Datasheet

AD7291 Data Sheet
Rev. C | Page 16 of 28
Table 9. AD7291 Register Addresses
Hex Code P5 P4 P3 P2 P1 P0 Registers Read/Write
0x00 0 0 0 0 0 0 Command register Write.
0x01 0 0 0 0 0 1 Voltage conversion result register Read.
0x02 0 0 0 0 1 0 T
SENSE
conversion result register Read.
0x03 0 0 0 0 1 1 T
SENSE
average result register Read.
0x04 0 0 0 1 0 0 CH0 DATA
HIGH
register Read/write.
0x05 0 0 0 1 0 1 CH0 DATA
LOW
register Read/write.
0x06 0 0 0 1 1 0 CH0 hysteresis register Read/write.
0x07 0 0 0 1 1 1 CH1 DATA
HIGH
register Read/write.
0x08 0 0 1 0 0 0 CH1DATA
LOW
register Read/write.
0x09
0
0
1
0
0
1
CH1 hysteresis register
Read/write.
0x0A 0 0 1 0 1 0 CH2 DATA
HIGH
register Read/write.
0x0B 0 0 1 0 1 1 CH2 DATA
LOW
register Read/write.
0x0C 0 0 1 1 0 0 CH2 hysteresis register Read/write.
0x0D 0 0 1 1 0 1 CH3 DATA
HIGH
register Read/write.
0x0E 0 0 1 1 1 0 CH3 DATA
LOW
register Read/write.
0x0F 0 0 1 1 1 1 CH3 hysteresis register Read/write.
0x10 0 1 0 0 0 0 CH4 DATA
HIGH
register Read/write.
0x11 0 1 0 0 0 1 CH4 DATA
LOW
register Read/write.
0x12 0 1 0 0 1 0 CH4 hysteresis register Read/write.
0x13 0 1 0 0 1 1 CH5 DATA
HIGH
register Read/write.
0x14 0 1 0 1 0 0 CH5 DATA
LOW
register Read/write.
0x15 0 1 0 1 0 1 CH5 hysteresis register Read/write.
0x16 0 1 0 1 1 0 CH6 DATA
HIGH
register Read/write.
0x17 0 1 0 1 1 1 CH6 DATA
LOW
register Read/write.
0x18 0 1 1 0 0 0 CH6 hysteresis register Read/write.
0x19 0 1 1 0 0 1 CH7 DATA
HIGH
register Read/write.
0x1A
0
1
1
0
1
0
CH7 DATA
LOW
register
Read/write.
0x1B 0 1 1 0 1 1 CH7 hysteresis register Read/write.
0x1C 0 1 1 1 0 0 T
SENSE
DATA
HIGH
register Read/write.
0x1D 0 1 1 1 0 1 T
SENSE
DATA
LOW
register Read/write.
0x1E 0 1 1 1 1 0 T
SENSE
hysteresis register Read/write.
0x1F
0
1
1
1
1
1
Alert Status Register A
Read.
0x20 1 0 0 0 0 0 Alert Status Register B Read.
0x3F 1 1 1 1 1 1 Factory test mode The user must not access this register.