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STM32U535NCYxQ
STMicroelectronics Arm Cortex-M33 MCU, 256KB flash, 274KB RAM, 39 GPIO, WLCSP56
Schematic Symbol
Pin Configuration (56 pins)
| Pin | Name | Type |
|---|---|---|
| A1 | VDD | power_in |
| A3 | PA15 | bidirectional |
| A5 | PA14 | bidirectional |
| A7 | PB5 | bidirectional |
| A9 | PB8 | bidirectional |
| A11 | VDD11 | power_in |
| A13 | VDD | power_in |
| B2 | VSS | power_in |
| B4 | PB3 | bidirectional |
| B6 | PB4 | bidirectional |
| B8 | PH3 | bidirectional |
| B10 | VSS | passive |
| B12 | PE4 | bidirectional |
| B14 | VBAT | power_in |
| C1 | PA11 | bidirectional |
| C3 | PA12 | bidirectional |
| C5 | PA13 | bidirectional |
| C7 | PB6 | bidirectional |
| C9 | PB9 | bidirectional |
| C11 | PE3 | bidirectional |
| C13 | PC14 | bidirectional |
| D2 | PA9 | bidirectional |
| D4 | PA10 | bidirectional |
| D6 | PA3 | bidirectional |
| D8 | PB7 | bidirectional |
| D10 | PE5 | bidirectional |
| D12 | PC13 | bidirectional |
| D14 | PC15 | bidirectional |
| E1 | PB14 | bidirectional |
| E3 | PB12 | bidirectional |
| E5 | PA8 | bidirectional |
| E7 | PA2 | bidirectional |
| E9 | NRST | input |
| E11 | PH1 | bidirectional |
| E13 | PH0 | bidirectional |
| F2 | PB15 | bidirectional |
| F4 | PB1 | bidirectional |
| F6 | PB0 | bidirectional |
| F8 | PA5 | bidirectional |
| F10 | PA0 | bidirectional |
| F12 | VDDA | power_in |
| F14 | VSSA | power_in |
| G1 | PB13 | bidirectional |
| G3 | VSS | passive |
| G5 | VSSSMPS | power_in |
| G7 | PB2 | bidirectional |
| G9 | PA6 | bidirectional |
| G11 | PA4 | bidirectional |
| G13 | PA1 | bidirectional |
| H2 | VDD | power_in |
| H4 | VDD11 | power_in |
| H6 | VDDSMPS | power_in |
| H8 | VLXSMPS | power_in |
| H10 | PA7 | bidirectional |
| H12 | VDD | power_in |
| H14 | VSS | passive |
Footprint
ConfirmedPackage_CSP/ST_WLCSP-56_3.38x3.38mm_Layout14x8_P0.4mm_Stagger
Pad Layout
A1
A3
A5
A7
A9
A11
A13
B2
B4
B6
B8
B10
B12
B14
C1
C3
C5
C7
C9
C11
C13
D2
D4
D6
D8
D10
D12
D14
E1
E3
E5
E7
E9
E11
E13
F2
F4
F6
F8
F10
F12
F14
G1
G3
G5
G7
G9
G11
G13
H2
H4
H6
H8
H10
H12
H14
Pads (56)
| Number | Type |
|---|---|
| A1 | smd |
| A3 | smd |
| A5 | smd |
| A7 | smd |
| A9 | smd |
| A11 | smd |
| A13 | smd |
| B2 | smd |
| B4 | smd |
| B6 | smd |
| B8 | smd |
| B10 | smd |
| B12 | smd |
| B14 | smd |
| C1 | smd |
| C3 | smd |
| C5 | smd |
| C7 | smd |
| C9 | smd |
| C11 | smd |
| C13 | smd |
| D2 | smd |
| D4 | smd |
| D6 | smd |
| D8 | smd |
| D10 | smd |
| D12 | smd |
| D14 | smd |
| E1 | smd |
| E3 | smd |
| E5 | smd |
| E7 | smd |
| E9 | smd |
| E11 | smd |
| E13 | smd |
| F2 | smd |
| F4 | smd |
| F6 | smd |
| F8 | smd |
| F10 | smd |
| F12 | smd |
| F14 | smd |
| G1 | smd |
| G3 | smd |
| G5 | smd |
| G7 | smd |
| G9 | smd |
| G11 | smd |
| G13 | smd |
| H2 | smd |
| H4 | smd |
| H6 | smd |
| H8 | smd |
| H10 | smd |
| H12 | smd |
| H14 | smd |