vcc-gnd.com STM32F103RBT6

STM32F103RBT6


Board

Namevcc-gnd.com STM32F103RBT6
PartUnknown
Brandvcc-gnd.com
OriginChina

Microcontroller

PartSTM32F103RBT6
ManufacturerST-Microelectronics
CoreArm Cortex-M3
Max. Clock Speed72MHz
PackageUFQFPN 64 pins

Internal memories

FLASH128KiB
SRAM20KiB

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 batteryPin

Regulator

ManufacturerAdvanced Monolithic Systems Inc.
PartAMS1117 (AMS1117)
PackageSOT223 3 pins
Input+4.6V to +15V
Output+3.3V @ 1A
DatasheetAMS1117.pdf

PCB

ColorBlue
Size (w x l)49mm x 49mm
MountingNone

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

vcc-gnd.com STM32F103RBT6: Perspective view
vcc-gnd.com STM32F103RBT6: Perspective view
vcc-gnd.com STM32F103RBT6: Top view
vcc-gnd.com STM32F103RBT6: Top view
vcc-gnd.com STM32F103RBT6: Bottom view
vcc-gnd.com STM32F103RBT6: Bottom view

Inputs & outputs


Reset button

Name RESET
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 LED

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

User LED

Name PC13
Reference -
Type LED
Connected to PC13
Mode Sink

Connectors & headers


Header 1 properties

Name Unknown
Reference None
Type Pin header (2.54mm, 13x2, male)

Header 1 pins

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

Header 2 properties

Name Unknown
Reference None
Type Pin header (2.54mm, 13x2, male)

Header 2 pins

# Name Function Connected to
1 5v - +5V rail
2 GND - Ground plane
3 C13 - PC13
4 C0 - PC0
5 C1 - PC1
6 C2 - PC2
7 C3 - PC3
8 A0 - PA0
9 A1 - PA1
10 A2 - PA2
11 A3 - PA3
12 A4 - PA4
13 A5 - PA5
14 A6 - PA6
15 A7 - PA7
16 C4 - PC4
17 C5 - PC5
18 B0 - PB0
19 B1 - PB1
20 B2 - PB2
21 B11 - PB11
22 B10 - PB10
23 B13 - PB13
24 B12 - PB12
25 B15 - PB15
26 B14 - PB14

USB connector properties

Name Unknown
Reference None
Type USB Micro

USB connector pins

# Name Function Connected to
1 - VCC +5V rail
2 - D- PA11 via 22Ω resistor (R9)
3 - D+ PA12 via 22Ω resistor (R8), pulled up by 1.5kΩ resistor (R10)
4 - ID Ground plane
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

Power Header 1 properties

Name GND
Reference None
Type Pin header (2.54mm, 3x1, male)

Power Header 1 pins

# Name Function Connected to
1 - - Ground plane
2 - - Ground plane
3 - - Ground plane

Power Header 2 properties

Name 3.3V
Reference None
Type Pin header (2.54mm, 3x1, male)

Power Header 2 pins

# Name Function Connected to
1 - - +3.3V rail
2 - - +3.3V rail
3 - - +3.3V rail

Devices


AT24C04 properties

Name Unknown
Reference U1
Manufacturer Microchip Technology Inc.
Part AT24C04
Marking 24C08N
Datasheet AT24C01-02-04-08-16.pdf
Package SOIC 8 pins
Description 1kB I2C EEPROM

AT24C04 pins

# Name Function Connected to
1 - A0 Ground plane
2 - A1 Ground plane
3 - A2 Ground plane
4 - GND Ground plane
5 - SDA PB7, pulled up by 4.7kΩ (R3)
6 - SCL PB6, pulled up by 4.7kΩ (R2)
7 - WP Ground plane
8 - VCC +3.3V rail