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INA3221AIRGVT Datasheet(PDF) 25 Page - Texas Instruments |
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INA3221AIRGVT Datasheet(HTML) 25 Page - Texas Instruments |
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25 / 46 page  INA3221 www.ti.com SBOS576B – MAY 2012 – REVISED MARCH 2016 25 Product Folder Links: INA3221 Submit Documentation Feedback Copyright © 2012–2016, Texas Instruments Incorporated 8.6.2 Register Descriptions All 16-bit INA3221 registers are two 8-bit bytes via the I2C interface. Table 4 shows a register map for the INA3221. Table 4. Register Map REGISTER ADDRESS (Hex) D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Configuration 00 RST CH1en CH2en CH3en AVG2 AVG1 AVG0 VBUSCT2 VBUSCT1 VBUSCT0 VSHCT2 VSHCT1 VSHCT0 MODE3 MODE2 MODE1 Channel-1 Shunt Voltage 01 SIGN SD11 SD10 SD9 SD8 SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0 — — — Channel-1 Bus Voltage 02 SIGN BD11 BD10 BD9 BD8 BD7 BD6 BD5 BD4 BD3 BD2 BD1 BD0 — — — Channel-2 Shunt Voltage 03 SIGN SD11 SD10 SD9 SD8 SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0 — — — Channel-2 Bus Voltage 04 SIGN BD11 BD10 BD9 BD8 BD7 BD6 BD5 BD4 BD3 BD2 BD1 BD0 — — — Channel-3 Shunt Voltage 05 SIGN SD11 SD10 SD9 SD8 SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0 — — — Channel-3 Bus Voltage 06 SIGN BD11 BD10 BD9 BD8 BD7 BD6 BD5 BD4 BD3 BD2 BD1 BD0 — — — Channel-1 Critical-Alert Limit 07 C1L12 C1L11 C1L10 C1L9 C1L8 C1L7 C1L6 C1L5 C1L4 C1L3 C1L2 C1L1 C1L0 — — — Channel-1 Warning-Alert Limit 08 W1L12 W1L11 W1L10 W1L9 W1L8 W1L7 W1L6 W1L5 W1L4 W1L3 W1L2 W1L1 W1L0 — — — Channel-2 Critical-Alert Limit 09 C2L12 C2L11 C2L10 C2L9 C2L8 C2L7 C2L6 C2L5 C2L4 C2L3 C2L2 C2L1 C2L0 — — — Channel-2 Warning-Alert Limit 0A W2L12 W2L11 W2L10 W2L9 W2L8 W2L7 W2L6 W2L5 W2L4 W2L3 W2L2 W2L1 W2L0 — — — Channel-3 Critical-Alert Limit 0B C3L12 C3L11 C3L10 C3L9 C3L8 C3L7 C3L6 C3L5 C3L4 C3L3 C3L2 C3L1 C3L0 — — — Channel-3 Warning-Alert Limit 0C W3L12 W3L11 W3L10 W3L9 W3L8 W3L7 W3L6 W3L5 W3L4 W3L3 W3L2 W3L1 W3L0 — — — Shunt-Voltage Sum 0D SIGN SV13 SV12 SV11 SV10 SV9 SV8 SV7 SV6 SV5 SV4 SV3 SV2 SV1 SV0 — Shunt-Voltage Sum Limit 0E SIGN SVL13 SVL12 SVL11 SVL10 SVL9 SVL8 SVL7 SVL6 SVL5 SVL4 SVL3 SVL2 SVL1 SVL0 — Mask/Enable 0F — SCC1 SCC2 SCC3 WEN CEN CF1 CF2 CF3 SF WF1 WF2 WF3 PVF TCF CVRF Power-Valid Upper Limit 10 PVU12 PVU11 PVU10 PVU9 PVU8 PVU7 PVU6 PVU5 PVU4 PVU3 PVU2 PVU1 PVU0 — — — Power-Valid Lower Limit 11 PVL12 PVL11 PVL10 PVL9 PVL8 PVL7 PVL6 PVL5 PVL4 PVL3 PVL2 PVL1 PVL0 — — — Manufacturer ID FE 0 1 0 1 0 1 0 0 0 1 0 0 1 0 0 1 Die ID FF 0 0 1 1 0 0 1 0 0 0 1 0 0 0 0 0 |
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