C8051F38C-GMR View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

MFG CO.

C8051F38C-GMR

Full Speed USB Flash MCU Family

Silicon Laboratories 

C8051F380/1/2/3/4/5/6/7/C

SCK

(CKPOL=0, CKPHA=1)

SCK

(CKPOL=1, CKPHA=1)

MOSI

MSB

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

MISO

MSB

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

NSS (4-Wire Mode)

Figure 25.7. Slave Mode Data/Clock Timing (CKPHA = 1)

25.6. SPI Special Function Registers

SPI0 is accessed and controlled through four special function registers in the system controller: SPI0CN

Control Register, SPI0DAT Data Register, SPI0CFG Configuration Register, and SPI0CKR Clock Rate

Register. The four special function registers related to the operation of the SPI0 Bus are described in the

following figures.

256

Rev. 1.4

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