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ADS1015IDGST Datasheet(PDF) 8 Page - Texas Instruments |
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ADS1015IDGST Datasheet(HTML) 8 Page - Texas Instruments |
8 / 35 page VDD GND SCL SDA ADDR A T (ADS1014/5Only) LER AIN0 AIN1 AIN2(ADS1015Only) AIN3(ADS1015Only) SCL SDA 1 F 00n I C-Capabl Master e ( ) MSP430 2 ADS1 13/4/ 0 5 +3.3V VDD GND 1 F 00n +3.3V JTAG Serial AR /U T +3.3V 10kW 10kW ADS1013 ADS1014 ADS1015 SBAS473C – MAY 2009 – REVISED OCTOBER 2009 www.ti.com QUICKSTART GUIDE For example, to write to the configuration register to set the ADS1013/4/5 to continuous conversion mode This section provides a brief example of ADS1013/4/5 and then read the conversion result, send the communications. Refer to subsequent sections of this following bytes in this order: data sheet for more detailed explanations. Hardware for this design includes: one ADS1013/4/5 configured Write to Config register: with an I2C address of 1001000; a microcontroller First byte: 0b10010000 (first 7-bit I2C address with an I2C interface (TI recommends the MSP430 followed by a low read/write bit) product line); discrete components such as resistors, capacitors, and serial connectors; and a 2V to 5V Second byte: 0b00000001 (points to Config register) power supply. Figure 9 shows the basic hardware Third byte: 0b00000100 (MSB of the Config register configuration. to be written) The ADS1013/4/5 communicate with the master Fourth byte: 0b10000011 (LSB of the Config register (microcontroller) through an I2C interface. The master to be written) provides a clock signal on the SCL pin and data are transferred via the SDA pin. The ADS1013/4/5 never Write to Pointer register: drive the SCL pin. For information on programming First byte: 0b10010000 (first 7-bit I2C address and debugging the microcontroller being used, refer followed by a low read/write bit) to the device-specific product data sheet. Second byte: 0b00000000 (points to Conversion The first byte sent by the master should be the register) ADS1013/4/5 address followed by a bit that instructs the ADS1013/4/5 to listen for a subsequent byte. The Read Conversion register: second byte is the register pointer. Refer to Table 6 First byte: 0b10010001 (first 7-bit I2C address for a register map. The third and fourth bytes sent followed by a high read/write bit) from the master are written to the register indicated in the second byte. Refer to Figure 16 and Figure 17 for Second byte: the ADS1013/4/5 response with the read and write operation timing diagrams, MSB of the Conversion register respectively. All read and write transactions with the Third byte: the ADS1013/4/5 response with the LSB ADS1013/4/5 must be preceded by a start condition of the Conversion register and followed by a stop condition. Figure 9. Basic Hardware Configuration 8 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): ADS1013 ADS1014 ADS1015 |
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