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AD7293BCPZ Datasheet(PDF) 60 Page - Analog Devices |
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AD7293BCPZ Datasheet(HTML) 60 Page - Analog Devices |
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60 / 78 page  AD7293 Data Sheet Rev. B | Page 60 of 78 ALERT (PAGE 0x10) Table 88. Alert (Page 0x10) Address (Hex) Name Byte1 Access Type1 Default Value1 0x00 No op N/A N/A 0x00 0x01 Page select pointer 1 R/W 0x00 0x02 Conversion command2 1 W N/A 0x03 Result 2 R 0x0000 0x04 DAC enable 1 R/W 0x00 0x05 GPIO 1 R/W 0x00 0x0C Device ID 2 R 0x0018 0x0F Software reset 2 R/W 0x0000 0x10 ALERTSUM 2 R/W 0x0000 0x12 VINx alert 2 R/W 0x0000 0x14 TSENSEx alert 2 R/W 0x0000 0x15 ISENSEx alert 2 R/W 0x0000 0x18 Supply and BI-VOUTxMON alert 2 R/W 0x0000 0x19 RSx+MON alert 2 R/W 0x0000 0x1A INTLIMITx and AVSS/AVDD alert 2 R/W 0x0000 1 N/A means not applicable. 2 Not a physical register. Alert Summary (ALERTSUM) Register (Register 0x10) This 16-bit register stores the summary from the channel dedicated alert registers. If any of the bits from the corresponding alert register are set, the register bit is set to 1 (OR function of individual alert register bits). When 1 is written to any of the register bits, this bit is cleared, that is, removing alerts and the alert bits from the corresponding alert register. This write is a quick way to clear any alerts in the device. The upper byte contains the high alerts, whereas the lower byte contains the low alerts. This format is applicable to the individual alert registers as well. The default value of this register is 0x0000. VINx Alert Register (Register 0x12) This 16-bit register stores the VIN channel related high and low alerts. When 1 is written to any of the register bits, this bit clears, removing the corresponding alert. Temperature Sensor (TSENSEx) Alert Register (Register 0x14) This 16-bit register stores the temperature sensor related high and low alerts. When 1 is written to any of the register bits, this bit clears, removing the corresponding alert. Current Sensor (ISENSEx) Alert Register (Register 0x15) This 16-bit register stores the current sensor related high and low alerts. When 1 is written to any of the register bits, this bit clears, removing the corresponding alert. Table 89. Alert Summary (ALERTSUM) Register (Register 0x10), Bit D15 to Bit D8 D15 D14 D13 D12 D11 D10 D9 D8 RSx+ high AVDD/BI-VOUTx high INTLIMITx active AVSS/AVSS alarm ISENSEx high TSENSEx high Reserved VINx high Table 90. Alert Summary (ALERTSUM) Register (Register 0x10), Bit D7 to Bit D0 D7 D6 D5 D4 D3 D2 D1 D0 RSx+ low AVDD/BI-VOUTx low Reserved ISENSEx low TSENSEx low Reserved VINx low Table 91. VINx Alert Register (Register 0x12) MSB LSB [D15:D12] D11 D10 D9 D8 [D7:D4] D3 D2 D1 D0 Reserved VIN3 high VIN2 high VIN1 v VIN0 high Reserved VIN3 low VIN2 low VIN1 low VIN0 low Table 92. Temperature Sensor Alert Register (Register 0x14) MSB LSB [D15:D11] D10 D9 D8 [D7:D3] D2 D1 D0 Reserved TSENSED1 high TSENSED0 high TSENSEINT high Reserved TSENSED1 low TSENSED0 low TSENSEINT low Table 93. Current Sensor Alert Register (Register 0x15) MSB LSB [D15:D12] D11 D10 D9 D8 [D7:D4] D3 D2 D1 D0 Reserved ISENSE3 high ISENSE2 high ISENSE1 high ISENSE0 high Reserved ISENSE3 low ISENSE2 low ISENSE1 low ISENSE0 low |
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