M95160-RMC6P 데이터 시트보기 (PDF) - STMicroelectronics

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M95160-RMC6P

16-Kbit serial SPI bus EEPROM with high-speed clock

STMicroelectronics 

Connecting to the SPI bus

M95160 M95160-W M95160-R M95160-DF

4.1

SPI modes

These devices can be driven by a microcontroller with its SPI peripheral running in either of

the following two modes:

• CPOL=0, CPHA=0

• CPOL=1, CPHA=1

For these two modes, input data is latched in on the rising edge of Serial Clock (C), and

output data is available from the falling edge of Serial Clock (C).

The difference between the two modes, as shown in Figure 6, is the clock polarity when the

bus master is in Stand-by mode and not transferring data:

• C remains at 0 for (CPOL=0, CPHA=0)

• C remains at 1 for (CPOL=1, CPHA=1)

CPOL CPHA

Figure 6. SPI modes supported

00

C

11

C

D

MSB

Q

MSB

AI01438B

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DocID022580 Rev 4

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