CD00237391 Datasheet, PDF (106/177 Pages) STMicroelectronics – ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/128+4KB RAM

Electrical characteristics
Figure 39. SPI timing diagram - slave mode and CPHA = 0
NSS input
CPHA= 0
CPOL=0
CPHA= 0
CPOL=1
tSU(NSS)
tc(SCK)
tw(SCKH)
tw(SCKL)
ta(SO)
MISO
OUT P UT
MOSI
I NPUT
tsu(SI)
tv(SO)
MS B O UT
M SB IN
th(SI)
th(SO)
BI T6 OUT
B I T1 IN
Figure 40. SPI timing diagram - slave mode and CPHA = 1
STM32F20xxx
th(NSS)
tr(SCK)
tf(SCK)
tdis(SO)
LSB OUT
LSB IN
ai14134c
NSS input
tSU(NSS)
CPHA=1
CPOL=0
CPHA=1
CPOL=1
tw(SCKH)
tw(SCKL)
MISO
OUT P UT
MOSI
I NPUT
ta(SO)
tsu(SI)
tc(SCK)
tv(SO)
MS B O UT
th(SI)
M SB IN
th(SO)
BI T6 OUT
B I T1 IN
th(NSS)
tr(SCK)
tf(SCK)
tdis(SO)
LSB OUT
LSB IN
ai14135
106/177
Doc ID 15818 Rev 9