TLE9255WLC datasheet(49/100 Pages) INFINEON

tên linh kiện	TLE9255WLC

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49 / 100 page

Data Sheet

Rev. 1.02 2018-02-02

TLE9255W

Serial Peripheral Interface

8.2

Control and Status Register

There are two types of registers:

• Control registers:

Control the behavior of the TLE9255W, for example mode change and selective wake configuration.

• Status registers:

Status registers represent the status of the TLE9255W, for example wake events and failures. The

TLE9255W controls the bits of the status register. However, the microcontroller must reset some of these

bits. Writing “1” clears the register (w1c). In case of reading the register the address bits for the register

must be set, the R/W bit must be set to 0 and the data bits are not relevant. Writing a “1” to the specific bits

in the status register resets the status bits in the status register. Figure 44 shows this scenario.

Figure 44

Read and clear command

Data Bits

Status Register

Address Bits

R/W

SPI Command

Status Register

after SPI

Command

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