M45PE40 Datasheet, PDF(11/46 Page) STMicroelectronics – 4 Mbit, Low Voltage, Page-Erasable Serial Flash Memory With Byte-Alterability and a 33 MHz SPI Bus Interface

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M45PE40 Datasheet, PDF (11/46 Pages) STMicroelectronics – 4 Mbit, Low Voltage, Page-Erasable Serial Flash Memory With Byte-Alterability and a 33 MHz SPI Bus Interface

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M45PE40

SPI modes

Example: Cp = 50 pF, that is R*Cp = 5 Âµs <=> the application must ensure that the Bus

Master never leaves the SPI bus in the high impedance state for a time period shorter than

5 Âµs.

Figure 4. SPI modes supported

CPOL CPHA

MSB

AI01438B

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