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INA3221AIRGVT Datasheet(PDF) 31 Page - Texas Instruments |
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INA3221AIRGVT Datasheet(HTML) 31 Page - Texas Instruments |
31 / 46 page ![]() 31 INA3221 www.ti.com SBOS576B – MAY 2012 – REVISED MARCH 2016 Product Folder Links: INA3221 Submit Documentation Feedback Copyright © 2012–2016, Texas Instruments Incorporated 8.6.2.11 Channel-2 Warning-Alert Limit Register (address = 0Ah) [reset = 7FF8h] This register contains the value used to compare to the averaged shunt voltage value of channel 2 to detect a longer duration overcurrent event. Figure 42. Channel-2 Warning-Alert Limit Register 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 W2L12 W2L11 W2L10 W2L9 W2L8 W2L7 W2L6 W2L5 W2L4 W2L3 W2L2 W2L1 W2L0 — — — RW-0 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-0 RW-0 RW-0 LEGEND: R/W = Read/Write; R = Read only; -n = value after reset Table 15. Channel-2 Warning-Alert Limit Register Field Descriptions Bit Field Type Reset Description 15-3 W2L12-0 R/W FFFh Channel-2 warning-alert-limit data bits 2-0 Reserved R/W 0h Reserved 8.6.2.12 Channel-3 Critical-Alert Limit Register (address = 0Bh) [reset = 7FF8h] This register contains the value used to compare to each shunt voltage conversion on channel 3 to detect fast overcurrent events. Figure 43. Channel-3 Critical-Alert Limit Register 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 C3L12 C3L11 C3L10 C3L9 C3L8 C3L7 C3L6 C3L5 C3L4 C3L3 C3L2 C3L1 C3L0 — — — RW-0 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-0 RW-0 RW-0 LEGEND: R/W = Read/Write; R = Read only; -n = value after reset Table 16. Channel-3 Critical-Alert Limit Register Field Descriptions Bit Field Type Reset Description 15-3 C3L12-0 R/W FFFh Channel-3 critical-alert-limit data bits 2-0 Reserved R/W 0h Reserved 8.6.2.13 Channel-3 Warning-Alert Limit Register (address = 0Ch) [reset = 7FF8h] This register contains the value used to compare to the averaged shunt voltage value of channel 3 to detect a longer duration overcurrent event. Figure 44. Channel-3 Warning-Alert Limit Register 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 W3L12 W3L11 W3L10 W3L9 W3L8 W3L7 W3L6 W3L5 W3L4 W3L3 W3L2 W3L1 W3L0 — — — RW-0 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-1 RW-0 RW-0 RW-0 LEGEND: R/W = Read/Write; R = Read only; -n = value after reset Table 17. Channel-3 Warning-Alert Limit Register Field Descriptions Bit Field Type Reset Description 15-3 W3L12-0 R/W FFFh Channel-3 warning-alert limit data bits 2-0 Reserved R/W 0h Reserved |
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