Datasheet

Electrical characteristics STM32F303xB STM32F303xC
100/149 DS9118 Rev 14
Table 64. I
2
S characteristics
(1)
1. Guaranteed by characterization results.
Symbol Parameter Conditions Min Max Unit
f
CK
1/t
c(CK)
I
2
S clock frequency
Master data: 16 bits,
audio freq=48 kHz
1.496 1.503
MHz
Slave 0 12.288
t
r(CK)
t
f(CK)
I
2
S clock rise and fall
time
Capacitive load
C
L
= 30 pF
-8
ns
t
w(CKH)
I
2
S clock high time Master f
PCLK
= 36 MHz,
audio frequency =
48 kHz
331 -
t
w(CKL)
I
2
S clock low time 332 -
t
v(WS)
WS valid time Master mode 4 -
t
h(WS)
WS hold time Master mode 4 -
t
su(WS)
WS setup time Slave mode 4 -
t
h(WS)
WS hold time Slave mode 0 -
Duty Cycle
I
2
S slave input clock
duty cycle
Slave mode 30 70 %
t
su(SD_MR)
Data input setup time Master receiver 9 -
ns
t
su(SD_SR)
Data input setup time Slave receiver 2 -
t
h(SD_MR)
Data input hold time
Master receiver 0 -
t
h(SD_SR)
Slave receiver 0 -
t
v(SD_ST)
Data output valid time
Slave transmitter
(after enable edge)
-29
t
h(SD_ST)
Data output hold time
Slave transmitter
(after enable edge)
12 -
t
v(SD_MT)
Data output valid time
Master transmitter
(after enable edge)
-3
t
h(SD_MT)
Data output hold time
Master transmitter
(after enable edge)
2-
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