CD00161566 Datasheet, PDF (73/105 Pages) STMicroelectronics – nullMedium-density performance line ARM-based 32-bit MCU

STM32F103x8, STM32F103xB
Electrical characteristics
Figure 33. SPI timing diagram - slave mode and CPHA = 0
NSS input
CPHA= 0
CPOL=0
CPHA= 0
CPOL=1
t_SU(NSS)
tc(_SCK)
tw(_SCKH)
tw(_SCKL)
t_a(SO)
MISO
OUT P UT
MOSI
I NPUT
t_su(SI)
tv(_SO)
MS B O UT
M SB IN
th(_SI)
th(_SO)
BI T6 OUT
B I T1 IN
th(N_SS)
tr(_SCK)
tf(_SCK)
tdi_s(SO)
LSB OUT
LSB IN
Figure 34. SPI timing diagram - slave mode and CPHA = 1⁽¹⁾
ai14134c
NSS input
t_SU(NSS)
CPHA=1
CPOL=0
CPHA=1
CPOL=1
tw(_SCKH)
tw(_SCKL)
MISO
OUT P UT
MOSI
I NPUT
t_a(SO)
t_su(SI)
tc(_SCK)
tv(_SO)
MS B O UT
th(_SI)
M SB IN
th(_SO)
BI T6 OUT
B I T1 IN
1. Measurement points are done at CMOS levels: 0.3V_DD and 0.7V_DD.
th(N_SS)
tr(_SCK)
tf(_SCK)
tdi_s(SO)
LSB OUT
LSB IN
ai14135
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