Begin
End
SPICLK Edge Nr.
(SPIEN) (optional)
Sample
SPICLK (POL=0)
SPICLK (POL=1)
Data From the Master
Data From the Slave
Slave Select
t
Lead
1
2
3
4
4
5
6
7
8
9 10
11
12
13 14 15 16 17 18
D/CX
MSB
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
LSB
D/CX
MSB
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
LSB
Transfer
Functional Description
Figure 24-11. Extended SPI Transfer With Start Bit PHA = 1
4010
Multichannel Serial Port Interface (McSPI)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated