Unless otherwise specified, all resistors, capacitors, and LEDs are in 0603 packages.
Unspecified part numbers are either generic with (virtually) no design constraints, or were not sourced from a distributor with an offical part number.
| RefDes | P/N | Notes |
|---|---|---|
| U1 | STM32F042F6 | STM32F042F6 |
| U2 | MIC5504-3.3YM5 | 5V -> 3.3V LDO, SOT-23-5 |
| S1 | ADTSM31NV | Momentary pushbutton, bootloader enable |
| S2 | ADTSM31NV | Momentary pushbutton, reset |
| J1 | Mini-USB type B connector | |
| J2 | GoPortHeader_th_10pack1 | 0.05" pitch, 2x5 shrouded male socket, SWD debug header for the dap42 |
| J3 | GoPortHeader_th_10pack1 | 0.05" pitch, 2x5 shrouded male socket, SWD debug header for the target |
| J4 | 0.1" pitch, 4-pin header for external UART | |
| J5 | 0.1" pitch, 4-pin header for 3.3V and 5V power and ground | |
| D1 | LED, LED0/Connected | |
| D2 | LED, LED1/Running | |
| D3 | LED, LED2/USB activity | |
| R1 | 1kOhm | |
| R2 | 1kOhm | |
| R3 | 1kOhm | |
| R4 | 10kOhm | |
| C1 | 0.1uF | |
| C2 | 0.1uF | |
| C3 | 0.1uF | |
| C4 | 1uF | |
| C5 | 1uF |
1. P/N is for a 10-pack of shrouded headers, can also substitute unshrouded male headers