AN4938 Rev 4 45/46
AN4938 Revision history
45
11 Revision history
Table 10. Document revision history
Date Revision Changes
13-Jun-2017 1 Initial release.
26-Jan-2018 2
Added Section 1: General information.
Updated Figure 18: STM32H753XI reference
schematic.
18-Mar-2019 3
Document generalized to all STM32H74xx and
STM32H75xx.
Added Table 1: Applicable products on cover page.
Added Arm notice in Section 1: General information.
Updated Section 2.1: Introduction and Section 2.2:
Power supply scheme.
Updated Figure 4: Power on reset/power down reset
waveform, Section 2.3.4: System reset and
Section 2.3.7: Bypass mode.
Updated Section 4.1: HSE oscillator clock.
Updated Section 4.2: LSE oscillator clock.
Updated Figure 18: STM32H753XI reference
schematic.
09-May-2019 4
Added VSO0 in Section 2.1.4: LDO voltage regulator.
Added SMPS:
– Added note 2. below Figure 2:
VDD33USB/VDD50USB connected to external power
supply.
– Added Section 2.1.5: SMPS step-down converter.
– Added
V
DDSMPS
, V
LXSMPS
and V
FBSMPS in
Section 2.2: Power supply scheme.
– Updated Figure 3: Power supply overview.
– Updated Section 8.1: Reference design description.
Added DSI:
– Added V
DDDSI
in note 1. below Figure 2:
VDD33USB/VDD50USB connected to external power
supply.
– Added
V
DDDSI
and V
DD12DSI
in Section 2.2: Power
supply scheme.
– Updated Figure 3: Power supply overview.
– Updated Section 8.1: Reference design description.
Changed the number of 100 nF capacitors to 4 in
Table 9: Optional components.
Updated Figure 18: STM32H753XI reference schematic
and removed Table Reference connection for all
packages.