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PRODUCT OVERVIEW

BL602/BL604 is Wi-Fi + BLE combo chipsets for ultra-low-power applications.

Wireless subsystem contains 2.4G radio, Wi-Fi 802.11b/g/n and Bluetooth LE 5.0 baseband/MAC designs. Microcontroller subsystem contains a low-power 32-bit RISC CPU, high-speed cache and memories. Power Management Unit controls low-power modes. Moreover, variety of security features are supported.

Peripheral interfaces include SDIO, SPI, UART, I2C, IR remote, PWM, ADC, DAC, ACOMP, PIR, etc.

Flexible GPIO configurations are supported. BL602 has total 16 GPIOs and BL604 has total 23 GPIOs.

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FEATURES​

Wireless (Tier-1 RF Performance)

  • Wi-Fi 802.11 b/g/n

  • Bluetooth® Low Energy 5.0

  • Wi-Fi Fast connection with BLE assistance

  • Wi-Fi and BLE coexistence

  • Wi-Fi Security WPS/WEP/WPA/WPA2/WPA3

  • STA, SoftAP and sniffer modes

  • Multi-Cloud connectivity

  • 2.4 GHz RF transceiver

  • Integrated RF balun, PA/LNA

 

Microcontroller Subsystem

  • 32-bit RISC CPU with FPU

  • L1 cache

  • RTC timer up to One year

  • Two 32b general purpose timers

  • Four DMA channels

  • Dynamic Frequency from 1MHz to 192MHz

  • JTAG development support

  • XIP QSPI flash support

 

Security (Complete Security features)

  • Secure boot

  • Secure debug

  • XIP QSPI On-The-Fly AES Decryption (OTFAD)

  • AES 128/192/256

  • SHA-1/224/256

  • TRNG (True Random Number Generator)

  • PKA (Public Key Accelerator)

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Memory

  • 276KB SRAM

  • 128KB ROM

  • 1Kb eFuse

  • Embedded Flash (Optional)

 

Peripherals

  • SDIO 2.0 slave (AP-Host)

  • SPI master/slave

  • Two UART

  • I2C master/slave

  • Five PWM channels

  • 10-bit general DAC

  • 12-bit general ADC

  • Two general analog comparators

  • PIR (Passive Infra-Red) detection

  • IR remote HW accelerator

  • Flexible 16 GPIOs (BL602) / 23 GPIOs (BL604)

 

Power Modes (Ultra-low Power modes)

  • Off

  • Hibernate

  • Power Down Sleep (flexible)

  • Active

 

Clock

  • Support XTAL 24/26/32/38.4/40MHz

  • Support XTAL 32/32.768KHz

  • Internal RC 32KHz & 32MHz oscillator

  • Internal System PLL

 

Package Type

  • 32 pin QFN (BL602)

  • 40 pin QFN (BL604)

TARGET APPLICATIONS​

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  • Low-power IoT applications

  • Wi-Fi connection

  • BLE connection

  • Home electronics

  • Remote control

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