Pin Grouping Audit

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Audit and pin grouping are complete. The official datasheet URL and package were corrected, and a critical pin mapping error on pins 22–24 was fixed: 22=VDD_1, 23=VCAP, 24=VSS_1.
  • All 48 pins are uniquely assigned: Power 6, Ground 4, GPIO/Analog 27, Oscillator/Clock 4, Reset 1, Boot/Debug 6.
  • Every pin now has a description, electrical type, Pin Group, and matching Section; no pins are duplicated.
  • Footprint matches LQFP-48, 7 × 7 mm, 0.5 mm pitch, with pads 1–48 mapped one-to-one.
  • Remaining gap: no explicit part-level Description property was found, although the project description contains the device summary.
A

adrian95

Assign a Terminal Order from 1 to 10, starting with Power. Power should be Terminal Order 1, and Ground should be last, Terminal Order 10. For Orientation, set Power to "Top" and Ground to "Bottom." For the remaining sections/groups, you may decide the Terminal Order and Orientation yourself. For Orientation, distribute them between "Left" and "Right" — don't put everything on one side. Each group/section should have a different orientation.

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I’ll assign one group-level order per section: Power first and Ground last, with the four remaining groups given distinct intermediate orders and distributed across Left and Right orientations.

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Updated all 48 terminals:
  • Power: Order 1, Top
  • Oscillator/Clock: Order 2, Left
  • Reset: Order 3, Right
  • GPIO/Analog: Order 4, Left
  • Boot/Debug: Order 5, Right
  • Ground: Order 10, Bottom
All sections still match their pin groups, and pin numbers, descriptions, types, and footprint mappings were preserved.
Audit symbol and footprint
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Files

Pins

Symbol

Layout

3D View

Name
Pin #
Type
Part Type
Pin Description
Pin Group
VBAT
1
Power In
Terminal
Backup-domain power supply input for RTC and backup registers.
Power
PC13
2
Bi-Directional
Terminal
PC13 general-purpose bidirectional I/O with alternate functions.
GPIO/Analog
PC14-OSC32_IN
3
Bi-Directional
Terminal
PC14 GPIO or 32.768 kHz LSE oscillator input.
Oscillator/Clock
PC15-OSC32_OUT
4
Bi-Directional
Terminal
PC15 GPIO or 32.768 kHz LSE oscillator output.
Oscillator/Clock
PH0-OSC_IN
5
Bi-Directional
Terminal
PH0 GPIO or high-speed external oscillator input.
Oscillator/Clock
PH1-OSC_OUT
6
Bi-Directional
Terminal
PH1 GPIO or high-speed external oscillator output.
Oscillator/Clock
NRST
7
Bi-Directional
Terminal
Active-low bidirectional system reset pin.
Reset
VSSA
8
Ground
Terminal
Analog ground reference.
Ground
VDDA
9
Power In
Terminal
Analog power supply input for analog peripherals.
Power
PA0
10
Bi-Directional
Terminal
PA0 general-purpose I/O with alternate-function and analog capability.
GPIO/Analog
PA1
11
Bi-Directional
Terminal
PA1 general-purpose I/O with alternate-function and analog capability.
GPIO/Analog
PA2
12
Bi-Directional
Terminal
PA2 general-purpose I/O with alternate-function and analog capability.
GPIO/Analog
PA3
13
Bi-Directional
Terminal
PA3 general-purpose I/O with alternate-function and analog capability.
GPIO/Analog
PA4
14
Bi-Directional
Terminal
PA4 general-purpose I/O with alternate-function and analog capability.
GPIO/Analog
PA5
15
Bi-Directional
Terminal
PA5 general-purpose I/O with alternate-function and analog capability.
GPIO/Analog
PA6
16
Bi-Directional
Terminal
PA6 general-purpose I/O with alternate-function and analog capability.
GPIO/Analog
PA7
17
Bi-Directional
Terminal
PA7 general-purpose I/O with alternate-function and analog capability.
GPIO/Analog
PB0
18
Bi-Directional
Terminal
PB0 general-purpose I/O with alternate-function and analog capability.
GPIO/Analog
PB1
19
Bi-Directional
Terminal
PB1 general-purpose I/O with alternate-function and analog capability.
GPIO/Analog
PB2
20
Bi-Directional
Terminal
PB2 general-purpose bidirectional I/O with alternate functions.
GPIO/Analog
PB10
21
Bi-Directional
Terminal
PB10 general-purpose bidirectional I/O with alternate functions.
GPIO/Analog
VDD_1
22
Power In
Terminal
Digital power supply input.
Power
VCAP
23
Power Out
Terminal
Internal regulator output; connect the required external VCAP capacitor.
Power

STM32U575CGT6