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STM32F446MEYx
STMicroelectronics Arm Cortex-M4 MCU, 512KB flash, 128KB RAM, 180 MHz, 1.8-3.6V, 63 GPIO, WLCSP81
Schematic Symbol
Pin Configuration (81 pins)
| Pin | Name | Type |
|---|---|---|
| A1 | VDD | power_in |
| A2 | PC12 | bidirectional |
| A3 | PD4 | bidirectional |
| A4 | PD7 | bidirectional |
| A5 | PB3 | bidirectional |
| A6 | PB5 | bidirectional |
| A7 | BOOT0 | input |
| A8 | VDD | power_in |
| A9 | PE4 | bidirectional |
| B1 | VSS | power_in |
| B2 | PA15 | bidirectional |
| B3 | PD0 | bidirectional |
| B4 | PD6 | bidirectional |
| B5 | PB4 | bidirectional |
| B6 | PB7 | bidirectional |
| B7 | VSS | passive |
| B8 | PDR_ON | input |
| B9 | VBAT | power_in |
| C1 | PA11 | bidirectional |
| C2 | VCAP_2 | power_out |
| C3 | PA14 | bidirectional |
| C4 | PD1 | bidirectional |
| C5 | PB6 | bidirectional |
| C6 | PB8 | bidirectional |
| C7 | PB9 | bidirectional |
| C8 | PC13 | bidirectional |
| C9 | PC14 | bidirectional |
| D1 | PC9 | bidirectional |
| D2 | PA13 | bidirectional |
| D3 | PC10 | bidirectional |
| D4 | PC11 | bidirectional |
| D5 | PD2 | bidirectional |
| D6 | PE3 | bidirectional |
| D7 | PE2 | bidirectional |
| D8 | NRST | input |
| D9 | PC15 | bidirectional |
| E1 | VDDUSB | power_in |
| E2 | PA8 | bidirectional |
| E3 | PA10 | bidirectional |
| E4 | PA12 | bidirectional |
| E5 | PA7 | bidirectional |
| E6 | PA3 | bidirectional |
| E7 | PA2 | bidirectional |
| E8 | PC2 | bidirectional |
| E9 | PH0 | bidirectional |
| F1 | PC6 | bidirectional |
| F2 | PC7 | bidirectional |
| F3 | PC8 | bidirectional |
| F4 | PA9 | bidirectional |
| F5 | PB0 | bidirectional |
| F6 | PA5 | bidirectional |
| F7 | VSSA | power_in |
| F8 | PC3 | bidirectional |
| F9 | PH1 | bidirectional |
| G1 | PD13 | bidirectional |
| G2 | PD12 | bidirectional |
| G3 | PB15 | bidirectional |
| G4 | PB12 | bidirectional |
| G5 | PE9 | bidirectional |
| G6 | PA6 | bidirectional |
| G7 | PA1 | bidirectional |
| G8 | VSS | passive |
| G9 | PC0 | bidirectional |
| H1 | PD11 | bidirectional |
| H2 | PB13 | bidirectional |
| H3 | VSS | passive |
| H4 | PB10 | bidirectional |
| H5 | PE8 | bidirectional |
| H6 | PB1 | bidirectional |
| H7 | PA4 | bidirectional |
| H8 | VREF+ | input |
| H9 | VDD | power_in |
| J1 | PB14 | bidirectional |
| J2 | VDD | power_in |
| J3 | VCAP_1 | power_out |
| J4 | PE10 | bidirectional |
| J5 | PE7 | bidirectional |
| J6 | PB2 | bidirectional |
| J7 | PC4 | bidirectional |
| J8 | BYPASS_REG | input |
| J9 | PA0 | bidirectional |
Footprint
ConfirmedPackage_CSP/ST_WLCSP-81_Die421
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 |