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OpenSiFli1/14/26Less than 1 minute

A user-friendly graphical flashing tool for the SiFli family of chips.

What is sftool-gui?

sftool-gui is a desktop application that provides a graphical interface for
programming SiFli microcontrollers. The application removes the complexity of
command-line tools with an intuitive UI, allowing users to flash firmware, read
Flash memory, and erase Flash data with just a few clicks. Its target audience
is SiFli embedded systems developers and hardware engineers who need an
efficient flashing solution.

Supported Devices and Hardware

sftool-gui supports a wide range of SiFli chips and memory configurations to
flexibly meet different project needs.

Supported Chip Models

Chip Model	Supported Memory Types	Interface Options
SF32LB52	NOR, NAND, SD	UART
SF32LB55	NOR, SD	UART
SF32LB56	NOR	UART, USB
SF32LB57	NOR	UART
SF32LB58	NOR	UART, USB

Memory Types Overview

The application supports three main memory types, each optimized for different
use cases:

All chip models support UART communication. Baud rates are configurable (1M,
1.5M, 3M, 6M) to integrate flexibly with existing development environments.

During flashing, sftool first downloads a small stub program into the device
RAM, then the host interacts with that stub to perform Flash read, erase, and
write operations.
The stub contains only a limited set of Flash drivers. If the Flash part in
use is not included in the built-in driver library, an external Flash driver
must be injected manually for proper operation.
For instructions on injecting Flash drivers, see stub
configuration