><SPAN>transmitted.</SPAN><BR /><BR /><SPAN>1. Write Slave Address with R/W bit to I2DAT.</SPAN><BR /><SPAN>2. Write 0x04 to I2CONSET to set the AA bit.</SPAN><BR /><SPAN>3. Write 0x08 to I2CONCLR to clear the SI flag.</SPAN><BR /><SPAN>4. Set up Master Transmit mode data buffer.</SPAN><BR /><SPAN>5. Set up Master Receive mode data buffer.</SPAN><BR /><SPAN>6. Initialize Master data counter.</SPAN><BR /><SPAN>7. Exit</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:40:36 GMT lpcware 2016-06-15T17:40:36Z LPC1769 I2C Help https://community.nxp.com/t5/LPC-Microcontrollers/LPC1769-I2C-Help/m-p/519586#M3240 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by odel1830 on Thu Feb 27 13:53:22 MST 2014</STRONG><BR /><SPAN>I am writing code to interact with a temp sensor, I am having some trouble with it. </SPAN><BR /><BR /><SPAN>I am looking at the LPC17xx User manual, Chpt 19.10.5.3. I am looking at State: 0x08 and I am trying to transmit a start condition. State 0x08 is below. My question is about parts 4, 5, and 6. I don't understand how to set those up. Can anyone help?</SPAN><BR /><BR /><BR /><SPAN>State: 0x08</SPAN><BR /><BR /><SPAN>A START condition has been transmitted. The Slave Address + R/W bit will now be</SPAN><BR /><SPAN>transmitted.</SPAN><BR /><BR /><SPAN>1. Write Slave Address with R/W bit to I2DAT.</SPAN><BR /><SPAN>2. Write 0x04 to I2CONSET to set the AA bit.</SPAN><BR /><SPAN>3. Write 0x08 to I2CONCLR to clear the SI flag.</SPAN><BR /><SPAN>4. Set up Master Transmit mode data buffer.</SPAN><BR /><SPAN>5. Set up Master Receive mode data buffer.</SPAN><BR /><SPAN>6. Initialize Master data counter.</SPAN><BR /><SPAN>7. Exit</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:40:36 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC1769-I2C-Help/m-p/519586#M3240 lpcware 2016-06-15T17:40:36Z