STM32F042 Dev Board

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STD STM32F042 Dev Board

STM32

License: Public Domain

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Update time： 2024-02-04 09:26:27

Creation time： 2020-03-28 15:33:54

Description

# Description Development board for STM32F processors with TSSOP20 package. All GPIOs are broken out to pins. The PA11, PA12 pins are connected to the USB connector via jumpers so the GPIOs can be used as standard GPIOs. The SWD pins are broken out for easy flashing and debugging. Tested on STM32F042F6 but as many STM processors have the same or quite similar pinout, it can be used for other MCUs as well. # Board Pinout ![image.png](//image.easyeda.com/pullimage/g4tOUYDc9TmzOyoROMad5p1MN2hsMU9yHQNMm2up.png) # Notes R1 and R3 - fine tune the values according to your LEDs STM32F042 - do not solder R10, the oscillator is not necessary

Design Drawing

schematic diagram

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Board
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PCB

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(v2) PCB F042
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	JUMPER-2PTH	BOOT	1X02	1
2	1uF	C1	C0603	1
3	100nF	C2,C3	C0805	2
4	10M	C4,C5	C0805	2
5	SS32	D1	SMA(DO-214AC)	1
6	nSMD005	F1	F1206	1
7	Header-Female-2.54_1x9	H1,H2	HDR-TH_9P-P2.54-V	2
8	JUMPER2	JP1,JP2	JUMPER2	2
9	SWD	P1	HEADER-2.54-P4-ANG	1
10	XL-0603QYGC	PB8,PWR	LED-0603	2
11	510	R1,R3	0603_1608METRIC_PAD1.05X0.95MM_HANDSOLDER	2
12	100K	R2	0603_1608METRIC_PAD1.05X0.95MM_HANDSOLDER	1
13	10K	R4,R6,R9	0603_1608METRIC_PAD1.05X0.95MM_HANDSOLDER	3
14	1M	R5,R13	0603_1608METRIC_PAD1.05X0.95MM_HANDSOLDER	2
15	22R	R7,R8,R11,R12	0603_1608METRIC_PAD1.05X0.95MM_HANDSOLDER	4
16	1.5K	R10	0603_1608METRIC_PAD1.05X0.95MM_HANDSOLDER	1
17	1TS002E-2300-2501	RESET	KEY-TACT-SMD-6.13.72.5	1
18	Solder bridge	SB1,SB2	SOLDER_BRIDGE_0603	2
19	STM32F042F6P6	U1	TSSOP-20_L6.5-W4.4-P0.65-LS6.4-BL	1
20	Micro USB-B 5P_C40942	U3	MICRO-USB-SMD_5P-P0.65-H-F_U-MICRM05P-BF13	1
21	XC6220B331PR-G	U4	XC6220B331PR-G-HANDSOLDER	1
22	8MHz	X1	OSC-SMD_3P-L3.2-W1.3-P1.2-L	1