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AD7293 Datasheet(PDF) 62 Page - Analog Devices |
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AD7293 Datasheet(HTML) 62 Page - Analog Devices |
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62 / 78 page  AD7293 Data Sheet Rev. B | Page 62 of 78 ALERT0 PIN ROUTING (PAGE 0x11) All the registers from this page allow routing of the alert signals generated by the corresponding inputs/channels to the GPIO3/ ALERT0 pin of the device. The upper byte controls the high alerts routing, whereas the lower byte controls the low alerts routing. Table 98. ALERT0 Pin Routing (Page 0x11) 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 0x12 VINx ALERT0 2 R/W 0x0000 0x14 TSENSEx ALERT0 2 R/W 0x0000 0x15 ISENSEx ALERT0 2 R/W 0x0000 0x18 Supply and BI-VOUTxMON ALERT0 2 R/W 0x0000 0x19 RSx+MON ALERT0 2 R/W 0x0000 0x1A INTLIMITx and AVss/AVDD ALERT0 2 R/W 0x0000 1 N/A means not applicable. 2 Not a physical register. VINx ALERT0 Register (Register 0x12) This 16-bit register allows routing of the VINx generated alerts to the ALERT0 pin. Temperature Sensor (TSENSEx) ALERT0 Register (Register 0x14) This 16-bit register allows routing of the temperature sensor generated alerts to the ALERT0 pin. Current Sensor (ISENSEx) ALERT0 Register (Register 0x15) This 16-bit register allows routing of the current sensor generated alerts to the ALERT0 pin. Supply and BI-VOUTxMON ALERT0 Register (Register 0x18) This 16-bit register allows routing of the supply channels and the bipolar DAC monitor channels generated alerts to the ALERT0 pin. RSx+MON ALERT0 Register (Register 0x19) This 16-bit register allows routing of the RSx+MON alerts to the ALERT0 pin. INTLIMITx and AVss/AVDD ALERT0 Register (Register 0x1A) This 16-bit register allows routing of the closed-loop integrator limit and AVSS/AVDD alerts to the ALERT0 pin. Table 99. VINx ALERT0 Register (Register 0x12) Bit Number(s) Bit Name Description [D15:D12] Reserved Reserved D11 VIN3 high 0: no routing (default) 1: high alert on the corresponding channel routes to the ALERT0 pin D10 VIN2 high 0: no routing (default) 1: high alert on the corresponding channel routes to the ALERT0 pin D9 VIN1 high 0: no routing (default) 1: high alert on the corresponding channel routes to the ALERT0 pin D8 VIN0 high 0: no routing (default) 1: high alert on the corresponding channel routes to the ALERT0 pin [D7:D4] Reserved Reserved D3 VIN3 low 0: no routing (default) 1: low alert on the corresponding channel routes to the ALERT0 pin D2 VIN2 low 0: no routing (default) 1: low alert on the corresponding channel routes to the ALERT0 pin D1 VIN1 low 0: no routing (default) 1: low alert on the corresponding channel routes to the ALERT0 pin D0 VIN0 low 0: no routing (default) 1: low alert on the corresponding channel routes to the ALERT0 pin |
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