STM32F051X4 STMICROELECTRONICS [STMicroelectronics], STM32F051X4 Datasheet - Page 89

• Manufacturer Part Number: STM32F051X4
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Electrical characteristics
Table 67.
1. Data based on design simulation and/or characterization results, not tested in production.
2. Depends on f
90/105
f
1/t
t
t
t
t
t
t
t
t
DuCy(SCK)
t
t
t
t
t
t
t
t
CK
r(CK)
f(CK)
w(CKH)
w(CKL)
v(WS)
h(WS)
su(WS)
h(WS)
su(SD_MR)
su(SD_SR)
h(SD_MR)
h(SD_SR)
v(SD_ST)
h(SD_ST)
v(SD_MT)
h(SD_MT)
c(CK)
Symbol
(1)
(1)
(1)
(1)
(1)
(1)
(1)(2)
(1)(2)
(1)
(1)(2)
(1)(2)
(1)
(1)
(1)
I
2
PCLK
S characteristics
I
I
I
I2S clock high time
I2S clock low time
WS valid time
WS hold time
WS setup time
WS hold time
I2S slave input clock duty
cycle
Data input setup time
Data input setup time
Data input hold time
Data output valid time
Data output hold time
Data output valid time
Data output hold time
2
2
2
S clock frequency
S clock rise time
S clock fall time
. For example, if f
Parameter
PCLK
=8 MHz, then T
Doc ID 022265 Rev 3
Master mode (data: 16 bits, Audio
frequency = 48 kHz)
Slave mode
Capacitive load C
Master f
frequency = 48 kHz
Master mode
Master mode
Slave mode
Slave mode
Slave mode
Master receiver
Slave receiver
Master receiver
Slave receiver
Slave transmitter (after enable
edge)
Slave transmitter (after enable
edge)
Master transmitter (after enable
edge)
Master transmitter (after enable
edge)
PCLK
PCLK
= 1/f
Conditions
= 16 MHz, audio
PLCLK
L
= 15 pF
=125 ns.
1.597
Min
306
312
0.5
25
13
0
2
2
7
0
2
0
-
-
6
4
-
-
1.601
Max
6.5
10
12
75
20
STM32F051x
-
-
-
-
-
-
-
-
-
-
-
4
-
MHz
Unit
ns
ns
%