Figure 165. Spi Dual Mode Bit Sequence - Cpol = 1, Cpha = 0, Dfl = 0X8 (16-Bit), Msb Transmitted; Figure 166. Spi Dual Mode Bit Sequence - Cpol = 1, Cpha = 1, Dfl = 0X8 (16-Bit), Msb Transmitted - Holtek HT32F54231 User Manual

32-Bit Arm ® Cortex ® -M0+ MCU
HT32F54231/HT32F54241/HT32F54243/HT32F54253
DUALEN
SEL (SELAP=0)
SEL (SELAP=1)
SCK
½
SCK
MOSI RX[6]
MISO RX[7]
Data sampled
Figure 165. SPI Dual Mode Bit Sequence – CPOL = 1, CPHA = 0, DFL = 0x8 (16-bit), MSB
Transmitted First
DUALEN
SEL (SELAP=0)
SEL (SELAP=1)
SCK
½
SCK
MOSI
MISO
Figure 166. SPI Dual Mode Bit Sequence – CPOL = 1, CPHA = 1, DFL = 0x8 (16-bit), MSB
Transmitted First
Rev. 1.00
RX[4] RX[2] RX[0]
RX[5] RX[3] RX[1]
RX[6] RX[4] RX[2]
RX[7] RX[5] RX[3]
Data sampled
452 of 576
RX[14] RX[12] RX[10]
RX[15] RX[13] RX[11]
RX[0] RX[14] RX[12] RX[10]
RX[1] RX[15] RX[13] RX[11]
RX[8]
RX[9]
RX[8]
RX[9]
January 28, 2022