Telink TLSR835x Series ULP 2.4GHz RF SoCs

Telink TLSR835x Series ULP 2.4GHz RF SoCs are dedicated to 2.4GHz RF System-On-Chip solutions. This includes Retail/Logistics, Private network, Beacon applications, wireless mouse, wireless USB dongle, and more. The SoCs have hardware OTA upgrades support and multiple boot switching, allowing convenient product feature roll outs and upgrades. The TLSR835x series integrates a full range of on-chip peripherals needed for 2.4GHz RF System-On-Chip application development.


  • 4-byte Chip UID (Unique ID)
  • Embedded 32-bit proprietary microcontroller.
    • Better power-balanced performance than ARM M0
    • Instruction cache controller
    • Maximum running speed up to 48MHz
  • Program memory
    • Internal 512kB (TLSR8359F512)/64kB (TLSR8359F64) flash
    • The TLSR8359ET48 has no internal flash but supports up to 16MB external flash
  • Data memory
    • 64kB on-chip SRAM, including up to 32kB SRAMs with retention in deep sleep, and one 32kB SRAM without retention in deep sleep
  • RTC and other timers
    • Clock source of 24MHz&32.768kHz Crystal and 32kHz/24MHz embedded RC oscillator
    • Three general 32-bit timers with four selectable modes in active mode
    • Watchdog timer
    • A low-frequency 32kHz timer available in low power mode
  • A rich set of I/Os
    • Up to 32/17/2 GPIOs depending on package option. All digital IOs can be used as GPIOS
    • SPI
    • I2C
    • UART with hardware flow control support
    • USB
    • Swire debug Interface
    • MSPI for external flash (only TLSR8359ET48)
  • Up to 6 channels of differential PWM
    • PWM1~PWM5 5-channel normal PWM output
    • PWM0: 1-channel with five modes support, including IR/IR FIFO/IR DMA FIFO mode for IR generation
  • Sensor
    • 14-bit 10-channel (only GPIO input) SAR ADC, with 4-channel differential input PGA
    • Temperature sensor
  • One quadrature decoder
  • Embedded hardware AES and AES-CCM
  • Embedded low-power comparator
  • Operating temperature range -40℃~+85℃

Block Diagram

Telink TLSR835x Series ULP 2.4GHz RF SoCs
Published: 2021-04-27 | Updated: 2022-03-11