C8051F921 查看數據表（PDF） - Silicon Laboratories

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C8051F921

Single/Dual Battery, 0.9–3.6 V, 64/32 kB, SmaRTClock, 10-Bit ADC MCU

Silicon Laboratories 

C8051F93x-C8051F92x

SCK*

MISO

TMCKH

TMCKL

T

MIS

T

MIH

MOSI

* SCK is shown for CKPOL = 0. SCK is the opposite polarity for CKPOL = 1.

Figure 24.8. SPI Master Timing (CKPHA = 0)

SCK*

MISO

T

MCKH

T

MCKL

T

MIS

T

MIH

MOSI

* SCK is shown for CKPOL = 0. SCK is the opposite polarity for CKPOL = 1.

Figure 24.9. SPI Master Timing (CKPHA = 1)

280

Rev. 1.3

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