Development Board Model Guide¶
Development Board Numbering Rules SF32LB5x-DevKit-Xxxx-AaaaBbbbCccc¶
Main Category SF32LB5x-DevKit¶
SF: chip series
SiFli, company logo
32: chip series
32: 32-bit MCU series
LB: series attribute
LB：Low-power Bluetooth MCU
VB: Bluetooth MCU using a RISC-V processor
5: processor series
5: based on a 32-bit Arm Cortex-M33 Star-MC1 processor, or a RISC-V processor with similar computing performance
0: based on a 32-bit Arm Cortex-M0+ processor
x: high-, mid-, or low-end positioning
8: flagship product in the 5x series
6/5: mid-range products in the 5x series
2: value-oriented product in the 5x series
Subcategory Xxxx¶
3p3: does not support lithium battery power supply; standard 3.3 V power supply series
Vbat: series supporting lithium battery power supply
y: subcategory dedicated to 52 modules
1: series supporting lithium battery power supply, with an onboard SF32LB525UC6/SF32LB527UD6 chip
A: does not support lithium battery power supply; standard 3.3 V power supply series, with an onboard SF32LB52BU36/SF32LB52BU36 chip and co-packaged FLASH
B: does not support lithium battery power supply; standard 3.3 V power supply series, with an onboard SF32LB52DUB6/SF32LB52JUD6 chip and co-packaged PSRAM
Configuration Category AaaaBbbbCccc¶
Aaaa: variable Flash capacity
N16：16MB QSPI-NOR Flash
A128：128MB SPI-Nand Flash
D128：128MB SD-Nand Flash
E4： 4GB eMMC
Bbbb: PSRAM capacity
R4：4MB OPI-PSRAM
R8：8MB OPI-PSRAM
R12：4MB+8MB OPI-PSRAM
R16：16MB OPI/HPI-PSRAM
R32：16+16MB HPI-PSRAM
R64：32+32MB HPI-PSRAM
Cccc: standard Flash capacity
N1：1MB QSPI-NOR Flash
N4：4MB QSPI-NOR Flash
SF32LB52-DevKit-Nano¶
Development board code |
Chip code |
Variable Flash capacity |
PSRAM capacity |
Standard Flash |
Ambient temperature |
Development board dimensions (mm) |
|---|---|---|---|---|---|---|
SF32LB52-DevKit-Nano-N4 |
SF32LB52BU56 |
None |
None |
4MB QSPI-NOR |
-40~85C |
51*20.32 |
SF32LB52-DevKit-Nano-N16R16 |
SF32LB52JUD6 |
16MB QSPI-NOR |
16MB OPI-PSRAM |
None |
-40~85C |
51*20.32 |
SF32LB52-DevKit-Nano-A128R16 |
SF32LB52JUD6 |
128MB QSPI-NAND |
16MB OPI-PSRAM |
None |
-40~85C |
51*20.32 |
SF32LB52-DevKit-Core¶
Development board code |
Chip code |
Variable Flash capacity |
PSRAM capacity |
Standard Flash |
Ambient temperature |
Development board dimensions (mm) |
|---|---|---|---|---|---|---|
SF32LB52-DevKit-Core-3p3-N4 |
SF32LB52BU56 |
None |
None |
4MB QSPI-NOR |
-40~85C |
68*31 |
SF32LB52-DevKit-Core-3p3-N16R16 |
SF32LB52JUD6 |
16MB QSPI-NOR |
16MB OPI-PSRAM |
None |
-40~85C |
68*31 |
SF32LB52-DevKit-Wlan-Core-3p3-N16R16 |
SF32LB52JUD6 |
16MB QSPI-NOR |
16MB OPI-PSRAM |
None |
-40~85C |
82*62 |
SF32LB52-DevKit-LCD¶
For use with SF32LB52-MOD-1, SF32LB52-MOD-A, and SF32LB52-MOD-B series modules
Recommended model: SF32LB52-DevKit-LCD-1
Development board power supply: USB-Type-C or lithium-ion battery
Supports charging. A 450 mAh single-cell polymer lithium battery is recommended, with a nominal voltage of 3.7 V and a fully charged voltage of 4.2 V
Onboard CH343P chip, supporting one USB-to-UART debug port
Onboard 1x switch button, 1x function button, and 1x reset button
Onboard SPI, DSPI, QSPI, and 8080 display interfaces, using a 22p, 0.5 mm-pitch FPC adapter connector
Onboard 40p, 2x20p dual-row header signal adapter interface
Onboard 1-channel MEMS MIC
Onboard 1-channel audio amplifier, supporting connection of 1-channel SPK (up to 3 W/4 ohms)
Onboard 1x RGBLED, 1x Charger LED, 1x GPIO-controlled LED, and 1x power indicator LED
Onboard TF card socket with SPI interface
SF32LB52-DevKit-LCD-A can connect to an external NOR Flash or external SDIO peripherals, including WiFi, SD-NAND, or eMMC (4-line mode)
Development board code |
Module code |
Flash capacity |
PSRAM capacity |
Ambient temperature |
Development board dimensions (mm) |
|---|---|---|---|---|---|
SF32LB52-DevKit-LCD-1-N16R8 |
SF32LB52-MOD-1-N16R8 |
16MB QSPI-NOR |
8MB OPI-PSRAM |
-40~85C |
65*38 |
SF32LB52-DevKit-LCD-1-A128R16 |
SF32LB52-MOD-1-A128R16 |
128MB QSPI-NAND |
16MB OPI-PSRAM |
-40~85C |
65*38 |
SF32LB56-DevKit-LCD¶
For use with SF32LB56-MOD series modules
Development board power supply: USB-Type-C
Onboard CH343K chip, supporting two USB-to-UART debug ports
Onboard SWD interface, 4p-2.54 mm-pitch single-row header
Supports Mode boot mode jumper
Onboard 1x switch button, 1x function button, and 1x reset button
Onboard MIPI-DPI (RGB-24bit) display interface, using a 40p, 0.5 mm-pitch FPC adapter connector, compatible with the ALIENTEK RGB interface pin order
Onboard 40p, 2x20p dual-row header signal adapter interface
Onboard 1-channel MEMS MIC
Onboard 1-channel audio amplifier, supporting connection of 1-channel SPK (up to 3 W/4 ohms)
Onboard 1x RGBLED, 1x GPIO-controlled LED, and 1x power indicator LED
Onboard TF card socket with SDIO interface
Development board code |
Module code |
Flash capacity |
PSRAM capacity |
Standard Flash |
Ambient temperature |
Development board dimensions (mm) |
|---|---|---|---|---|---|---|
SF32LB56-DevKit-LCD-N16R12N1 |
SF32LB56-MOD-N16R12N1 |
16MB QSPI-NOR |
4+8MB OPI-PSRAM |
1MB QSPI-NOR |
-40~85C |
65*38 |
SF32LB56-DevKit-LCD-A128R12N1 |
SF32LB56-MOD-A128R12N1 |
128MB QSPI-NAND |
4+8MB OPI-PSRAM |
1MB QSPI-NOR |
-40~85C |
65*38 |
SF32LB58-DevKit-LCD¶
For use with SF32LB58-MOD series modules
Development board power supply: USB-Type-C
Onboard CH343K chip, supporting two USB-to-UART debug ports
Onboard SWD interface, included in the 40p dual-row header
Supports Mode boot mode jumper
Onboard 1x switch button, 1x function button, and 1x reset button
Onboard MIPI-DSI (2lane) display interface, using a 30p, 0.5 mm-pitch FPC adapter connector
Onboard MIPI-DPI (RGB-24bit) display interface, using a 40p, 0.5 mm-pitch FPC adapter connector, compatible with the ALIENTEK RGB interface pin order
Onboard dual 40p, 2x20p dual-row header signal adapter interfaces
Onboard 1-channel MEMS MIC
Supports 2-channel audio ADC input, included in the 40p dual-row header
Onboard 2-channel audio amplifier outputs, supporting connection of 2-channel SPK (up to 3 W/4 ohms), included in the 40p dual-row header
Onboard 1x RGBLED, 2x GPIO-controlled LEDs, and 1x power indicator LED
Onboard TF card socket with SDIO interface
Development board code |
Module code |
Flash capacity |
PSRAM capacity |
Standard Flash capacity |
Ambient temperature |
Development board dimensions (mm) |
|---|---|---|---|---|---|---|
SF32LB58-DevKit-LCD-N16R32N1 |
SF32LB58-MOD-N16R32N1 |
16MB QSPI-NOR |
16+16MB HPI-PSRAM |
1MB QSPI-NOR |
-40~85C |
65*50 |
SF32LB58-DevKit-LCD-A128R32N1 |
SF32LB58-MOD-A128R32N1 |
128MB QSPI-NAND |
16+16MB HPI-PSRAM |
1MB QSPI-NOR |
-40~85C |
65*50 |
SF32-OED-6’-EDP¶
For use with the SF32LB52-MOD-1 module
Development board power supply: lithium-ion battery
Supports charging, with a USB-Type-C charging port. A 1500 mAh single-cell polymer lithium battery is recommended, with a nominal voltage of 3.7 V and a fully charged voltage of 4.2 V
Onboard CH340N chip, supporting one USB-to-UART debug port
Onboard 3 GPADC buttons
Onboard x8 EDP display interface, using a 34p, 0.5 mm-pitch FPC adapter connector
Onboard touchscreen interface, using an 8p, 0.5 mm-pitch FPC adapter connector
Onboard 1-channel MEMS MIC
Onboard 1-channel audio amplifier, supporting connection of 1-channel SPK (up to 3 W/4 ohms)
Onboard 6-axis (accelerometer and gyroscope) IMU and temperature/humidity sensor
Onboard TF card socket with SPI interface
Development board code |
Module code |
Flash capacity |
PSRAM capacity |
Ambient temperature |
Development board dimensions (mm) |
|---|---|---|---|---|---|
SF32-OED-6’-EDP-N16R8 |
SF32LB52-MOD-1-N16R8 |
16MB QSPI-NOR |
8MB OPI-PSRAM |
-40~85C |
106*64 |
SF32-OED-6’-EDP-A128R16 |
SF32LB52-MOD-1-A128R16 |
128MB QSPI-NAND |
16MB OPI-PSRAM |
-40~85C |
106*64 |