ShenZhenGrassWonderCO. LTD. NRF51822 Manuale Utente

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nRF51822

Multiprotocol Bluetooth® low energy/2.4 GHz RF System on Chip

Produc

Key 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)
• 9.7 mA peak RX, 8 mA peak TX (0 dBm) with DC/DC
• RSSI (1 dB resolution)

• ARM® Cortex™-M0 32 bit processor

• 275 µA/MHz running from ash memory
• 150 µA/MHz running from RAM
• Serial Wire Debug (SWD)

• S100 series SoftDevice ready
• Memory

• 256 kB or 128 kB embedded ash program memory
• 16 kB or 32 kB RAM

• On-air compatibility with nRF24L series
• Flexible Power Management

• Supply voltage range 1.8 V to 3.6 V
• 4.2 µs wake-up using 16 MHz RCOSC
• 0.6 µA at 3 V OFF mode
• 1.2 µA at 3 V in OFF mode + 1 region RAM retention
• 2.6 µA at 3 V ON mode, all blocks IDLE

• 8/9/10 bit ADC - 8 co

channels

• 31 General Purpose I/O Pins
• One 32 bit and two 16 bit timers with counter mode
• SPI Master/Slave
• Low power comparator
• Temperature sensor
• Two-wire Master (I2C compatible)
• UART (CTS/RTS)
• CPU independent Programmable Peripheral Interconnect (PPI)
• Quadrature Decoder (QDEC)
• AES HW encryption
• Real Timer Counter (RTC)
• Package variants

• QFN48 package, 6 x 6 mm
• WLCSP package, 3.50 x 3.83 mm
• WLCSP package, 3.83 x 3.83 mm
• WLCSP package, 3.50 x 3.33 mm

Applications

• Computer peripherals and I/O devices

• Mouse
• Keyboard
• Multi-touch trackpad

• Interactive entertainment devices

• Remote control
• Gaming controller

• Beacons
• Personal Area Networks

• Health/ tness sensor and monitor

devices

• Medical devices
• Key-fobs + wrist watches

• Remote control toys

5. Specification