MB1936 board overview.
1. Board overview[edit | edit source]
Main board MB1936, revision C-01: part of the STM32MP257x-EV1 Evaluation board 
.
| Position | Description | Position | Description |
|---|---|---|---|
| 1 (LED1) | User LED (blue) [* 1] | 2 (LD1) | User LED (red) [* 1] |
| 3 (LD2) | User LED (orange) [* 1] | 4 (LD3) | User LED (green) [* 1] |
| 5 (B1) | RESET button | 6 (B2) | WAKE UP button |
| 7(B3) | TAMPER button | 8 (B4) | USER2 button |
| 9 (B5) | USER1 button | 10 (CN2) | LVDS connector |
| 11(CN4) | CSI connector | 12(CN3) | DSI connector |
| 13 (CN1) | microSD card connector | 14 (SW1) | Boot mode selection |
| 15 (U22) | S-NOR 512Mb | 16 (CN5) | GPIO Expansion connector |
| 17 (CN9) | FDCAN1 | 18 (CN11) | FDCAN2 |
| 19 (U26) | STPMIC25 | 20 (U27) | STM32MP257 |
| 21 (U24) | eMMC 4GB | 22 (U29) | DDR4 2GB |
| 23(U28) | DDR4 2GB | 24 (CN10) | PWR measurements connector |
| 25 (CN22) | MIPI10 connector | 26 (CN13) | Mini-PCIe connector |
| 27 (JP4) | Power Jumper | 28 (CN20) | 5V/3A Power Supply Jack |
| 29 (CN21) | USB Power – ST-LINK TypeC | 30 (CN16) | ETHERNET 2 / PHY ETH2 |
| 31 (CN17) | ETHERNET 1 / PHY ETH1 | 32 (CN18) | ETHERNET 3 / PHY ETH3 |
| 33 (CN19) | Dual USB Host TypeA | 34 (CN15) | USB2.0 DRD TypeC |
| 35 (LD7) | Ethernet LED (green)[* 2] | 36 (LD8) | Ethernet LED (green)[* 2] |
| 37 (LD9) | Ethernet LED (green)[* 2] | 38 (LD11) | Power LED (green)[* 3] |
| 39 (LD5) | ST-LINK/V3-1 LED (bicolor)[* 4] |
Details about some LEDs:
- ↑ 1.0 1.1 1.2 1.3 LD2, LD3, LD4, LD5 (MB1936): some user LEDs are used to reflect the system activity, while the others are left free to be used by the application, as explained in LEDs and buttons on STM32 MPU boards article
- ↑ 2.0 2.1 2.2 LD7, LD8, LD9 (MB1936): flashes green when Ethernet connection established
- ↑ LD11 (MB1936): turns green if power connection established
- ↑ LD6 (MB1263): flashes red if ST-LINK/V3-1 connection not established, else green
| Position | Description |
|---|---|
| 40(CN25) | mikroBUS connector |
2. Links[edit | edit source]