Mes main board
About the Mes main board
Mes main board is an open source STM32 PCB design by jmh8231-Dev, published on GitHub. It is a 6-layer board measuring 160 × 145 mm, with 727 components from 146 distinct parts.
Its main chip is the STM32MP257FAI3, from the STM32 family. Other key parts include the STPMIC25, ECMF4-40A100N10, ATmega328P-M, LBEE5KL1YN-814 and MT53E1G32D2FW-046. By type, the board carries 342 capacitors, 205 resistors, 48 ICs, 43 inductors, 39 diodes and 17 connectors.
From the project
STM32MP257 Embedded Main Board
STM32MP257 기반 임베디드 메인보드. DSI→HDMI, GbE, Wi-Fi/BT, eMMC/µSD/QSPI, USB 허브, CAN-FD, 하이파이 오디오 체인을 단일 보드에 통합하였다. 전원은 ATX-24로부터 공급되며, 보조 MCU ATmega328P가 “SoftKill Power” 시퀀스를 통해 안전한 전원 관리와 강제 종료 로깅을 담당한다.
- MPU: ST STM32MP257FAI3 (Cortex-A35 듀얼 + Cortex-M33) - 메모리/부트 - LPDDR4: Micron MT53E1G32D2FW-046 - eMMC: KIOXIA THGAMVG8T13BAIL - QSPI-NOR: Macronix MX25L51245G - microSD: GSD090012SEU - 네트워킹 - Gigabit PHY: Realtek RTL8211F-CG - MagJack: 48F-01GYD2NL - 무선: Murata LBEE5KL1YN-814 (802.11b/g/n, BT v5.2, SDIO + UART/PCM) - 비디오/디스플레이 - Analog Devices ADV7535 (MIPI-DSI → HDMI 1.4) - HDMI ESD 보호…
Main components on the Mes main board
Mes main board bill of materials (BOM)
727 components, 146 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32MP257FAI3 | BGA436C80P22X22_1800X1800X120 | U1 |
| 1 | STPMIC25 | QFN40P650X650X90-57N-D | U2 |
| 7 | ECMF4-40A100N10 | ECMF440A100N10 | U3, U11, U12, U21, U22, U41, U43 |
| 1 | ATmega328P-M | QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm | U4 |
| 1 | LBEE5KL1YN-814 | LBEE5KL1YN814 | U5 |
| 1 | MT53E1G32D2FW-046 | BGA-200_10.0x14.5mm_Layout12x22_P0.80x0.65mm | U6 |
| 1 | THGAMVG8T13BAIL | BGA153N50P14X14_1300X1150X100N | U7 |
| 1 | MX25L51245G | BGA24C100P5X5_600X800X120 | U8 |
| 1 | ADV7535 | BGA49N50P7X7_346X346X66 | U9 |
| 1 | HDMI05-CL02F3 | BGA9C40P3X3_114X114X66 | U10 |
| 1 | RTL8211F-CG | QFN-40-1EP_5x5mm_P0.4mm_EP3.8x3.8mm | U13 |
| 4 | HSP051-4M10 | HSP0514M10 | U14, U15, U16, U17 |
| 1 | USB2514B_Bi | QFN-36-1EP_6x6mm_P0.5mm_EP3.7x3.7mm | U18 |
| 2 | STMPS2252MTR | SOIC-8_3.9x4.9mm_P1.27mm | U19, U20 |
| 2 | TPS7A4701xRGW | Texas_RGW0020A_VQFN-20-1EP_5x5mm_P0.65mm_EP3.15x3.15mm_ThermalVias | U23, U28 |
| 2 | MCP2562FD | DFN-8-1EP_3x3mm_P0.65mm_EP1.55x2.4mm | U24, U25 |
| 1 | AK4458VN | QFN-48-1EP_7x7mm_P0.5mm_EP5.1x5.1mm_ThermalVias | U26 |
| 5 | ECMF2-40A100N6 | ECMF240A100N6 | U27, U37, U38, U39, U42 |
| 1 | TPS7A3301RGW | Texas_RGW0020A_VQFN-20-1EP_5x5mm_P0.65mm_EP3.15x3.15mm_ThermalVias | U29 |
| 2 | TVS | SOT-23-6 | U30, U32 |
Show 126 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | FT232RL | SSOP-28_5.3x10.2mm_P0.65mm | U31, U33 |
| 2 | OPA1611 | SOIC-8_3.9x4.9mm_P1.27mm | U34, U35 |
| 1 | REF7050 | VSSOP-8_3x3mm_P0.65mm | U36 |
| 1 | FUSB340TMX | FUSB340TMX | U40 |
| 2 | SN74LVC1T45DBV | SOT-23-6 | U44, U45 |
| 3 | INA219BxD | SOIC-8_3.9x4.9mm_P1.27mm | U46, U47, U48 |
| 6 | BSS138 | SOT-23 | Q1, Q2, Q3, Q4, Q5, Q6 |
| 2 | TCXO 24MHz | ECS-TXO-2520 | Y1, Y3 |
| 1 | TCXO 25MHZ | ECS-TXO-2520 | Y2 |
| 1 | TCXO 40MHZ | ECS-TXO-2520 | Y4 |
| 1 | 32.768kHz | ECX-.327-CDX-1293 | Y5 |
| 1 | 16MHz | TSX-3225 16.0000MF18X-AC0 | Y6 |
| 1 | ATX-24 | Molex_Mini-Fit_Jr_5569-24A1_2x12_P4.20mm_Horizontal | J1 |
| 1 | Power SW | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | HDMI_A_1.4 | HDMI_A_Molex_208658-1001_Horizontal | J3 |
| 1 | 48F-01GYD2NL | RJ45_Wuerth_7499111446_Horizontal | J4 |
| 2 | USB_A_Stacked | USB_A_Wuerth_61400826021_Horizontal_Stacked | J5, J16 |
| 1 | USB 3.0 | USB_C_Receptacle_Amphenol_12401610E4-2A | J6 |
| 1 | RFID | PinHeader_1x03_P2.54mm_Vertical | J7 |
| 1 | USB Type C(A35) | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J8 |
| 1 | CAN1 T-Res | PinHeader_1x02_P2.54mm_Vertical | J9 |
| 1 | CAN2 T-Res | PinHeader_1x02_P2.54mm_Vertical | J11 |
| 1 | LineOUT | Jack_3.5mm_CUI_SJ1-3533NG_Horizontal | J13 |
| 1 | USB Type C(M33) | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J14 |
| 1 | ST-Link | IDC-Header_2x10_P2.54mm_Vertical | J15 |
| 1 | 2-1734592-2 | Hirose_FH12-22S-0.5SH_1x22-1MP_P0.50mm_Horizontal | J17 |
| 1 | LVDS | Hirose_FH12-40S-0.5SH_1x40-1MP_P0.50mm_Horizontal | J18 |
| 1 | PMIC ISP | PinHeader_2x03_P2.54mm_Vertical | J19 |
| 1 | P2ML4452-1-A.DXF | LBEE5KL1YN_ANT | AE1 |
| 1 | CR2032 | BAT-HLD-001 | BT1 |
| 1 | Buzzer | Buzzer_12x9.5RM7.6 | BZ1 |
| 1 | 2.5A | Fuse_1812_4532Metric | F1 |
| 1 | 3A | Fuse_2920_7451Metric | F2 |
| 2 | 500mA | Fuse_1210_3225Metric | F3, F4 |
| 1 | ATmega328p Reset | SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm | JP1 |
| 2 | IMP34DT05TR | MIC_MP34DT06JTR | MIC1, MIC2 |
| 1 | GSD090012SEU | AMPHENOL_GSD090012SEU | SD1 |
| 1 | WakeUP | TLSMDT3C020GLFS | SW1 |
| 1 | RESET | TLSMDT3C020GLFS | SW2 |
| 1 | SW1 | TLSMDT3C020GLFS | SW3 |
| 1 | SW2 | TLSMDT3C020GLFS | SW4 |
| 1 | Tamper | TLSMDT3C020GLFS | SW5 |
| 1 | BOOT Mode | SW_DIP_SPSTx04_Slide_6.7x11.72mm_W7.62mm_P2.54mm_LowProfile | SW6 |
| 1 | AS6221(eMMC) | Texas_DSBGA-6_0.95x1.488mm_Layout2x3_P0.4mm | Temp1 |
| 1 | AS6221(DRAM) | Texas_DSBGA-6_0.95x1.488mm_Layout2x3_P0.4mm | Temp2 |
| 1 | AS6221(PMIC) | Texas_DSBGA-6_0.95x1.488mm_Layout2x3_P0.4mm | Temp3 |
| 1 | AS6221(QSPI) | Texas_DSBGA-6_0.95x1.488mm_Layout2x3_P0.4mm | Temp4 |
| 1 | PWR OK | LED_0805_2012Metric | D1 |
| 1 | +12V | LED_0805_2012Metric | D2 |
| 1 | +5V | LED_0805_2012Metric | D3 |
| 1 | +5VSB | LED_0805_2012Metric | D4 |
| 1 | PS ON | LED_0805_2012Metric | D5 |
| 1 | M1 | D_SMA | D6 |
| 1 | BAR18FILM | SOT-23 | D7 |
| 1 | 1Gbps | LED_0805_2012Metric | D8 |
| 4 | ESDA7P120-1U1M | ST_QFN-2L_1.6x1.0mm | D9, D10, D11, D12 |
| 1 | SUSP IND | LED_0805_2012Metric | D13 |
| 1 | HS INT | LED_0805_2012Metric | D14 |
| 2 | ESDCAN24-2BLY | SOT-23 | D15, D16 |
| 1 | -12V | LED_0805_2012Metric | D17 |
| 1 | A35 Rx | LED_0805_2012Metric | D18 |
| 1 | A35 Tx | LED_0805_2012Metric | D19 |
| 1 | M33 Rx | LED_0805_2012Metric | D20 |
| 1 | M33 Tx | LED_0805_2012Metric | D21 |
| 4 | ESDALC6V1 | D_SOD-882D | D22, D23, D24, D25 |
| 1 | RED | LED_0805_2012Metric | D26 |
| 1 | G | LED_0805_2012Metric | D27 |
| 1 | B | LED_0805_2012Metric | D28 |
| 1 | O | LED_0805_2012Metric | D29 |
| 7 | ESDA5V3L | SOT-23 | D30, D31, D32, D33, D34, D35, D36 |
| 1 | PMIC | LED_0805_2012Metric | D37 |
| 1 | OCP | LED_0805_2012Metric | D38 |
| 1 | OVP | LED_0805_2012Metric | D39 |
| 23 | Bead | L_0805_2012Metric | FB1, FB2, FB3, FB5, FB6, FB7, FB8, FB9 +15 |
| 5 | 0.68uH | L_1210_3225Metric | L1, L2, L3, L6, L7 |
| 3 | 2.2uH | L_1210_3225Metric | L4, L5, L9 |
| 1 | 2.4nH | L_0603_1608Metric | L8 |
| 6 | 10uH | L_0805_2012Metric | L10, L11, L12, L13, L14, L15 |
| 1 | 4.7uH | L_0805_2012Metric | L16 |
| 4 | 47uH | L_10.4x10.4_H4.8 | L17, L18, L19, L20 |
| 25 | 10uF | C_1206_3216Metric | C1, C2, C3, C4, C5, C6, C7, C39 +17 |
| 59 | 1uF | C_0603_1608Metric | C8, C9, C12, C13, C38, C51, C148, C160 +51 |
| 18 | 4.7uF | C_0805_2012Metric | C10, C11, C29, C31, C44, C45, C46, C47 +10 |
| 148 | 0.1uF | C_0603_1608Metric | C14, C30, C50, C53, C54, C60, C63, C64 +140 |
| 36 | 22uF | C_1206_3216Metric | C15, C16, C17, C18, C19, C20, C21, C22 +28 |
| 4 | 2200uF | CP_Radial_D12.5mm_P5.00mm | C52, C274, C281, C282 |
| 4 | C | C_0402_1005Metric | C55, C56, C220, C340 |
| 5 | 2.2uF | C_0805_2012Metric | C59, C83, C85, C87, C227 |
| 4 | 220uF | CP_Radial_D8.0mm_P3.50mm | C126, C132, C140, C226 |
| 1 | 1000pF | C_1206_3216Metric | C155 |
| 17 | 47uF | CP_EIA-6032-28_Kemet-C | C158, C167, C169, C171, C174, C185, C186, C195 +9 |
| 2 | 3.9nF | C_Disc_D7.5mm_W2.5mm_P5.00mm | C189, C192 |
| 4 | 470pF | C_0603_1608Metric | C190, C191, C193, C194 |
| 2 | 10pF | C_0603_1608Metric | C196, C197 |
| 1 | 10uF | C_1210_3225Metric | C219 |
| 4 | 6.8pF | C_0603_1608Metric | C265, C266, C267, C269 |
| 4 | 100uF | CP_EIA-7343-30_AVX-N | C277, C278, C283, C284 |
| 2 | 10uF | C_Rect_L18.0mm_W9.0mm_P15.00mm_FKS3_FKP3 | C316, C317 |
| 2 | 22pF | C_0603_1608Metric | C332, C333 |
| 31 | 0 | R_0603_1608Metric | R1, R2, R3, R4, R5, R6, R7, R8 +23 |
| 55 | 10k | R_0603_1608Metric | R12, R13, R14, R18, R19, R21, R25, R34 +47 |
| 6 | 100 | R_0603_1608Metric | R15, R17, R136, R141, R155, R195 |
| 4 | 3k | R_0603_1608Metric | R16, R22, R23, R24 |
| 2 | 240 | R_0603_1608Metric | R26, R27 |
| 18 | 22 | R_0603_1608Metric | R28, R52, R53, R54, R55, R56, R57, R58 +10 |
| 5 | 47k | R_0603_1608Metric | R29, R30, R31, R32, R33 |
| 5 | 200 | R_0603_1608Metric | R41, R168, R169, R170, R174 |
| 11 | 1k | R_0603_1608Metric | R42, R97, R98, R111, R142, R149, R150, R152 +3 |
| 3 | 2k | R_0603_1608Metric | R43, R45, R46 |
| 1 | 27k | R_0603_1608Metric | R47 |
| 1 | 2.49k | R_0603_1608Metric | R67 |
| 2 | 510 | R_0603_1608Metric | R68, R69 |
| 21 | 4.7k | R_0603_1608Metric | R70, R71, R72, R76, R77, R78, R79, R80 +13 |
| 4 | 270 | R_0603_1608Metric | R73, R161, R163, R165 |
| 3 | 1.5k | R_0603_1608Metric | R82, R83, R84 |
| 6 | 100k | R_0603_1608Metric | R88, R94, R95, R96, R99, R166 |
| 1 | 12k | R_0603_1608Metric | R93 |
| 6 | 5.1k | R_0603_1608Metric | R103, R104, R143, R144, R180, R181 |
| 1 | 1.62M | R_0603_1608Metric | R105 |
| 1 | 215k | R_0603_1608Metric | R106 |
| 2 | 120 | R_0603_1608Metric | R113, R116 |
| 2 | 0 | R_0402_1005Metric | R114, R117 |
| 4 | 3.9k | R_0603_1608Metric | R123, R124, R130, R131 |
| 4 | 150 | R_0603_1608Metric | R126, R127, R133, R134 |
| 3 | 330 | R_0603_1608Metric | R151, R154, R159 |
| 3 | 0.1 | R_2816_7142Metric | R178, R185, R188 |
Mes main board design files
The KiCad project lives in the jmh8231-Dev/mes-main-board repository on GitHub; these links point at the commit this page was built from.
Mes main board: common questions
What microcontroller does the Mes main board use?
The Mes main board is built around the STM32MP257FAI3, from the STM32 family.
How big is the Mes main board?
The Mes main board measures 160 × 145 mm, has 6 copper layers and is 1.5584 mm thick.
How many components are on the Mes main board?
727 components, from 146 distinct parts. The full bill of materials is listed on this page.
Where can I download the Mes main board design files?
From the jmh8231-Dev/mes-main-board repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Mes main board design in my own project?
The repository has no license, so all rights stay with jmh8231-Dev. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Mes main board without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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