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STM32WBA55HGFx
STMicroelectronics Arm Cortex-M33 MCU, 1024KB flash, 128KB 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
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 |