BQ76952: BQ76952-02

Preethi S

Part Number: BQ76952

Tool/software:

Hi,

In BQ76952-02 by default CRC is enabled, I can be able to send direct commands and I am receiving every data byte with CRC.

I want to write 0x037f in VCellMode register, what is the sequence of commands I have to send to write and read data from memory with CRC and checksum?

over 1 year ago

0 Thomas Rainey over 1 year ago

TI__Expert 4320 points

Hello,

You can find examples of reading and writing data memory with CRC in BQ769x2 Software Development Guide (Rev. B)

Best Regards,

Thomas Rainey

0 Preethi S over 1 year ago in reply to Thomas Rainey

Prodigy 10 points

Hi,

I have tried examples from SW development guide for writing in configuration register that all for without CRC, I want to write in configuration register with CRC.

0 Thomas Rainey over 1 year ago in reply to Preethi S

TI__Expert 4320 points

Hello,

There is helpful information in the BQ769x2 Software Development Guide (Rev. B)

Section 4 I2C With CRC.

Section 5 SPI With CRC Examples.

Best regards,

Thomas Rainey

0 Preethi S over 1 year ago in reply to Thomas Rainey

Prodigy 10 points

Hello,

Examples are given for command only subcommand, and direct command. not for subcommand with data, can you please give an example for subcommands with data in CRC mode

0 Thomas Rainey over 1 year ago in reply to Preethi S

TI__Expert 4320 points

Hello,

Writing the subcommand will be the same as Figure 4-1. Captured I2C Waveform for FET_ENABLE Subcommand With CRC. Reading the data out will be the same as Figure 4-2. Captured I2C Waveform for VCell 1 Command With CRC except the read will be at the address 0x40. 0x40 is the buffer transfer address.

Best regards,

Thomas Rainey

Power management

Power management forum

BQ76952: BQ76952-02