Euse Board

STM32F103RCT6


Board

NameEuse Board
PartUnknown
BrandEuse
OriginChina

Microcontroller

PartSTM32F103RCT6
ManufacturerST-Microelectronics
CoreArm Cortex-M3
Max. Clock Speed72MHz
PackageUFQFPN 64 pins

Internal memories

FLASH256KiB
SRAM48KiB

Oscillators

HSI8MHz
LSI40kHz
HSE8MHz
LSE32.768kHz

Power

Sources
Any +3.3V pin (+3.3V)
Any +5V pin (+5V)
USB connector (+5V)
VDDA pinNo
VSSA pinNo
VREF- pinNo
VREF+ pinNo
Backup batteryHolder (12.5mm / 12)

Regulator

ManufacturerHoltek Semiconductor Inc.
PartHT7533 (HT7533)
PackageSOT89-3 3 pins
Input+3.4V to +24V
Output+3.3V @ 100mA
DatasheetHT75xx.pdf

PCB

ColorBlack
Size (w x l)54mm x 68mm
Mounting4x mounting hole (M2)

Remarks

  • Warning: The +5V pins on this board are directly connected to the +5V pin of the USB connector. There is no protection in place. Do not power this board through USB and an external power supply at the same time.

Pictures

Euse Board: Perspective view
Euse Board: Perspective view
Euse Board: Top view
Euse Board: Top view
Euse Board: Bottom view
Euse Board: Bottom view

Inputs & outputs


Reset button

Name RESET
Reference -
Type Button
Connected to NRST
Mode Active low

BOOT0 DIP switch

Name BOOT0
Reference -
Type Switch
Connected to BOOT0
Mode N.A.

BOOT1 DIP switch

Name BOOT1
Reference -
Type Switch
Connected to PB2
Mode N.A.

User LED enable

Name -
Reference LS1
Type 1-way jumper
Connected to PB10 - User LED (LD1)
Mode N.A.

USB D+ enable

Name -
Reference US1
Type 1-way jumper
Connected to USB D+
Mode N.A.

USB D- enable

Name -
Reference US2
Type 1-way jumper
Connected to USB D-
Mode N.A.

OSC_32_IN enable

Name -
Reference MS1
Type 1-way jumper
Connected to OSC_32_IN
Mode N.A.

OSC_32_OUT enable

Name -
Reference MS2
Type 1-way jumper
Connected to OSC_32_OUT
Mode N.A.

OSC_IN enable

Name -
Reference MS3
Type 1-way jumper
Connected to OSC_IN
Mode N.A.

OSC_OUT enable

Name -
Reference MS4
Type 1-way jumper
Connected to OSC_OUT
Mode N.A.

VBAT jumper

Name -
Reference J7
Type 2-way jumper
Connected to VBAT
Mode +3.3V rail or battery

Power LED

Name -
Reference PD1
Type LED
Connected to +5V rail
Mode N.A.

User LED

Name -
Reference LD1
Type LED
Connected to PB10
Mode Sink

Connectors & headers


Header 1 properties

Name Unknown
Reference J3
Type Pin header (2.54mm, 14x2, male)

Header 1 pins

# Name Function Connected to
1 PA6 - PA6
2 PA7 - PA7
3 PA5 - PA5
4 PA4 - PA4
5 PC14 - PC14
6 PC15 - PC15
7 PA15 - PA15
8 PD2 - PD2
9 PB7 - PB7
10 PB6 - PB6
11 PB3 - PB3
12 PB4 - PB4
13 PA0 - PA0
14 PA1 - PA1
15 PA2 - PA2
16 PA3 - PA3
17 PA13 - PA13
18 PA14 - PA14
19 PB0 - PB0
20 PB5 - PB5
21 PA11 - PA11
22 PA12 - PA12
23 PA9 - PA9
24 PA10 - PA10
25 PB1 - PB1
26 PC13 - PC13
27 5V - +5V rail
28 GND - Ground plane

Header 2 properties

Name Unknown
Reference J2
Type Pin header (2.54mm, 14x2, male)

Header 2 pins

# Name Function Connected to
1 PB8 - PB8
2 PB9 - PB9
3 PB10 - PB10
4 PB11 - PB11
5 PB12 - PB12
6 PB13 - PB13
7 PB14 - PB14
8 PB15 - PB15
9 PC0 - PC0
10 PC1 - PC1
11 PC2 - PC2
12 PC3 - PC3
13 PC4 - PC4
14 PC5 - PC5
15 PC6 - PC6
16 PC7 - PC7
17 PC8 - PC8
18 PC9 - PC9
19 PC10 - PC10
20 PC11 - PC11
21 PC12 - PC12
22 PA8 - PA8
23 PB2 - PB2
24 PD0 - PD0
25 PD1 - PD1
26 NC - N.C.
27 3V3 - 3.3V rail
28 GND - Ground plane

USB connector properties

Name Unknown
Reference None
Type USB Mini

USB connector pins

# Name Function Connected to
1 - VCC +5V rail
2 - D- PA11
3 - D+ PA12
4 - ID N.C.
5 - GND Ground plane

SWD header properties

Name Unknown
Reference None
Type Pin header (2.54mm, 4x1, female)

SWD header pins

# Name Function Connected to
1 3.3V VCC +3.3V rail
2 SWDIO SWDIO PA13
3 SWCLK SWCLK PA14
4 GND GND Ground plane

JTAG header properties

Name Unknown
Reference None
Type IDC (2.54mm, 10x2, male)

JTAG header pins

# Name Function Connected to
1 - VCC +3.3V rail
2 - VCC +3.3V rail
3 - TRST PB4
4 - GND Ground plane
5 - TDI PA15
6 - GND Ground plane
7 - TMS / SWDIO PA13
8 - GND Ground plane
9 - TCLK / SWCLK PA14
10 - GND Ground plane
11 - RTCK N.C.
12 - GND Ground plane
13 - TDO / SWO PB3
14 - GND Ground plane
15 - RESET NRST
16 - GND Ground plane
17 - N.C. N.C.
18 - GND Ground plane
19 - N.C. N.C.
20 - GND Ground plane

Serial header properties footprint

Name Unknown
Reference None
Type Pin header (2.54mm, 4x1, male)

Serial header pins footprint

# Name Function Connected to
1 3.3V - +3.3V rail
2 TX - PA9
3 RX - PA10
4 GND - Ground plane