Hi all,
There is some problem with using ALARMB pin for lead off detection.
The ALARMB pin connects a pull-uped resistor 1M ohm, and links to a GPIO pin of MCU.
Once enable LOD function, the output level of the ALARMB pin is alway low, with no interruption to MCU.
It is confused.
Thank you all !
The following is some settings of ads1293.
#define TI_ADS1293_LOD_CN_REG_VALUE (0x15)
#define TI_ADS1293_LOD_EN_REG_VALUE (0x03)
#define TI_ADS1293_LOD_CURRENT_REG_VALUE (0x0F)
#define TI_ADS1293_LOD_AC_CN_REG_VALUE (0x00)
#define TI_ADS1293_MASK_ERR_REG_VALUE (0xF7)
#define TI_ADS1293_ALARM_FILTER_REG_VALUE (0x33)