你好。 我需要一些帮助。
我的ADS1299不起作用。 我只从他们那里得到0x80万。
这是我的寄存器
ID,0x00,0x3E,0,0, 1,1,1,1,1, 0
配置1,0x01,0xB6,1,0, 1,1,0,1,1, 0
CONFIIG2,0x02,0xD7,1,1, 0,1,0,1,1, 1.
CONFIIG3,0x03,0x60,0,1, 1,0,0,0,0, 0
LoFF,0x04,0x00,0,0, 0,0,0,0,0, 0
CH1SET,0x05,0x15,0,0, 0,1,0,1,0, 1.
CH2SET,0x06,0x81,1,0, 0,0,0,0,0, 1.
CH3SET,0x07,0x81,1,0, 0,0,0,0,0, 1.
CH4SET,0x08,0x81,1,0, 0,0,0,0,0, 1.
CH5SET,0x09,0x81,1,0, 0,0,0,0,0, 1.
CH6SET,0x0A,0x81,1,0, 0,0,0,0,0, 1.
CH7SET,0x0B,0x81,1,0, 0,0,0,0,0, 1.
CH8SET,0x0C,0x81,1,0, 0,0,0,0,0, 1.
BIAS-SENSP,0x0D,0x00,0,0, 0,0,0,0,0, 0
BIAS-SENSN,0x0E,0x00,0,0, 0,0,0,0,0, 0
LoFF_SENSP,0x0F,0x00,0,0, 0,0,0,0,0, 0
LoFF_SENSN,0x10,0x00,0,0, 0,0,0,0,0, 0
LoFF_flip,0x11,0x00,0,0, 0,0,0,0,0, 0
LoFF_STATP,0x12,0x00,0,0, 0,0,0,0,0, 0
LoFF_statn,0x13,0x00,0,0, 0,0,0,0,0, 0
GPIO,0x14,0x0F,0,0, 0,0,1,1,1, 1.
MISC1,0x15,0x00,0,0, 0,0,0,0,0, 0
MISC2,0x16,0x00,0,0, 0,0,0,0,0, 0
CONFIIG4,0x17,0x00,0,0, 0,0,0,0,0, 0
所以我决定测量电压。 我得到了:
DVDD +3.3V
AVCC + 2.5
AVSS - 2.5
CAP1 1.11
CAP2 2.45
CAP3 7.3 !!!!!!!!!!!
CAP4 2.4
为什么cap3上的电压这么大? 我可以做些什么来解决这个问题并获得正确的价值