MCBSTM32EXL Keil, MCBSTM32EXL Datasheet - Page 601

• Manufacturer Part Number: MCBSTM32EXL
• Description: BOARD EVALUATION FOR STM32F103ZE
• Manufacturer: Keil

Specifications of MCBSTM32EXL

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RM0008
Figure 212. I
Data are latched on the falling edge of CK (for the transmitter) and are read on the rising
edge (for the receiver). The WS signal is also latched on the falling edge of CK.
Figure 213. I
This mode needs two write or read operations to/from the SPI_DR.
●
Figure 214. Transmitting 0x8EAA33
In transmission mode:
if 0x8EAA33 has to be sent (24-bit):
First write to Data register
CK
SD
CK
SD
WS
WS
2
2
S Phillips protocol waveforms (16/32-bit full accuracy, CPOL = 0)
S Phillips standard waveforms (24-bit frame with CPOL = 0)
0x8EAA
MSB
MSB
Transmission
24-bit data
Transmission
Doc ID 13902 Rev 9
May be 16-bit, 32-bit
Channel left
Channel left 32-bit
LSB
Reception
Reception
Only the 8 MSBs are sent to complete the 24 bits
8 LSB bits have no meaning and could be
anything
Second write to Data register
8-bit remaining
0 forced
0x33XX
Serial peripheral interface (SPI)
LSB MSB
Channel right
Channel right
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