Data Sheet

1 OVERVIEW
1 Overview
CR2S is an RTOS platform that integrates all function libraries of the Wi-Fi MAC and
TCP/IP. You can develop embedded Wi-Fi products as required.
1.1 Features
• Embedded low-power KM4 MCU, which can also function as an application pro-
cessor
Main clock rate: 100 MHz
• Working voltage: 3.0 to 3.6 V
• Peripherals: 6 (general-purpose input/output) GPIOs and 1 universal asyn-
chronous receiver/transmitter (UART)
• Wi-Fi/Bluetooth connectivity
– 802.11 B/G/N20
– Channels 1 to 14@2.4 GHz (CH1 to 11 for US/CA and CH1 to 13 for EU/CN)
– Support BLE (Bluetooth Low Energy) 4.2
– Support WEP, WPA, WPA2, and WPA2 PSK (AES) security modes
– MAX EIRP: + 20dBm output power in 802.11b mode
– Support SmartConfig functions for Android and iOS devices
– Onboard PCB antenna
– Passed CE and FCC certifications
– Working temperature: -20℃ to 85℃
1.2 Applications
• Intelligent building
• Smart household and home appliances
• Smart socket and light
• Industrial wireless control
• Baby monitor
• Network camera
• Intelligent bus
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