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STM32U073MBIx
STMicroelectronics Arm Cortex-M0+ MCU, 128KB flash, 40KB RAM, 69 GPIO, UFBGA81
Schematic Symbol
Pin Configuration (81 pins)
| Pin | Name | Type |
|---|---|---|
| A1 | PB8 | bidirectional |
| A2 | PF3 | bidirectional |
| A3 | PB4 | bidirectional |
| A4 | PB5 | bidirectional |
| A5 | PD4 | bidirectional |
| A6 | PD0 | bidirectional |
| A7 | PC12 | bidirectional |
| A8 | PC10 | bidirectional |
| A9 | PA15 | bidirectional |
| B1 | VBAT | power_in |
| B2 | PB9 | bidirectional |
| B3 | PB7 | bidirectional |
| B4 | PB6 | bidirectional |
| B5 | PD6 | bidirectional |
| B6 | PD1 | bidirectional |
| B7 | PC11 | bidirectional |
| B8 | PA14 | bidirectional |
| B9 | PA13 | bidirectional |
| C1 | PC15 | bidirectional |
| C2 | PC14 | bidirectional |
| C3 | PE3 | bidirectional |
| C4 | PB3 | bidirectional |
| C5 | PD5 | bidirectional |
| C6 | PD2 | bidirectional |
| C7 | VDDUSB | power_in |
| C8 | PA12 | bidirectional |
| C9 | PA11 | bidirectional |
| D1 | PF1 | bidirectional |
| D2 | PF0 | bidirectional |
| D3 | VDD | power_in |
| D4 | VSS | power_in |
| D5 | PD3 | bidirectional |
| D6 | VSS | passive |
| D7 | PA9 | bidirectional |
| D8 | PA10 | bidirectional |
| D9 | PC9 | bidirectional |
| E1 | PC0 | bidirectional |
| E2 | PF2 | bidirectional |
| E3 | PC13 | bidirectional |
| E4 | PA1 | bidirectional |
| E5 | PC8 | bidirectional |
| E6 | PC7 | bidirectional |
| E7 | PA8 | bidirectional |
| E8 | PC6 | bidirectional |
| E9 | PD13 | bidirectional |
| F1 | PC1 | bidirectional |
| F2 | PC2 | bidirectional |
| F3 | PA0 | bidirectional |
| F4 | VSS | passive |
| F5 | PB0 | bidirectional |
| F6 | VSS | passive |
| F7 | PB15 | bidirectional |
| F8 | PD11 | bidirectional |
| F9 | PD12 | bidirectional |
| G1 | PC3 | bidirectional |
| G2 | VSSA | power_in |
| G3 | VDD | power_in |
| G4 | PC5 | bidirectional |
| G5 | PE7 | bidirectional |
| G6 | PE8 | bidirectional |
| G7 | VDD | power_in |
| G8 | PD9 | bidirectional |
| G9 | PD10 | bidirectional |
| H1 | VREF+ | input |
| H2 | PA2 | bidirectional |
| H3 | PA5 | bidirectional |
| H4 | PA7 | bidirectional |
| H5 | PB1 | bidirectional |
| H6 | PE9 | bidirectional |
| H7 | PB11 | bidirectional |
| H8 | PB13 | bidirectional |
| H9 | PD8 | bidirectional |
| J1 | VDDA | power_in |
| J2 | PA3 | bidirectional |
| J3 | PA4 | bidirectional |
| J4 | PA6 | bidirectional |
| J5 | PC4 | bidirectional |
| J6 | PB2 | bidirectional |
| J7 | PB10 | bidirectional |
| J8 | PB12 | bidirectional |
| J9 | PB14 | bidirectional |
Footprint
ConfirmedPackage_BGA/ST_UFBGA-81_5x5mm_Layout9x9_P0.5mm
Pad Layout
Pads (81)
| Number | Type |
|---|---|
| A1 | smd |
| A2 | smd |
| A3 | smd |
| A4 | smd |
| A5 | smd |
| A6 | smd |
| A7 | smd |
| A8 | smd |
| A9 | smd |
| B1 | smd |
| B2 | smd |
| B3 | smd |
| B4 | smd |
| B5 | smd |
| B6 | smd |
| B7 | smd |
| B8 | smd |
| B9 | smd |
| C1 | smd |
| C2 | smd |
| C3 | smd |
| C4 | smd |
| C5 | smd |
| C6 | smd |
| C7 | smd |
| C8 | smd |
| C9 | smd |
| D1 | smd |
| D2 | smd |
| D3 | smd |
| D4 | smd |
| D5 | smd |
| D6 | smd |
| D7 | smd |
| D8 | smd |
| D9 | smd |
| E1 | smd |
| E2 | smd |
| E3 | smd |
| E4 | smd |
| E5 | smd |
| E6 | smd |
| E7 | smd |
| E8 | smd |
| E9 | smd |
| F1 | smd |
| F2 | smd |
| F3 | smd |
| F4 | smd |
| F5 | smd |
| F6 | smd |
| F7 | smd |
| F8 | smd |
| F9 | smd |
| G1 | smd |
| G2 | smd |
| G3 | smd |
| G4 | smd |
| G5 | smd |
| G6 | smd |
| G7 | smd |
| G8 | smd |
| G9 | smd |
| H1 | smd |
| H2 | smd |
| H3 | smd |
| H4 | smd |
| H5 | smd |
| H6 | smd |
| H7 | smd |
| H8 | smd |
| H9 | smd |
| J1 | smd |
| J2 | smd |
| J3 | smd |
| J4 | smd |
| J5 | smd |
| J6 | smd |
| J7 | smd |
| J8 | smd |
| J9 | smd |