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STM32WBA55HEFx
STMicroelectronics Arm Cortex-M33 MCU, 512KB flash, 96KB RAM, 100 MHz, 1.71-3.6V, 20 GPIO, WLCSP41
Schematic Symbol
Pin Configuration (41 pins)
| Pin | Name | Type |
|---|---|---|
| A6 | VDDRF | power_in |
| A8 | OSC_IN | input |
| A10 | VDD | power_in |
| A12 | VSSSMPS | power_in |
| B5 | VDDANA | power_in |
| B7 | OSC_OUT | output |
| B9 | VSS | power_in |
| B11 | VDD11 | power_in |
| B13 | VDDSMPS | power_in |
| C2 | RF | bidirectional |
| C4 | VDDHPA | power_in |
| C6 | VDDRFPA | power_in |
| C8 | PH3 | bidirectional |
| C10 | PB12 | bidirectional |
| C12 | VLXSMPS | power_in |
| D1 | VSSRF | power_in |
| D3 | VSSRF | power_in |
| D5 | VSSRF | power_in |
| D7 | PA8 | bidirectional |
| D9 | PA6 | bidirectional |
| D11 | PA7 | bidirectional |
| D13 | VSSA | power_in |
| E2 | NRST | input |
| E4 | PB15 | bidirectional |
| E6 | PA12 | bidirectional |
| E8 | PA13 | bidirectional |
| E10 | PA1 | bidirectional |
| E12 | VDDA | power_in |
| F1 | PA14 | bidirectional |
| F3 | PA15 | bidirectional |
| F5 | PB4 | bidirectional |
| F7 | PC15 | bidirectional |
| F9 | PB9 | bidirectional |
| F11 | PA2 | bidirectional |
| F13 | PA5 | bidirectional |
| G2 | PB3 | bidirectional |
| G4 | VDD | power_in |
| G6 | VSS | power_in |
| G8 | PC14 | bidirectional |
| G10 | PB8 | bidirectional |
| G12 | PA0 | bidirectional |
Footprint
ConfirmedPackage_CSP/ST_WLCSP-41_2.98x2.76mm_Layout13x7_P0.4mm_Stagger
Pad Layout
A6
A8
A10
A12
B5
B7
B9
B11
B13
C2
C4
C6
C8
C10
C12
D1
D3
D5
D7
D9
D11
D13
E2
E4
E6
E8
E10
E12
F1
F3
F5
F7
F9
F11
F13
G2
G4
G6
G8
G10
G12
Pads (41)
| Number | Type |
|---|---|
| A6 | smd |
| A8 | smd |
| A10 | smd |
| A12 | smd |
| B5 | smd |
| B7 | smd |
| B9 | smd |
| B11 | smd |
| B13 | smd |
| C2 | smd |
| C4 | smd |
| C6 | smd |
| C8 | smd |
| C10 | smd |
| C12 | smd |
| D1 | smd |
| D3 | smd |
| D5 | smd |
| D7 | smd |
| D9 | smd |
| D11 | smd |
| D13 | smd |
| E2 | smd |
| E4 | smd |
| E6 | smd |
| E8 | smd |
| E10 | smd |
| E12 | smd |
| F1 | smd |
| F3 | smd |
| F5 | smd |
| F7 | smd |
| F9 | smd |
| F11 | smd |
| F13 | smd |
| G2 | smd |
| G4 | smd |
| G6 | smd |
| G8 | smd |
| G10 | smd |
| G12 | smd |