JAJSEC7E May 2009 – January 2018 ADS1013 , ADS1014 , ADS1015
PRODUCTION DATA.
The 16-bit Config register is used to control the operating mode, input selection, data rate, full-scale range, and comparator modes.
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
OS | MUX[2:0] | PGA[2:0] | MODE | |||||
R/W-1h | R/W-0h | R/W-2h | R/W-1h | |||||
7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
DR[2:0] | COMP_MODE | COMP_POL | COMP_LAT | COMP_QUE[1:0] | ||||
R/W-4h | R/W-0h | R/W-0h | R/W-0h | R/W-3h |
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset |
Bit | Field | Type | Reset | Description |
---|---|---|---|---|
15 | OS | R/W | 1h | Operational status or single-shot conversion start This bit determines the operational status of the device. OS can only be written when in power-down state and has no effect when a conversion is ongoing. When writing: 0 : No effect 1 : Start a single conversion (when in power-down state) When reading: 0 : Device is currently performing a conversion 1 : Device is not currently performing a conversion |
14:12 | MUX[2:0] | R/W | 0h | Input multiplexer configuration (ADS1015 only) These bits configure the input multiplexer. These bits serve no function on the ADS1013 and ADS1014. 000 : AINP = AIN0 and AINN = AIN1 (default) 001 : AINP = AIN0 and AINN = AIN3 010 : AINP = AIN1 and AINN = AIN3 011 : AINP = AIN2 and AINN = AIN3 100 : AINP = AIN0 and AINN = GND 101 : AINP = AIN1 and AINN = GND 110 : AINP = AIN2 and AINN = GND 111 : AINP = AIN3 and AINN = GND |
11:9 | PGA[2:0] | R/W | 2h | Programmable gain amplifier configuration These bits set the FSR of the programmable gain amplifier. These bits serve no function on the ADS1013. 000 : FSR = ±6.144 V(1) 001 : FSR = ±4.096 V(1) 010 : FSR = ±2.048 V (default) 011 : FSR = ±1.024 V 100 : FSR = ±0.512 V 101 : FSR = ±0.256 V 110 : FSR = ±0.256 V 111 : FSR = ±0.256 V |
8 | MODE | R/W | 1h | Device operating mode This bit controls the operating mode. 0 : Continuous-conversion mode 1 : Single-shot mode or power-down state (default) |
7:5 | DR[2:0] | R/W | 4h | Data rate These bits control the data rate setting. 000 : 128 SPS 001 : 250 SPS 010 : 490 SPS 011 : 920 SPS 100 : 1600 SPS (default) 101 : 2400 SPS 110 : 3300 SPS 111 : 3300 SPS |
4 | COMP_MODE | R/W | 0h | Comparator mode (ADS1014 and ADS1015 only) This bit configures the comparator operating mode. This bit serves no function on the ADS1013. 0 : Traditional comparator (default) 1 : Window comparator |
3 | COMP_POL | R/W | 0h | Comparator polarity (ADS1014 and ADS1015 only) This bit controls the polarity of the ALERT/RDY pin. This bit serves no function on the ADS1013. 0 : Active low (default) 1 : Active high |
2 | COMP_LAT | R/W | 0h | Latching comparator (ADS1014 and ADS1015 only) This bit controls whether the ALERT/RDY pin latches after being asserted or clears after conversions are within the margin of the upper and lower threshold values. This bit serves no function on the ADS1013. 0 : Nonlatching comparator . The ALERT/RDY pin does not latch when asserted (default). 1 : Latching comparator. The asserted ALERT/RDY pin remains latched until conversion data are read by the master or an appropriate SMBus alert response is sent by the master. The device responds with its address, and it is the lowest address currently asserting the ALERT/RDY bus line. |
1:0 | COMP_QUE[1:0] | R/W | 3h | Comparator queue and disable (ADS1014 and ADS1015 only) These bits perform two functions. When set to 11, the comparator is disabled and the ALERT/RDY pin is set to a high-impedance state. When set to any other value, the ALERT/RDY pin and the comparator function are enabled, and the set value determines the number of successive conversions exceeding the upper or lower threshold required before asserting the ALERT/RDY pin. These bits serve no function on the ADS1013. 00 : Assert after one conversion 01 : Assert after two conversions 10 : Assert after four conversions 11 : Disable comparator and set ALERT/RDY pin to high-impedance (default) |