TMS570LS1225 Datasheet, PDF (154/176 Pages) Texas Instruments – 16- and 32-Bit RISC Flash Microcontroller

TMS570LS1225
SPNS191B – OCTOBER 2012 – REVISED FEBRUARY 2015
SPICLK
(clock polarity = 0)
SPICLK
(clock polarity = 1)
1
2
3
4
5
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SPISIMO
Master Out Data Is Valid
Data Valid
6
7
SPISOMI
Master In Data
Must Be Valid
Figure 7-17. SPI Master Mode External Timing (CLOCK PHASE = 1)
Write to buffer
SPICLK
(clock polarity=0)
SPICLK
(clock polarity=1)
SPISIMO
SPICSn
SPIENAn
8
10
11
Master Out Data Is Valid
9
Figure 7-18. SPI Master Mode Chip Select Timing (CLOCK PHASE = 1)
154 Peripheral Information and Electrical Specifications
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