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INA229 bảng dữ liệu(PDF) 26 Page - Texas Instruments |
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INA229 bảng dữ liệu(HTML) 26 Page - Texas Instruments |
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26 / 48 page  7.6.1.10 Energy Result (ENERGY) Register (Address = 9h) [reset = 0h] The ENERGY register is shown in Table 7-14. Return to the Summary Table. Table 7-14. ENERGY Register Field Descriptions Bit Field Type Reset Description 39-0 ENERGY R 0h Calculated energy output. Output value is in Joules.Unsigned representation. Positive value. Value description under Section 8.1.2. 7.6.1.11 Charge Result (CHARGE) Register (Address = Ah) [reset = 0h] The CHARGE register is shown in Table 7-15. Return to the Summary Table. Table 7-15. CHARGE Register Field Descriptions Bit Field Type Reset Description 39-0 CHARGE R 0h Calculated charge output. Output value is in Coulombs.Two's complement value. Value description under Section 8.1.2. 7.6.1.12 Diagnostic Flags and Alert (DIAG_ALRT) Register (Address = Bh) [reset = 0001h] The DIAG_ALRT register is shown in Table 7-16. Return to the Summary Table. Table 7-16. DIAG_ALRT Register Field Descriptions Bit Field Type Reset Description 15 ALATCH R/W 0h When the Alert Latch Enable bit is set to Transparent mode, the Alert pin and Flag bit reset to the idle state when the fault has been cleared. When the Alert Latch Enable bit is set to Latch mode, the Alert pin and Alert Flag bit remain active following a fault until the DIAG_ALRT Register has been read. 0h = Transparent 1h = Latched 14 CNVR R/W 0h Setting this bit high configures the Alert pin to be asserted when the Conversion Ready Flag (bit 1) is asserted, indicating that a conversion cycle has completed. 0h = Disable conversion ready flag on ALERT pin 1h = Enables conversion ready flag on ALERT pin 13 SLOWALERT R/W 0h When enabled, ALERT function is asserted on the completed averaged value. This gives the flexibility to delay the ALERT until after the averaged value. 0h = ALERT comparison on non-averaged (ADC) value 1h = ALERT comparison on averaged value 12 APOL R/W 0h Alert Polarity bit sets the Alert pin polarity. 0h = Normal (Active-low, open-drain) 1h = Inverted (active-high, open-drain ) 11 ENERGYOF R 0h This bit indicates the health of the ENERGY register. If the 40 bit ENERGY register has overflowed this bit is set to 1. 0h = Normal 1h = Overflow Clears when the ENERGY register is read. INA229-Q1 SLYS024A – MAY 2020 – REVISED JUNE 2021 www.ti.com 26 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: INA229-Q1 |
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