STM32W108CBU6 STMICROELECTRONICS [STMicroelectronics], STM32W108CBU6 Datasheet - Page 68

• Manufacturer Part Number: STM32W108CBU6
• Description: High-performance, IEEE 802.15.4 wireless system-on-chip
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Serial interfaces
7.3.4
7.3.5
7.4
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Serial clock linear prescaler register (SCx_RATELIN)
Address offset: 0xC860 (SC1_RATELIN) and 0xC060 (SC2_RATELIN)
Reset value:
Serial clock exponential prescaler register (SCx_RATEEXP)
Address offset: 0xC864 (SC1_RATEEXP) and 0xC064 (SC2_RATEEXP)
Reset value:
SPI slave mode
Refer to Registers (in the SPI Master Mode section) for a description of the SCx_DATA,
SCx_SPICFG, and SCx_SPISTAT registers.
[3:0] SC_RATELIN: The linear component (LIN) of the clock rate in the equation:
[3:0] SC_RATEEXP: The exponential component (EXP) of the clock rate in the equation:
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[2] SC_SPITXFREE: This bit is set when the transmit FIFO has space to accept at least one byte.
[1] SC_SPIRXVAL: This bit is set when the receive FIFO contains at least one byte.
[0] SC_SPIRXOVF: This bit is set if a byte is received when the receive FIFO is full. This bit is
cleared by reading the data register.
Rate = 12 MHz / ( (LIN + 1) * (2^EXP) )
Rate = 12 MHz / ( (LIN + 1) * (2^EXP) )
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0x0000 0000
0x0000 0000
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Doc ID 16252 Rev 2
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STM32W108CB, STM32W108HB
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SC_RATEEXP
SC_RATELIN
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1
1
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0
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