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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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BQ76PL455APFCT bảng dữ liệu(PDF) 49 Page - Texas Instruments |
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BQ76PL455APFCT bảng dữ liệu(HTML) 49 Page - Texas Instruments |
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49 / 125 page  49 bq76PL455A www.ti.com SLUSCL0A – SEPTEMBER 2016 – REVISED OCTOBER 2016 Product Folder Links: bq76PL455A Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated 7.5.1.2 Device Address/Group ID Byte The Device Address or Group ID Byte identifies the device or group of devices targeted by the command. Only those devices that contain a matching value in their Device Address Register (register address 10) or Group ID Register (register address 11) will respond to the command. The REQ_TYPE field in the command frame will determine how to interpret this byte. NOTE Device Address/Group ID Byte is not present in a Broadcast command frame. 7 6 5 4 3 2 1 0 Device Address or Group ID Identifier of device(s) receiving communication (always one byte) 7.5.1.3 Register Address Byte(s) Register addresses can be one or two bytes in length. For single byte addresses (ADDR_SIZE = 0), the MSB is not transmitted and is assumed to be 0. 7 6 5 4 3 2 1 0 Register Address (MSB) Register being targeted Register Address (LSB) 7.5.1.4 Data Bytes The basis of data byte interpretation is from the type of command frame being sent and the target register specified in the command frame. For command frames targeted at the Command Register (address 2), the data contains the command, highest responding device address and, optionally, new data for the Command Channel Select Register (address 3–6) and Averaging Register (address 7). For command frames targeted at other registers: • If REQ_TYPE is Write without Response, the data bytes contain the values to be written to the registers • If REQ_TYPE is Write with Response, the data bytes contain the values returned from the registers 7 6 5 4 3 2 1 0 Data[0] … Data[n] Data Bytes (the number of bytes should match the DATA_SIZE field in the Frame Initialization byte) NOTE Transactions with seven data bytes are not possible. 7.5.1.5 CRC Bytes 7 6 5 4 3 2 1 0 CRC (MSB) 16-bit CRC (CRC-16-IBM—See CRC Description) CRC(LSB) |
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