Data Sheet

ISM4343 Specification
DOC-DS-20074-5.3
Inventek Systems
Page 6
and LTE, GPS, and Ultra-Wideband. An independent, high-speed UART is provided for
the BT host interface.
3 FEATURES
The ISM4343 SiP and module support the following WLAN, BT & MCU functions:
• STM32 ARM 32-bit Cortex
TM
-M4 with a frequency up to 100 MHz
o 1 Mbyte of MCU internal Flash
o 256KByte of SRAM
o ADC, I2C, I2S, GPIO, Timers
• Single-band 2.4 GHz b/g/n, 802.11b, 802.11g, 802.11n (single stream)
o IEEE 802.11b 1 – 11 Mbps
o IEEE 802.11g 6 – 54 Mbps
o IEEE 802.11n (2.4 GHz) 7.2 – 150Mbps
• 2 Mbytes of additional SPI Flash (Connected to SPI 1 internally on the SiP)
• 32KHz RTC, 26MHz and 37.4 MHz clocks on board the SiP.
• Host serial interface for UART and SPI
• WICED compatibility
• On-chip WLAN driver execution supporting IEEE 802.11 functionality
• Advanced 1x1 802.11n features:
o Full/Half Guard Interval
o Frame Aggregation
o Space Time Block Coding (STBC)
o Low Density Parity Check (LDPC) Encoding
• Hardware Encryption WEP, WPA/WPA2
• Modulation Modes include:
o Wi-Fi: CCK and OFDM with BPSK, QPSK, 16 QAM, 64QAM, 256QAM
o BT: Dual-mode classic BT and Classic Low Energy operation
• Concurrent BT and 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):
o UART (up to 4 Mbps)
• BT v5.1 with integrated Class 1 PA
• BT 2.1+EDR, BT 3.0, BT 4.2, BT5.1 (BT Low 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
• BT SmartAudio® technology improves voice and music quality to headsets
• BT low power inquiry and page scan