# High-level block diagram and QCC743 40-pin QFN/QCC744 56-pin QFN package outline Page-1 Sheet.1 Sheet.2 Radio Front Amplifier (RFA) Radio Front Amplifier (RFA) Sheet.3 LNA LNA Sheet.4 Balun Balun Sheet.5 PA PA Sheet.6 1x1 2.4 GHz Wi-Fi 6 1x1 2.4 GHz Wi-Fi 6 Sheet.7 MCS9 MCS9 Sheet.8 HT20/HT40 HT20/HT40 Sheet.9 DL/UL OFDMA DL/UL OFDMA Sheet.10 MU MIMO MU MIMO Sheet.11 2.4 GHz BT/BLE 2.4 GHz BLE Sheet.12 LE PHY/Coded PHY 2M, 1M, 500k, 125k LE PHY/Coded PHY 2 M, 1 M, 500 k, 125 k Sheet.13 Audio Audio Sheet.14 DAC (Speaker, SNR > 95 dB) DAC (Speaker, SNR > 95 dB) Sheet.15 8/12/16/22.05/24/32/44.1/48 kHz 8/12/16/22.05/24/32/44.1/48 kHz Sheet.16 ADC (MIC, SNR > 92 dB) ADC (MIC, SNR > 92 dB) Sheet.17 Video Video Sheet.18 Display Interface (DBI Type B/C) Display Interface (DBI Type B/C) Sheet.19 Camera Interface (DVP) Camera Interface (DVP) Sheet.20 Motion JPEG Encoding Motion JPEG Encoding Sheet.21 Processor and Memory Processor and Memory Sheet.22 Flash 8/16 MB (SiP option) Flash 8 MB(SiP option) Sheet.23 32-bit RISC-V FPU + DSP @ 325 MHz 32-bit RISC-V FPU + DSP 325 MHz Sheet.24 pSRAM 4/8 MB (SiP option) pSRAM4/8/16 MB (SiP option) Sheet.25 I-Cache 32 KB I-Cache 32 KB Sheet.26 D-Cache 16 KB D-Cache 16 KB Sheet.27 SRAM 484 KB (4 KB Hibernate) SRAM 484 KB (4 KB Hibernate) Sheet.28 ROM 128 KB ROM 128 KB Sheet.29 eFuse 4 Kb eFuse 4 Kb Sheet.30 OTP 1/2/4 KB OTP 1/2/4 KB Sheet.31 Security Security Sheet.32 True Random Number Generation (TRNG) True Random Number Generation (TRNG) Sheet.33 Secure Boot Secure Boot Sheet.34 Symmetric: AES-CBC/CCM/GCM/XTS Symmetric: AES-CBC/CCM/GCM/XTS Sheet.35 Secure Debug Secure Debug Sheet.36 QSPI XiP On-The-Fly AES Decryption (OTFAD) QSPI XiP On-The-Fly AES Decryption (OTFAD) Sheet.37 Hash: MD5/SHA-1/224/256/384/512 Hash: MD5/SHA-1/224/256/384/512 Sheet.38 TrustZone Equivalent TrustZone Equivalent Sheet.39 Public Key Accerlator Public Key Accelerator Sheet.40 Interfaces Interfaces Sheet.41 35 GPIOs (multiplexed) 35 GPIOs (multiplexed) Sheet.42 RMII (10/100M) RMII (10/100M) Sheet.43 CAN (ISO 11898) CAN (ISO 11898) Sheet.44 12 x 12b/16b ADC 12x 12/16b ADC Sheet.45 2 x 12b DAC 2x 12b DAC Sheet.46 ACOMP ACOMP Sheet.47 JTAG JTAG Sheet.48 2 x I2C 2x I2C Sheet.49 2 x UART (5 V) 2x UART Sheet.50 4 x PWM 4x PWM Sheet.51 DVP DVP Sheet.52 DBI (Type B/C) DBI (Type B/C) Sheet.53 IR Remote IR Remote Sheet.54 Serial Flash Serial Flash Sheet.55 SD/MMC SD/MMC Sheet.56 SDIO 2.0 SDIO 2.0 Sheet.57 QSPI QSPI Sheet.58 SPI SPI Sheet.59 I2S I2S Sheet.60 Wi-Fi/Bluetooth Wi-Fi/BLE/802.15.4 Sheet.61 802.11b/g/n/ax 802.11b/g/n/ax Sheet.62 Sheet.63 Sheet.64 Sheet.65 Sheet.66 Sheet.67 Sheet.68 Sheet.69 Sheet.70 Sheet.71 Sheet.72 Sheet.73 Sheet.74 Sheet.75 Sheet.76 Sheet.77 Sheet.78 Sheet.79 Sheet.80 Sheet.81 Sheet.82 Sheet.83 Sheet.84 Sheet.85 Sheet.86 Sheet.87 Sheet.88 Sheet.89 Sheet.90 Sheet.91 Sheet.92 Sheet.93 Sheet.94 Sheet.95 Sheet.96 Sheet.97 Sheet.98 Sheet.99 Sheet.100 Sheet.101 Sheet.102 Sheet.103 Sheet.104 2.4 GHz 802.15.4 2.4 GHz 802.15.4 Sheet.105 IEEE 802.15.4-2015 IEEE 802.15.4-2015 Sheet.106 Thread Thread Sheet.107 Thread Zigbee-ready Last Published: Apr 22, 2026 [Previous Topic Key features](https://docs.qualcomm.com/bundle/publicresource/80-WL743-1/topics/key-features.md) [Next Topic Introduction](https://docs.qualcomm.com/bundle/publicresource/80-WL743-1/topics/introduction.md)