Product specifications
Wireless-Tag WT51822-S2
WT51822-S2 is an ultra-low power 2.4 GHz wireless System on Chip (SoC) integrating the nRF51 series 2.4 GHz transceiver, a 32 bit ARM® Cortex™-M0 CPU, flash memory, and analog and digital peripherals. nRF51822 can support Bluetooth® low energy and a range of proprietary 2.4 GHz protocols,Features
2.4 GHz transceiver
> -93 dBm sensitivity in Bluetooth® low energy mode
> 250 kbps, 1 Mbps, 2 Mbps supported data rates
> TX Power -20 to +4 dBm in 4 dB steps
> TX Power -30 dBm Whisper mode
> 13 mA peak RX, 10.5 mA peak TX (0 dBm)
> RSSI (1 dB resolution)
ARM® Cortex™-M0 32 bit processor
> 275 ^A/MHz running from flash memory
> 150 ^A/MHz running from RAM
> Serial Wire Debug (SWD)
Memory
> 256 KB embedded flash program memory
> 16 KB RAM
Flexible Power Management
> Supply voltage range 1.8 V to 3.6 V
> 2.5 ^s wake-up using 16 MHz RCOSC
> 0.4 ^A @3V OFF mode
> 0.5 ^A @3V in OFF mode + 1 region RAM retention
> 2.3 ^A @3V ON mode, all blocks IDLE
8/9/10 bit ADC - 8 configurable channels
31 General Purpose I/O Pins
One 32 bit and two 16 bit timers with counter mode
SPI Master
UART (CTS/RTS)
Two-wire Master (I2C compatible)
Quadrature Decoder (QDEC)
AES HW encryption
Real Timer Counter (RTC)
-- Wireless-Tag Technologies product --
