C8051F921 View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

C8051F921

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

Silicon Laboratories 

C8051F93x-C8051F92x

24.6. SPI Special Function Registers

SPI0 and SPI1 are accessed and controlled through four special function registers (8 registers total) in the

system controller: SPInCN Control Register, SPInDAT Data Register, SPInCFG Configuration Register,

and SPInCKR Clock Rate Register. The special function registers related to the operation of the SPI0 and

SPI1 Bus are described in the following figures.

Rev. 1.3

275

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