Key Features
- Multiple-core architecture, system-on-chip (SoC)
- 802.11 a/b/g/n: 2.4 GHz and 5 GHz
- FIPS 140-2 Level 1 Certification
- Multilayered security features, help developers protect identities, data, and software IP
- Low-Power Modes for battery powered application
- Coexistence with 2.4 GHz Radios
- Industrial temperature: –40°C to +85°C
- Wi-Fi CERTIFIED®by the Wi-Fi Alliance®
- Application microcontroller subsystem:
– Arm® Cortex®-M4 core at 80 MHz
– User-dedicated memory
- 256KB RAM
- Optional 1MB executable Flash
– Rich set of peripherals and timers
– 27 I/O pins with flexible multiplexing options
- UART, I2S, I2C, SPI, SD, ADC, 8-bit parallel interface
- Timers and PWM
- Wi-Fi network processor subsystem:
– Wi-Fi® core:
- 802.11 a/b/g/n 2.4 GHz and 5 GHz
- Modes:
– Access Point (AP)
– Station (STA)
– Wi-Fi Direct® (only supported on 2.4 GHz)
– WEP
– WPATM/ WPA2TM PSK
– WPA2 Enterprise
– WPA3TM Personal
– WPA3TM Enterprise
– Internet and application protocols:
- HTTPs server, mDNS, DNS-SD, DHCP
- IPv4 and IPv6 TCP/IP stack
- 16 BSD sockets (fully secured TLS v1.2 and SSL 3.0)
– Built-in power management subsystem:
- Configurable low-power profiles (always, intermittent, tag)
- Advanced low-power modes
- Integrated DC/DC regulators
- Multilayered security features:
– Separate execution environments
– Networking security
– Device identity and key
– Hardware accelerator cryptographic engines
(AES, DES, SHA/MD5, CRC)
– Application-level security (encryption, authentication, access control)
– Initial secure programming
– Software tamper detection
– Secure boot
– Certificate signing request (CSR)
– Unique per device key pair
– UDP: 16 Mbps, TCP: 13 Mbps
– Peak: 72 Mbps
- Power-Management Subsystem:
– Integrated DC/DC converters support a wide range of supply voltage:
- VBAT wide-voltage mode: 2.1 V to 3.6 V
- VIO is always tied with VBAT
– Advanced low-power modes:
- Shutdown: 1 µA, hibernate: 4.5 µA
- Low-power deep sleep (LPDS): 120 µA
- Idle connected (MCU in LPDS): 710 µA
- RX traffic (MCU active): 59 mA
- TX traffic (MCU active): 223 mA
– 2.4 GHz: 18.0 dBm at 1 DSSS
– 5 GHz: 18.1 dBm at 6 OFDM
– 2.4 GHz: –96 dBm at 1 DSSS
– 5 GHz: –92 dBm at 6 OFDM
– 40.0-MHz crystal with internal oscillator
– 32.768-kHz crystal or external RTC
