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| 飞思卡尔MC13192 ZigBee网络方案 | |||||
作者：飞思卡尔 文章来源：飞思卡尔 点击数： 更新时间：2008-4-28  |
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MC13192 2.4 GHz Low Power Transceiver for the IEEE® 802.15.4 Standard The MC13192 is a short range, low power, 2.4 GHz Industrial, Scientific, and Medical (ISM) band transceivers. The MC13192 contains a complete 802.15.4 physical layer (PHY) modem designed for the IEEE 802.15.4 Standard which supports peer-to-peer, star, and mesh networking. The MC13192 includes the 802.15.4 PHY/MAC for use with the HCS08 Family of MCUs. The MC13192 can be used with Freescale’s IEEE 802.15.4 MAC and BeeStack, which is Freescale’s ZigBee 2006 compliant protocol stack. When combined with an appropriate microcontroller (MCU), the MC13192 provide a cost-effective solution for short-range data links and networks. Interface with the MCU is accomplished using a four wire serial peripheral interface (SPI) connection and an interrupt request output which allows for the use of a variety of processors. The software and processor can be scaled to fit applications ranging from simple point-to-point systems, through complete ZigBee networking. The transceiver includes a low noise amplifier, 1.0 mW power amplifier (PA), PLL with internal voltage controlled oscillator (VCO), on-board power supply regulation, and full spread-spectrum encoding and decoding. The device supports 250 kbps Offset-Quadrature Phase Shift Keying (O-QPSK) data in 2.0 MHz channels with 5.0 MHz channel spacing per the 802.15.4 Standard. The SPI port and interrupt request output are used for receive (RX) and transmit (TX) data transfer and control. 主要特性： Supports 250 kbps O-QPSK data in 5.0 MHz channels and full spread-spectrum encode and decode (compatible with the 802.15.4 Standard) Operates on one of 16 selectable channels in the 2.4 GHz band RX sensitivity of <-92 dBm (typical) at 1.0% packet error rate 0 dBm nominal, programmable from -27 dBm to 4 dBm typical maximum output power Recommended power supply range: 2.0 to 3.4 V Buffered transmit and receive data packets for simplified use with low cost MCUs Three power down modes for power conservation: — < 1 μA Off current — 1 μA Typical Hibernate current — 35 μA Typical Doze current (no CLKO) Four internal timer comparators available to supplement MCU resource Programmable frequency clock output (CLKO) for use by MCU Onboard trim capability for 16 MHz crystal reference oscillator eliminates need for external variable capacitors and allows for automated production frequency calibration. Seven general purpose input/output (GPIO) signals Operating temperature range: -40 °C to 85 °C Small form factor QFN-32 Package  图1.MC13192 简化方框图  图2.ZigBee系统级方框图  图3.MC13192和MC9S08GT60 SARD参考设计电路图 |
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