Jennic has announced a new single-chip 32-bit wireless microcontroller for wireless networking communications based on the ZigBee PRO and IEEE802.15.4 standards.
The JN5148 achieves a system operating current consumption of 18 mA when receiving, and 15 mA transmitting at +3 dBm. With 128 KB ROM, 128 KB RAM and enhanced coding efficiency, the MCU has sufficient space for developers to integrate their embedded application software and the ZigBee PRO protocol stack into a single chip. It can also be used as a co-processor, enabling ZigBee PRO to be added to existing systems.
Programmable CPU clock speeds from 4 to 32 MHz and the use of five separate power domains provide the ability to select low power or high performance up to 32 MIPS CPU operation for the device to be used across a range of applications from low-power battery-backed networks to high I/O, processor intensive systems. A patent-pending Time of Flight ranging engine integrated into the device enhances location-based services for sensor networks by providing improved accuracy over conventional signal-strength based systems with little incremental cost.
The JN5148 integrates a high performance 32-bit RISC CPU core with mixed-signal peripherals and an IEEE802.15.4, 2,4 GHz transceiver. The 98 dB link budget and selectable high data-rate modes support indoor communication over distances up to 50 metres, while 128 bit AES encryption ensures a high level of security.
The first version of the device is offered with Jennic’s ZigBee PRO stack and is supported by a range of evaluation and development kits as well as reference designs, code examples and an online developer forum. In addition to the standalone wireless controller, the JN5148 is available in a fully integrated uFI module optimised for +2,5 dBm standard power, or +20 dBm high power.
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