Datasheet

ManualsBrandsST ManualsEmbedded Processors & ControllersMicrocontroller 32bit 2MB LQFP
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DocID030538 Rev 3 187/226
STM32H743xI Electrical characteristics
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Figure 52. SAI master timing waveforms
Figure 53. SAI slave timing waveforms
MDIO characteristics
 
The MDIO controller is mapped on APB2 domain. The frequency of the APB bus should at 
least 1.5 times the MDC frequency: F
PCLK2 
 1.5 * F
MDC
.
Table 105. MDIO Slave timing parameters 
Symbol Parameter Min Typ Max Unit
F
sDC
Management data clock - - 40 MHz
t
d(MDIO)
Management data input/output output valid time 7820
nst
su(MDIO)
Management data input/output setup time 4--
t
h(MDIO)
Management data input/output hold time 1--
MS32771V1
SAI_SCK_X
SAI_FS_X
(output)
1/f
SCK
SAI_SD_X
(transmit)
t
v(FS)
Slot n
SAI_SD_X
(receive)
t
h(FS)
Slot n+2
t
v(SD_MT)
t
h(SD_MT)
Slot n
t
su(SD_MR)
t
h(SD_MR)
MS32772V1
SAI_SCK_X
SAI_FS_X
(input)
SAI_SD_X
(transmit)
t
su(FS)
Slot n
SAI_SD_X
(receive)
t
w(CKH_X)
t
h(FS)
Slot n+2
t
v(SD_ST)
t
h(SD_ST)
Slot n
t
su(SD_SR)
t
w(CKL_X)
t
h(SD_SR)
1/f
SCK
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