Generic Development Board

STM32L476RCT6


Board

NameGeneric Development Board
PartSTM32L476RG
BrandUnknown
OriginChina

Microcontroller

PartSTM32L476RCT6
ManufacturerST-Microelectronics
CoreArm Cortex-M4
Max. Clock Speed80MHz
PackageLQFP 64 pins

Internal memories

FLASH256KiB
SRAM128KiB

Oscillators

HSI16MHz
LSI32kHz
HSE8MHz
LSENone

Power

Sources
Any +3.3V pin (+3.3V)
Any +5V pin (+5V)
USB connector (+5V)
VDDA pinNo
VSSA pinNo
VREF- pinNo
VREF+ pinNo
Backup batteryNone

Regulator

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

PCB

ColorGreen
Size (w x l)40mm x 90mm
Mounting4x mounting hole (M3)

Remarks

Pictures

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

Inputs & outputs


Reset button

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

User button 1

Name KEY0
Reference -
Type Button
Connected to PC1
Mode Active low

User button 2

Name KEY1
Reference -
Type Button
Connected to PC2
Mode Active low

User button 3

Name WK_UP
Reference -
Type Button
Connected to PA0
Mode Active high

BOOT0 jumper

Name -
Reference -
Type 2-way jumper
Connected to BOOT0
Mode N.A.
  • Note: This jumper is part of Header 1

BOOT1 jumper

Name -
Reference -
Type 2-way jumper
Connected to PB2
Mode N.A.
  • Note: This jumper is part of Header 1

Power LED

Name -
Reference D1
Type LED
Connected to +3.3V rail
Mode N.A.

User LED

Name -
Reference D2
Type LED
Connected to PC12
Mode Sink

Connectors & headers


Header 1 properties

Name Unknown
Reference None
Type Pin header (2.54mm, 30x1, male)

Header 1 pins

# Name Function Connected to
1 VDD - +3.3V rail
2 PC15 - PC15
3 GND - Ground plane
4 PC14 - PC14
5 GND - Ground plane
6 PC13 - PC13
7 PC0 - PC0
8 PC1 - PC1
9 PC2 - PC2
10 PC3 - PC3
11 PA0 - PA0
12 PA1 - PA1
13 PA2 - PA2
14 PA3 - PA3
15 CS - PA4
16 SCL - PA5
17 PA6 - PA6
18 SDA - PA7
19 PC4 - PC4
20 PC5 - PC5
21 PB0 - PB0
22 PB1 - PB1
23 PB10 - PB10
24 PB11 - PB11
25 VDD - +3.3V rail
26 BOT1 - PB2
27 GND - Ground plane
28 VDD - +3.3V rail
29 BOOT0 - BOOT0
30 GND - Ground plane

Header 2 properties

Name Unknown
Reference None
Type Pin header (2.54mm, 30x1, male)

Header 2 pins

# Name Function Connected to
1 PB12 - PB12
2 PB13 - PB13
3 PB14 - PB14
4 PB15 - PB15
5 PC6 - PC6
6 PC7 - PC7
7 PC8 - PC8
8 PC9 - PC9
9 PA8 - PA8
10 PA9 - PA9
11 PA10 - PA10
12 PA11 - PA11
13 PA12 - PA12
14 PA13 - PA13
15 PA14 - PA14
16 PC11 - PC11
17 PA15 - PA15
18 PD2 - PD2
19 PC10 - PC10
20 PB4 - PB4
21 PC12 - PC12
22 PB6 - PB6
23 PB3 - PB3
24 PB8 - PB8
25 DC - PB5
26 GND - Ground plane
27 PB7 - PB7
28 GND - Ground plane
29 PB9 - PB9
30 VDD - +3.3V rail

USB connector properties

Name Unknown
Reference None
Type USB Micro

USB connector pins

# Name Function Connected to
1 - VCC +5V rail
2 - D- Pin 6 on CH340
3 - D+ Pin 5 on CH340
4 - ID N.C.
5 - GND Ground plane

SWD header properties

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

SWD header pins

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

LCD header properties

Name OLED/LCD_PORT
Reference None
Type Pin header (2.54mm, 11x1, male)

LCD header pins

# Name Function Connected to
1 GND - Ground plane
2 VDD - +3.3V rail
3 SCL - PA5
4 SDA - PA7
5 RES - PD2
6 DC - PB5
7 CS - PA4
8 IO1 - PB6
9 IO2 - PB7
10 IO3 - PB8
11 IO4 - PB9

Devices


CH340 properties

Name Unknown
Reference U5
Manufacturer WCH
Part CH340
Marking CH340G
Datasheet CH340.pdf
Package SSOP 16 pins
Description USB to Serial converter

CH340 pins

# Name Function Connected to
1 - GND Ground plane
2 - TXD PA10
3 - RXD PA9
4 - V3 N.C.
5 - UD+ D+ pin on USB connector
6 - UD- D- pin on USB connector
7 - XI N.C.
8 - XO N.C.
9 - CTS# N.C.
10 - DSR# N.C.
11 - RI# N.C.
12 - DCD# N.C.
13 - DTR# Connected
14 - RTS# Connected
15 - R232 N.C.
16 - VCC +3.3V rail

W25X16AV properties

Name Unknown
Reference U4
Manufacturer Winbond Electronics Corporation
Part W25X16AV
Marking 25X16AV
Datasheet W25X16AV.pdf
Package SOIC 8 pins
Description 2MiB Dual SPI FLASH

W25X16AV pins

# Name Function Connected to
1 - /CS PB12
2 - DO PB14
3 - /WP +3.3V rail
4 - GND Ground plane
5 - DI PB15
6 - CLK PB13
7 - /HOLD +3.3V rail
8 - VCC +3.3V rail