Texas Instruments bq26220EVM-001, Руководство пользователя

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SLUU151 – April 2003
12 bq26220EVM-001 Single Cell Battery Monitor Evaluation Module
4.2 Initialization
This section describes the settings required before the bq26220 is evaluated.
4.2.1 Setting Programmable bq26220 Options
4.2.1.1 Wake-Up Threshold
Select the wake-up threshold with the woe pulldown tab at location 0x64.This designates the potential
across the sense resistor, below which the bq26220 goes to sleep.
4.2.1.2 GPIO and STAT Boxes
To configure the GPIO pin as input or output click on the GPIO box at 0x64 location. To turn off the GPIO
as ouput, set the GPIO pin by clicking the STAT box at the 0x64 location. To reset, click the box again.
4.2.2 Register Clearing
Each counter in the bq26220 can be cleared (set to 00) by depressing the adjacent Clr button.The All
button clears all counting registers in one sequence.