Electrical characteristics
Symbol
STM8S003K3 STM8S003F3
Table 42: SPI characteristics
Parameter
Min
Max
Unit
Conditions(1)
fSCK1/
tc(SCK)
SPI clock
frequency
Master mode
0
8
MHz
fSCK1/
tc(SCK)
fSCK1/ tc(SCK)
SPI clock frequency
0
7(2)
25
MHz
tr(SCK)
tf(SCK)
SPI clock rise and Capacitive load: C = 30 pF
fall time
(3)
tsu(NSS)
NSS setup time
Slave mode
4 x
tMASTER
(3)
th(NSS)
NSS hold time
Slave mode
70
(3)
tw(SCKH)
SCK high and low Master mode
time
tSCK
/
tSCK/
(3)
tw(SCKL)
2 - 15
2 +15
(3)
tsu(MI)
Data input setup Master mode
5
(3)
tsu(SI)
time
Slave mode
5
(3)
th(MI)
Data input hold
time
Master mode
Slave mode
Slave mode
7
(3)
th(SI)
10
(3) (4)
ns
ta(SO)
Data output
access time
3 x
tMASTER
(3) (5)
tdis(SO)
Data output
disable time
Slave mode
25
(3)
tv(SO)
Data output valid Slave mode
65(2)
30
time
(after enable edge)
(3)
tv(MO)
Data output valid Master mode
time
(after enable edge)
(3)
th(SO)
Data output hold Slave mode
27(2)
11(2)
time
(after enable edge)
(3)
th(MO)
Data output hold Master mode
time
(after enable edge)
78/99
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STMICROELECTRONICS [ ST ]
