Low-power wireless SoC integrates a 32-bit RISC-V single-core processor with Bluetooth Low Energy and IEEE 802.15.4 radios. The device supports Thread, Zigbee 3.0, Matter, Bluetooth mesh, and Bluetooth LE long range operation. It includes 128 KB ROM, 320 KB SRAM, 4 KB low-power memory, 16 KB cache, and 2 MB or 4 MB in-package Quad SPI flash. The QFN32 package operates from a 3.0 V to 3.6 V supply over a -40 °C to 105 °C ambient temperature range. Peripheral resources include 19 programmable GPIOs, SPI, UART, I2C, I2S, USB Serial/JTAG, ADC, PWM, RMT, TWAI, and security accelerators.
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| Processor core | 32-bit RISC-V single-core |
| Maximum CPU clock | 96MHz |
| CoreMark score at 96 MHz | 303.38CoreMark |
| ROM | 128KB |
| SRAM | 320KB |
| Low-power memory | 4KB |
| Cache | 16KB |
| In-package flash | 2 or 4 Quad SPIMB |
| Programmable GPIOs | 19 |
| Recommended supply voltage | 3.0 to 3.6V |
| Ambient operating temperature | -40 to 105°C |
| Package | QFN32 (4×4 mm) |
| Bluetooth standard | Bluetooth Low Energy 5.3 certified |
| Bluetooth LE PHY rates | 1 Mbps, 2 Mbps, 125 Kbps coded, 500 Kbps coded |
| Bluetooth LE RF transmit power range | -24 to 20dBm |
| Bluetooth LE operating channel range | 2402 to 2480MHz |
| IEEE 802.15.4 data rate | 250Kbps |
| IEEE 802.15.4 operating channel range | 2405 to 2480MHz |
| IEEE 802.15.4 RF transmit power range | -24 to 20dBm |
| ADC resolution | 12bit |
| ADC input pins | Up to 5 |
| UART controllers | 2 |
| I2C controllers | 2 |
| USB interface | USB 2.0 full-speed Serial/JTAG |
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