Generic Board

STM32F103RCT6


Board

NameGeneric Board
PartSTM32
BrandUnknown
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 pinYes
VSSA pinNo
VREF- pinNo
VREF+ pinNo
Backup batteryHolder and pin (12.5mm / 12)

Regulator

ManufacturerAdvanced Monolithic Systems Inc.
PartAMS1117 (AMS1117)
PackageSOT89-3 3 pins
Input+4.6V to +15V
Output+3.3V @ 1A
DatasheetAMS1117.pdf

PCB

ColorBlue
Size (w x l)50mm x 50mm
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.
  • Note: There are three variants of this board. One with an STM32F103RBT6 device, one with an STM32F103RCT6 device, and one with an STM32F103RET6 device.

Pictures

Generic Board: Perspective view
Generic Board: Perspective view
Generic Board: Top view
Generic Board: Top view
Generic Board: Bottom view
Generic Board: Bottom view

Inputs & outputs


Reset button

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

BOOT0 jumper

Name BOOT0
Reference -
Type 2-way jumper
Connected to BOOT0
Mode N.A.

BOOT1 jumper

Name BOOT1
Reference -
Type 2-way jumper
Connected to PB2
Mode N.A.

Power source switch

Name -
Reference SW2
Type Switch
Connected to +5V USB
Mode N.A.

Power LED

Name PWR
Reference -
Type LED
Connected to +3.3V rail
Mode N.A.

User LED

Name LED1
Reference -
Type LED
Connected to PB11
Mode Sink

Connectors & headers


Header 1 properties

Name Unknown
Reference None
Type Pin header (2.54mm, 15x2, male)

Header 1 pins

# Name Function Connected to
1 B10 - PB10
2 B11 - PB11
3 B1 - PB1
4 B2 - PB2
5 C5 - PC5
6 B0 - PB0
7 A7 - PA7
8 C4 - PC4
9 A5 - PA5
10 A6 - PA6
11 A4 - PA4
12 3.3V - +3.3V rail
13 GND - Ground plane
14 A3 - PA3
15 A2 - PA2
16 A1 - PA1
17 A0 - PA0
18 VDDA - VDDA
19 GND - Ground plane
20 C3 - PC3
21 C2 - PC2
22 C1 - PC1
23 C0 - PC0
24 RST - NRST
25 D1 - PD1
26 D0 - PD0
27 C15 - PC15
28 C14 - PC14
29 C13 - PC13
30 VBAT - VBAT

Header 2 properties

Name Unknown
Reference None
Type Pin header (2.54mm, 15x2, male)

Header 2 pins

# Name Function Connected to
1 B12 - PB12
2 B13 - PB13
3 B14 - PB14
4 B15 - PB15
5 C6 - PC6
6 C7 - PC7
7 C8 - PC8
8 C9 - PC9
9 A8 - PA8
10 A9 - PA9
11 A10 - PA10
12 A11 - PA11
13 A12 - PA12
14 A13 - PA13
15 GND - Ground plane
16 3.3V - +3.3V rail
17 A14 - PA14
18 A15 - PA15
19 C10 - PC10
20 C11 - PC11
21 C12 - PC12
22 D2 - PD2
23 B3 - PB3
24 B4 - PB4
25 B5 - PB5
26 B6 - PB6
27 B7 - PB7
28 3.3V - +3.3V rail
29 B8 - PB8
30 B9 - PB9

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

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. +5V rail
20 - GND Ground plane

Serial and Power Header properties

Name Unknown
Reference None
Type Pin header (2.54mm, 4x2, male)

Serial and Power Header pins

# Name Function Connected to
1 5V - +5V rail
2 3.3V - +3.3V rail
3 5V - +5V rail
4 RX - PA10
5 3.3V - +3.3V rail
6 TX - PA9
7 GND - Ground plane
8 GMD - Ground plane