Wireless microcontroller for 2.4 GHz/ZigBee applications at ultra-low power
The 32-bit RISC processor offers high coding efficiency through variable width instructions, a multi-stage instruction pipeline and low-power operation with programmable clock speeds. It also includes a 2.4 GHz IEEE802.15.4 compliant transceiver and a mix of analogue and digital peripherals. Receiver operating current (down to 13 mA and with a 0.7 μA sleep timer mode) gives excellent battery life allowing operation direct from a coin cell.
The CPU of the JN5169 is a 32-bit load and store RISC processor. It has been architected for 3 key requirements:
– low power consumption for battery powered applications
– high performance to implement a wireless protocol at the same time as complex applications
– efficient coding of high-level languages such as C provided with the Software Developer’s Kit.
The peripherals support a wide range of applications. They include a 2-wire compatible I²C-bus and SPI-bus which can operate as either master or slave, a 6-channel ADC with a battery monitor and a temperature sensor. It can support a large switch matrix of up to 100 elements, or alternatively a 40-key capacitive touch pad.
[continues – feature list…]
Features include;
Single chip device to run stack and application
Very low current solution for long battery life; over 10 years
Very low Rx current for low standby power of mains powered nodes
Integrated power amplifier for long range and robust communication
High tolerance to interference from other 2.4 GHz radio sources
Supports multiple network stacks
32-bit RISC CPU for high performance and low power
Large embedded Flash memory to enable over-the-air firmware updates without external Flash memory
System BOM is low in component count and cost
Flexible sensor interfacing options
Very thin quad flat 6 × 6 mm, 40 terminal package; lead-free and RoHS compliant
Temperature range: -40 °C to +125 °C
Radio features include;
2.4 GHz IEEE802.15.4 compliant
Rx current 14.7 mA, in low power receive mode 13 mA
Receiver sensitivity -96 dBm
Configurable transmit power, for example:
10 dBm, 23.3 mA
8.5 dBm, 19.6 mA
3 dBm, 14 mA
Radio link budget 106 dB
Maximum input level of +10 dBm
Compensation for temperature drift of crystal oscillator frequency
128-bit AES security processor
MAC accelerator with packet formatting, CRCs, address check, auto-acks, timers
Integrated ultra low-power RC sleep oscillator (0.7 μA)
2.0 V to 3.6 V battery operation
Deep sleep current 50 nA (wake-up from IO)
< $0.15 external component cost
Antenna diversity (Auto RX)
MCU features:
32-bit RISC CPU; 1 MHz to 32 MHz clock speed
Variable instruction width for high coding efficiency
Multi-stage instruction pipeline
512 kB Flash
32 kB RAM
4 kB EEPROM
Data EEPROM with guaranteed 100 k write operations
ZigBee PRO stack with Home Automation, Light Link and Smart Energy profiles
2-wire I²C-bus compatible serial interface; can operate as either master or slave
5 × PWM (4 timers, 1 timer/counter)
2 low-power sleep counters
2 UARTs
SPI-bus master and slave port, 3 selects
Supply voltage monitor with 8 programmable thresholds
6-input 10-bit ADC, comparator
Battery and temperature sensors
Watchdog and Supply Voltage Monitor (SVM)
Up to 20 Digital IO (DIO) pins
NXP Semiconductors; www.nxp.com/products/microcontrollers/key_feature/zigbee/JN5169.html
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