TI中文支持网Part Number:BQ27Z561EVM-011Other Parts Discussed in Thread: BQSTUDIO
use bq27z561EVM-011 in bqStudio, in Technical Documents of sluuc54b ， at the page 99 , the document shows the command example , I follow the example to write the command in 0x40A9, want to change the Manufacture data，When I write the data and read the address data, I find that the data has not been modified.
Attached is the operation record .The original data is 5221, which needs to be modified to 52B1
Star Xu：
您好，advanced COMM I2C修改参数请参考下面链接
e2e.ti.com/…/3192632
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yuan zhou1：
您好，你发的链接地址不能全部打开，能付上完整的链接吗？
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Star Xu：
您好，链接如下：
https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/862830/bq27z561-how-to-test-int-functionality/3192632#3192632
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yuan zhou1：
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yuan zhou1：
无法直接点开链接
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yuan zhou1：
您好，多谢你的答复，在链接的文档中MAC data block length是怎么计算得到的，多谢！
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Star Xu：
您好，The length byte for all MAC commands includes the 2-byte command, the 1-byte checksum, the 1-byte length,and 1 to 32 bytes of data
详细请参考TRM 13.1.29 0x61MACDataLength()
