Datasheet

Electrical characteristics STM32L010F4/K4
78/91 DS12323 Rev 2
Table 58. SPI characteristics in voltage Range 2
(1)
Symbol Parameter Conditions Min Typ Max Unit
f
SCK
1/t
c(SCK)
SPI clock frequency
Master mode
--
8
MHz
Slave mode transmitter
1.8 V < V
DD
<3.6V
8
Slave mode transmitter
2.7 V < V
DD
<3.6V
8
(2)
Duty
(SCK)
Duty cycle of SPI clock
frequency
Slave mode 30 50 70 %
t
su(NSS)
NSS setup time Slave mode, SPI presc = 2 4Tpclk - -
ns
t
h(NSS)
NSS hold time Slave mode, SPI presc = 2 2Tpclk - -
t
w(SCKH)
t
w(SCKL)
SCK high and low time Master mode Tpclk - 2 Tpclk Tpclk + 2
t
su(MI)
Data input setup time
Master mode 3 - -
t
su(SI)
Slave mode 3 - -
t
h(MI)
Data input hold time
Master mode 6 - -
t
h(SI)
Slave mode 2 - -
t
a(SO
Data output access time Slave mode 18 - 52
t
dis(SO)
Data output disable time Slave mode 12 - 42
t
v(SO)
Data output valid time
Slave mode - 16 33
Master mode - 4 6
t
v(MO)
Data output hold time
Slave mode 11 - -
t
h(SO)
Master mode 3 - -
1. Guaranteed by characterization results, not tested in production.
2. The maximum SPI clock frequency in slave transmitter mode is determined by the sum of t
v(SO)
and t
su(MI)
which has to fit
into SCK low or high phase preceding the SCK sampling edge. This value can be achieved when the SPI communicates
with a master having t
su(MI)
= 0 while Duty
(SCK)
= 50%.
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.