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MC1323X データシート(PDF) 7 Page - Freescale Semiconductor, Inc |
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MC1323X データシート(HTML) 7 Page - Freescale Semiconductor, Inc |
7 / 38 page MC1323x Advance Information, Rev. 0.0 Freescale Semiconductor 7 2.3.5 ZigBee-Compliant Network Stack Freescale’s BeeStack architecture builds on the ZigBee protocol stack. Based on the OSI Seven-Layer model, the ZigBee stack ensures inter-operability among networked devices. The physical (PHY), media access control (MAC), and network (NWK) layers create the foundation for the application (APL) layers. BeeStack defines additional services to improve the communication between layers of the protocol stack. At the Application Layer, the application support layer (ASL) facilitates information exchange between the Application Support Sub-Layer (APS) and application objects. Finally, ZigBee Device Objects (ZDO), in addition to other manufacturer-designed applications, allow for a wide range of useful tasks applicable to home and industrial automation. BeeStack uses the IEEE 802.15.4-compliant MAC/PHY layer that is not part of ZigBee itself. The NWK layer defines routing, network creation and configuration, and device synchronization. The application framework (AF) supports a rich array of services that define ZigBee functionality. ZigBee Device Objects (ZDO) implement application-level services in all nodes via profiles. A security service provider (SSP) is available to the layers that use encryption (NWK and APS), i.e., Advanced Encryption Standard (AES) 128-bit security. The complete Freescale BeeStack protocol stack includes the following components: • ZigBee Device Objects (ZDO) and ZigBee Device Profile (ZDP) • Application Support Sub-Layer (APS) • Application Framework (AF) • Network (NWK) Layer • Security Service Provider (SSP) • IEEE 802.15.4-compliant MAC and Physical (PHY) Layer 3 Integrated IEEE 802.15.4 Transceiver (Radio and Modem) The MC1323x IEEE 802.15.4 fully-compliant transceiver provides a complete 2.4 GHz radio with 250 kbps Offset-Quadrature Phase Shift Keying (O-QPSK) data in 5.0 MHz channels and full spread-spectrum encode and decode. The modem supports the full requirement of the IEEE 802.15.4 Standard functionality to transmit, receive, and do clear channel assessment (CCA), Energy Detect (ED), and Link Quality Indication (LQI). • Programmable output power with 0 dBm nominal output power, programmable from -30 dBm to +2 dBm typical • Receive sensitivity of -94 dBm (typical) at 1% PER, 20-byte packet • Differential bi-directional RF input/output port • Integrated transmit/receive switch • Receive current can be reduced while waiting or “listening” for an incoming frame using partial power down (PPD) mode |
同様の部品番号 - MC1323X |
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同様の説明 - MC1323X |
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