QCA4020/4 Block Diagram
Features
QCA4020 tri-mode SoC integrates
Bluetooth 5 , dual-band Wi-Fi, and 802.15.4
technologies
QCA4024 dual-mode SoC integrates
Bluetooth 5 and 802.15.4
Isolated low power processors for
connectivity
- 15.4 SW MAC, 15.4 and BLE drivers,
coex management
- Wi-Fi operations (QCA4020 only)
Advanced hardware-based security
featuring secure boot, trusted execution
environment, encrypted storage, key
provisioning and wireless protocol security
Comprehensive set of peripherals and
interfaces: SPI, UART, PWM, I2S, I2C, SDIO,
ADC and GPIOs
Integrated sensor hub for post-processing
designed to enable low power sensor use
cases
Small package size allows for optimized
form factors
QCA4020/4 Specifications
Package Type 11.2 x 11.2mm, 0.65mm pitch, 217-ball BGA (QCA4020)
8 x 8mm, 0.40mm pitch, 68-pin QFN (QCA4024)
Application CPU Arm Cortex-M4F @ up to 128MHz
32KB- L1 cache controller, XIP from external S-flash
Internal Memory: 300+KB RAM reserved for applications
Connectivity/System CPU Dedicated processor for Bluetooth LE LC and 15.4 MAC
Dedicated processor for 802.11 a/b/g/n
Isolated Memory: RAM, ROM
Low Power Bluetooth & 15.4 Bluetooth v5.0, PA =+4dBm/+10dBm (for Long Range)
(Separate radios) 802.15.4: 2006 compliant, 15.4e, 2.4GHz DSSS
+4dBm/+21dBm (for Long Range)
Wi-Fi (QCA4020 only) Dual Band, 1x1, HT20, MCS0-7, 2.4/5GHz, PA=+18dBm
Sensor Hub Low power HW+App CPU, Interface: I2C, SPI, ADC
Display Segmented or character display with SPI or I2C interfaces
Interfaces I2C, UART, SPI/Q-SPI, ADC (8ch, 12-bit 1Msps)
PWM, SDIO2.0, USB2.0 HS, I2S, GPIOs
Security Secure boot, Secure Storage, HW Crypto Engine
HW ECC, 16-bit true random number generator
Trusted Execution Environment
Direct Battery Connection 1.8V-3.6V
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in the United States and other countries. The Bluetooth® word mark and logos are registered trademarks owned by
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trademark of the Wi-Fi Alliance. HomeKit is a registered trademark of Apple Inc. Other product and brand names may be
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Ordering Information
QCA4020/4 Target Applications
• Internet of Things (IoT)
• Home Automation
• Smart Home
• IoT Hub
• Smart Cities
• Home Entertainment
To learn more visit: qualcomm.com
Product Part Number
QCA4020 SoC /C-Temp
QCA-4020-0-217MSP
QCA4020 SoC /I-Temp
QCA-4020-1-217MSP
QCA4024 SoC /C-Temp QCA-4024-0-68CMQFN
QCA4024 SoC /I-Temp QCA-4024-1-68CMQFN
Related Products
Development kits, reference design platforms
and production module information available
at developer.qualcomm.com