License

MIT

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STM32 Cheap-STM-Link

4 months ago 203
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

Features:

  • SWD-only, 3.3V-only targets
  • PCB layout compatible with ST-Link
  • both 3.3V and 5V power supply to target
    • 5V USB is protected from target's 5V
  • Compact form-factor
  • Pain-in-the-* 0402 capacitors

In case of failure (or low voltage on 5V pin) at first check following:

  • Fuse
  • AO3401A FET

Manual assebly order:

  • Top layer: 100nf bypass caps, then MCU, resistors/caps, BJT/FET, LEDs
  • Bottom layer: resistors/caps, LEDS

Documents

PCB

Schematics

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part
1 100n C9,C8,C3,C5,C6 0402-CAP 5 GRM155R61A104KA01D
2 1k R13,R15 0603 2 RTT031001FTP
3 1u C10 0603-CAP 1 CL10A105KO8NNNC
4 10uF C4 0603-CAP 1 CL10A106MQ8NNNC
5 8MHz X1 OSC-49S-1 1 X49SD8MSD2SC
6 Led LED,LED1 LED-0603 2 BL-HB336G-TRB
7 20pF C1,C2 0402 2 0402CG200J500NT
8 22uF C7 0603-CAP 1 CC0603MRX5R5BB226
9 100K R4 R0603 1 RTT03104JTP
10 0438002.WR U3 0603 1 0438002.WR
11 S7B-ZR-3.4 (LF)(SN) DEBUG_OUT CONN-TH_S7B-ZR-3.4 (LF)(SN) 1 -
12 AO3401A Q3 SOT-23(SOT-23-3) 1 AO3401A
13 ESD5305F-6/TR D1 SOT23-6 1 ESD5305F-6/TR
14 22 R1,R2,R17 0603 3 RS-03K220JT
15 47k R6,R7 0603 2 ?
16 100 R20,R9,R10,R5 0603 4 ?
17 1.5k R3 0603 1 0603WAF1501T5E
18 S2B-ZR (LF)(SN) U4 CONN-TH_S2B-ZR (LF)(SN) 1 -
19 10K R8,R11 R0603 2 RTT031002FTP
20 DMMT5401-7-F Q1 SOT-23-6 1 DMMT5401-7-F
21 4.7K R12,R14,R21 R0603 3 RTT03472JTP
22 SE8117T33HF U2 SOT-223-3LEAD_TABPIN2 1 SE8117T33HF
23 U-F-M5DD-Y-L1 USB1 MICRO-USB-A8 1 U-F-M5DD-Y-L1
24 SD103AWS_C181207 D2 SOD-323_L1.8-W1.3-LS2.5-RD 1 SD103AWS
25 2.7K R22 R0603 1 0603WAF2701T5E
26 STM32F103C8T6 U1 LQFP-48_7X7X05P 1 STM32F103C8T6

Attachments

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Members

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