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AD7152 Datasheet(PDF) 13 Page - Analog Devices |
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AD7152 Datasheet(HTML) 13 Page - Analog Devices |
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13 / 24 page  Data Sheet AD7152/AD7153 Rev. A | Page 13 of 24 REGISTER MAP The master can write to or read from all of the registers except the address pointer register, which is a write-only register. The address pointer register determines which register the next read or write operation accesses. All communications with the device through the bus start with an access to the address pointer register. After the device has been accessed over the bus and a read/write operation is selected, the address pointer register is set up. The address pointer register determines from or to which register the operation takes place. A read/write operation is performed from/to the target address, which then increments to the next address until a stop command on the bus is performed. Table 6. Register Summary Register Name Subaddress Access Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Default Value Dec Hex Status 0 0x00 R PWDN Unused Unused Unused Unused C1C2 RDY2 RDY1 0x03 Channel 1 Data MSB 1 0x01 R Channel 1 data, high byte 0x00 Channel 1 Data LSB 2 0x02 R Channel 1 data, low byte 0x00 Channel 2 Data MSB1 3 0x03 R Channel 2 data, high byte 0x00 Channel 2 Data LSB 4 0x04 R Channel 2 data, low byte 0x00 Channel 1 Offset MSB 5 0x05 R/W Channel 1 offset calibration coefficient, high byte 0x80 Channel 1 Offset LSB 6 0x06 R/W Channel 1 offset calibration coefficient, low byte 0x00 Channel 2 Offset MSB1 7 0x07 R/W Channel 2 offset calibration coefficient, high byte 0x80 Channel 2 Offset LSB1 8 0x08 R/W Channel 2 offset calibration coefficient, low byte 0x00 Channel 1 Gain MSB 9 0x09 R/W Channel 1 gain coefficient, high byte, factory calibrated 0xXX Channel 1 Gain LSB 10 0x0A R/W Channel 1 gain coefficient, low byte, factory calibrated 0xXX Channel 1 Setup 11 0x0B R/W Range 1 Range 0 CAPDIFF Unused Unused 0x00 Channel 2 Gain MSB1 12 0x0C R/W Channel 2 gain coefficient, high byte, factory calibrated 0xXX Channel 2 Gain LSB1 13 0x0D R/W Channel 2 gain coefficient, low byte, factory calibrated 0xXX Channel 2 Setup1 14 0x0E R/W Range 1 Range 0 CAPDIFF Unused Unused 0x00 Configuration 15 0x0F R/W Unused Unused Unused Ch1en Ch2en MD2 MD1 MD0 0x00 Reserved 16 0x10 R/W Unused 0x00 CAPDAC POS 17 0x11 R/W DACPen Unused Unused DACP Bits[4:0] value 0x00 CAPDAC NEG 18 0x12 R/W DACNen Unused Unused DACN Bits[4:0] value 0x00 Configuration2 26 0x1A R/W Unused Unused OSR1 OSR0 Unused Unused Unused Unused 0x00 1 AD7152 only. |
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