TLSR9218
Telink · TLSR9 Series
Overview
TLSR9218 is a Telink-bit RISC-V MCU from 32, built on the Telink in-house Telink RISC-V（datasheet 未披露 IP 授权方） core (RV32IMACF), with a maximum clock of 96 MHz, 256 KB of on-chip SRAM, and 2048 KB KB of Flash.
Core and memory
| Vendor | Telink（Chinese mainland） |
|---|---|
| IP brand / origin | Telink in-house（Chinese mainland） |
| Core | Telink RISC-V（datasheet 未披露 IP 授权方） |
| ISA / bit width | RV32IMACF · 32 bit |
| Max clock | 96 MHz |
| SRAM | 256 KB |
| On-chip Flash | 2048 KB |
Power and electrical
Conditions and notes: The vendor or source notes are in Chinese in the original Deep sleep（外部唤醒，无 SRAM 保持，无 32K RC）=0.7µA；保持 32KB SRAM=1.7µA；BLE RX 6.1mA、TX 6.6mA@0dBm/3.3V DCDC
| Supply voltage | 1.8–4.3 V |
|---|---|
| Operating temperature | -40 ℃ ~ 105 ℃ |
Peripherals and interfaces
| UART / USART | 1 way |
|---|---|
| SPI | 2 way |
| I²C | 1 way |
| USB Full-Speed | 1 way |
| BLE | 1 way |
| I²S | 1 way |
| Comparator | 1 way |
| ADC | 9 channels · 14 bit |
| PWM | 6 channels |
| Other | The vendor or source notes are in Chinese in the original MSPI/PSPI/LSPI 多路 SPI；单声道 audio codec + AMIC/DMIC；USB 2.0 FS；低功耗比较器；蓝牙 5.4 / Zigbee 3.0 / Thread / 802.15.4 / 2.4G 私有协议；AoA/AoD |
Sources and notes
Confidence:High (official datasheet) · Last verified 2026-11-04
The vendor or source notes are in Chinese in the original TLSR9218A=1MB Flash、TLSR9218B=2MB Flash；SRAM 256KB（含最多 64KB retention）；QFN48 6×6mm；温度 ER 版 -40~85℃、GR 版 -40~105℃。datasheet 只写“32-bit RISC-V + DSP + F 标准扩展”，未给完整 ISA 字母串，此处记 RV32IMACF（同族 TLSR9228 数据手册明确写 IMACFDP，可作参照）。B91 开发板即基于该系列。 数据手册未披露 IP 授权方，按厂商自研记录，待核实。