September 2017

DocID030435 Rev 2

1/8

For further information contact your local STMicroelectronics sales

office

www.st.com

STSW-WIFI004

TCP/IP protocol stack FW package for the SPWF04Sx Wi-Fi

modules

Data brief

Features

 AT-like command interface through UART

and SPI

 Integrated TCP/IPv6, TCP/IPv4 protocol

stacks

 8 simultaneous TCP or UDP clients and

2 socket servers (supporting up to 8

clients each)

 Secured socket and upper layers (i.e.

HTTPS) supporting up to TLS 1.2,

including X.509 Certicates AES (128,

256), hash (MD5, SHA-1, SHA-256,

SHA-384 ) and public key algorithms for

key exchange (RSA, DH, ECDH) and

digital signature (RSA, ECDSA).

 Web server supporting SSI and

dynamic web pages.

 RESTful API to GET & POST web content

 Open, WEP, WPA2 PSK, WPA2 enterprise

 System modes: Station, IBSS, and miniAP

(supporting up to 5 STA)

 miniAP easily provisioned (SSID, PWD)

 Fast Wi-Fi re-association after reset

 Secure firmware and file-system update

over-the-air (FOTA)

 Application subsystem

 Embedded real-time MicroPython

environment for customer applications and

on-board development

 MicroPython API library for easy access to

Wi-Fi subsystem capabilities and device

peripherals (i.e. UART, SPI, I

Figure 1: SPWF04S stack