现在要做环氧乙烷的检测，在lmp91000偏压配置这块要求是偏压为300mv，我查看数据手册只用改refcn寄存器就行，原来是0x90,试过了不行。我改成0x97,0x96,0x16,0x17都不行。求助
#define LMP91000_I2C_Address (0x90) // Device Address
#define LMP91000_STATUS_REG (0x00) /* Read only status register */
#define LMP91000_LOCK_REG (0x01) /* Protection Register */
#define LMP91000_TIACN_REG (0x10) /* TIA Control Register */
#define LMP91000_REFCN_REG (0x11) /* Reference Control Register*/
#define LMP91000_MODECN_REG (0x12) /* Mode Control Register */
#define LMP91000_WRITE_LOCK (0x01)
#define LMP91000_WRITE_UNLOCK (0x00)
#define LMP91000_READY (0x01)
#define LMP91000_NOT_READY (0x00)
//#define LMP91000_TIACN_REG_VALUE (0x10) /* TIA_GAIN = 14kohm, RLOAD = 10ohm */
#define LMP91000_TIACN_REG_VALUE (0x13) /* TIA_GAIN = 7kohm, RLOAD = 10ohm */
#define LMP91000_REFCN_REG_VALUE (0x90) //90 /* External Ref, INT_Z 67%, 0% bias */
#define LMP91000_MODECN_REG_VALUE (0x03) //03 /* 3lead */
