
MAXQ7667
16-Bit, RISC, Microcontroller-Based,
Ultrasonic Distance-Measuring System
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25
SCLK
CKPOL/CKPHA
0/1 OR 1/0
SS
MISO
MOSI
SCLK
CKPOL/CKPHA
0/0 OR 1/1
SHIFT
SAMPLE
SHIFT
MSB - 1
SAMPLE
tMCH
tMCK
tMCL
tMOH
tMOV
tMIS
tMIH
MSB
LSB
MSB
LSB
tMLH
Figure 11. SPI Timing Diagram in Master Mode
SCLK
CKPOL/CKPHA
0/1 OR 1/0
SS
SCLK
CKPOL/CKPHA
0/0 OR 1/1
SHIFT
SAMPLE
SHIFT
SAMPLE
tSCK
tSCL
tSCH
tSSE
tSOV
tSIH
tSIS
tSSH
MOSI
MISO
MSB
LSB
MSB - 1
MSB
MSB - 1
tSD
Figure 12. SPI Timing Diagram in Slave Mode