UM0853 datasheet(39/56 Pages) STMICROELECTRONICS

部件名	UM0853

功能描述	M24LRxx application software user guide

PDF	56 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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39 / 56 page

UM0853

How to control the RF and I²C channels from your screen

Doc ID 16609 Rev 3

39/56

Figure 83.

Result of the write to sector security status area operation

Writing to the I2C_Write_Lock bit area

To write to the I2C_Write_Lock bit area, select I2C write lock bits (system) and fill the

address range to be written, then press the Write button. Addresses are managed is the

same way as for RF commands (see Section 3.2.7: Read command).

Please note that the I2C password has to be presented successfully prior to writing to the

I2C_Write_Lock bit area

Figure 84 shows how to launch a write operation to the I2C_Write_Lock bit area.

Figure 84.

Writing to the I2C_Write_Lock bit area

Figure 85 shows the result of the operation.

Figure 85.

Result of the write to I2C_Write_Lock bit area operation

UM0853 数据表(PDF) 39 Page - STMicroelectronics