The Inventek ISM4343-WBU-L151 SiP (10x10mm) offersasingle-band IEEE 802.11b/g/n-compliant MAC/PHY, and BT/BLE5.3radio. Channel bandwidth of 20MHz is supported for IEEE 802.11b/g/ntrafficwith integrated ST Micro STM585Cortex M33MCU that runs the TCP/IP stack.The ISM4343-WBU-L151SiPintegrates theInfineonCYM4343WWi-Fi/BTcombo-radio, STM32U585series advanced power-saving microcontroller, based on Arm®Cortex®-M33, with 2Mbytes of Flash (dual bank) memory and 786 Kbytes of SRAM, plus an additional2 M bytes of SPI Flash (MX25L1633EWS), for a total flash of 4 Mbytes in a small form factor 10×10 mm LGA Module. The ISM4343-WBU-L151802.11 b/g/n enables wireless connectivity to the most straightforwardexisting sensor products with minimal engineering effort.The ISM4343-WBU-L151reduces development time, lowers manufacturing costs, saves board space, simplifies certification compliance, and minimizes customer RF expertise required during development of target applications. The ISM4343-WBU-L151SiP usesInfineon’sCYW4343Whighly integrated single chip combo radio solution.The CYW4343has integrated power amplifiers, LNAs and T/R switches for the 2.4 GHz WLAN band.The ISM4343-WBU-L151supportsthe BTLow Energy operating mode, which provides a dramatic reduction in the power consumption of the BTradio and baseband. The primary application for this mode is to provide support for low data rate devices, such as sensors and remote controls.TheISM4343-WBU-L151implements the highly sophisticated Enhanced Collaborative Coexistence algorithms and hardware mechanisms, allowing for an extremely collaborative BTcoexistence scheme along with coexistence support for external radios such as cellular LTE, GPS, and Ultra-Wideband.An independent, high-speed UART is provided for the BThost interface.
Overview
WLAN, Bluetooth & MCU functions:
- Arm Cortex-M33 core running at 160 MHz
- 240 DMIPS and 651 CoreMark scores
- New ST ART Accelerator: working both on internal and external Flash (8 Kbytes of instruction cache)
- 4 Mbytes of flash (2Mbyteson ST Microcontrollerplus2 Mbytes connected to SPI, MX25L1633EWS)
- Higher level of safety with 100 kcycles for 512 KB of flash
- ADC14-bit
- Single-band 2.4 GHz b/g/n, 802.11b, 802.11g, 802.11n (single stream)
- 32KHz RTC, 26MHz and 37.4 MHz clocks on boardthe SiP
- Host serial interface forboth UARTandSPI
- On-chip WLAN driver executionsupporting IEEE 802.11 functionality
- Advanced 1×1 802.11n features
- Concurrent BTand WLAN operation
- Supports a single 2.4 GHz antenna shared between WLAN and BT
- BT host digital interface (can be used concurrently with above interface)
- BTv5.1with integrated Class 1 PA
- BT2.1+EDR, BT3.0, BT4.2, BT5.3(BTLow Energy)
- ECI –enhanced coexistence support, ability to coordinate BT SCO transmissions around WLAN receives
- I²S/PCM for BT audio
- HCI high-speed UART (H4, H4 +, H5) transport support
- BTSmartAudio® technology improves voice and music quality to headsets
- The BBC supports all BT4.0 features
Product Documentation
Technical Resources
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