Wireless microcontroller integrates an Arm Cortex-M4 core with a 2.4 GHz radio for IEEE 802.15.4 and Bluetooth LE 5.0 designs. The device family provides embedded flash and SRAM resources with an NFC option on K32W061 variants. It supports low-power multiprotocol wireless applications using common serial and mixed-signal MCU peripherals.
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| Product type | Wireless microcontroller |
| CPU core | Arm Cortex-M4 |
| Core clock | 48MHz |
| Flash memory | 640KB |
| SRAM | 152KB |
| Wireless protocols | IEEE 802.15.4; Bluetooth LE 5.0 |
| RF band | 2.4GHz |
| Supply voltage | 1.9 to 3.6V |
| Operating temperature | -40 to 125°C |
| NFC feature | Integrated NFC option |
| Package pins | 40 |
| Package family | HVQFN |
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