nRF52811 Product Specification v1.0 4454 140 v1.0 / 2019-02-26Feature list Features: Bluetooth 5.1, IEEE 802.15.4-2006, 2.4 GHz transceiver 192 kB flash and 24 kB RAM Nordic SoftDevice ready -97 dBm sensitivity in 1 Mbps Bluetooth low energy mode Support for concurrent multi-protocol -104 dBm sensitivity in 125 kbps Bluetooth low energy mode (long range) 12-bit, 200 ksps ADC - 8 configurable channels with programmable -20 to +4 dBm TX power, configurable in 4 dB steps gain On-air compatible with nRF52, nRF51, nRF24L, and nRF24AP Series 64 level comparator Supported data rates: Temperature sensor Bluetooth 5.1: 2 Mbps, 1 Mbps, 500 kbps, and 125 kbps Up to 32 general purpose I/O pins IEEE 802.15.4-2006: 250 kbps 4-channel pulse width modulator (PWM) unit with EasyDMA Proprietary 2.4 GHz: 2 Mbps, 1 Mbps Digital microphone interface (PDM) Angle-of-arrival (AoA) and angle-of-departure (AoD) direction finding using 3x 32-bit timer with counter mode Bluetooth . 2x SPI master/slave with EasyDMA Single-ended antenna output (on-chip balun) I2C compatible 2-wire master/slave 4.6 mA peak current in TX (0 dBm) UART (CTS/RTS) with EasyDMA 4.6 mA peak current in RX Programmable peripheral interconnect (PPI) RSSI (1 dB resolution) Quadrature decoder (QDEC) ARM Cortex -M4 32-bit processor, 64 MHz AES HW encryption with EasyDMA 144 EEMBC CoreMark score running from flash memory 2x real-time counter (RTC) 34.4 A/MHz running CoreMark from flash memory Single crystal operation 32.8 A/MHz running CoreMark from RAM memory Package variants Serial wire debug (SWD) QFN48 package, 6 x 6 mm Flexible power management QFN32 package, 5 x 5 mm 1.7 V to 3.6 V supply voltage range WLCSP package, 2.482 x 2.464 mm Fully automatic LDO and DC/DC regulator system Fast wake-up using 64 MHz internal oscillator 0.3 A at 3 V in System OFF mode, no RAM retention 0.5 A at 3 V in System OFF mode with full 24 kB RAM retention 1.5 A at 3 V in System ON mode, with full 24 kB RAM retention, wake on RTC 1.4 A at 3 V in System ON mode, no RAM retention, wake on RTC Applications: Computer peripherals and I/O devices Health and medical Enterprise lighting Mouse Keyboard Industrial Mobile HID Commercial CE remote controls Retail Network processor Beacons Connectivity device in multi-chip solutions Wearables Virtual reality headsets 4454 140 v1.0 ii