M25PE16 Просмотр технического описания (PDF) - STMicroelectronics

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M25PE16

16 Mbit, low-voltage, Page-Erasable Serial Flash memory with byte-alterability, 50 MHz SPI bus, standard pinout

STMicroelectronics 

M25PE16

SPI modes

The typical value of R is 100 kΩ, assuming that the time constant R*Cp (Cp = parasitic

capacitance of the bus line) is short enough, as the S and C lines must reach the correct

state (S = High and C = Low) while the SPI bus is in high impedance.

Example: Cp = 50 pF, that is R*Cp = 5 µs <=> 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 µs.

Figure 4. SPI modes supported

CPOL CPHA

0

0

C

1

1

C

D

MSB

Q

MSB

AI01438B

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