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EM260-RTR 数据表(PDF) 3 Page - Silicon image |
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EM260-RTR 数据表(HTML) 3 Page - Silicon image |
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3 / 50 page EM260 Page 3 120-0260-000M Rev 1.1 Contents 1 Pin Assignments 4 2 Top-Level Functional Description 7 3 Electrical Characteristics 9 3.1 Absolute Maximum Ratings 9 3.2 Recommended Operating Conditions 9 3.3 Environmental Characteristics 10 3.4 DC Electrical Characteristics 11 3.5 Digital I/O Specifications 12 3.6 RF Electrical Characteristics 13 3.6.1 Receive 13 3.6.2 Transmit 14 3.6.3 Synthesizer 14 4 Functional Description 15 4.1 Receive (RX) Path 15 4.1.1 RX Baseband 15 4.1.2 RSSI and CCA 15 4.2 Transmit (TX) Path 16 4.2.1 TX Baseband 16 4.2.2 TX_ACTIVE Signal 16 4.3 Integrated MAC Module 16 4.4 Packet Trace Interface (PTI) 17 4.5 XAP2b Microprocessor 17 4.6 Embedded Memory 17 4.6.1 Simulated EEPROM 17 4.6.2 Flash Information Area (FIA) 18 4.7 Encryption Accelerator 18 4.8 nRESET Signal 18 4.9 Reset Detection 18 4.10 Power-on-Reset (POR) 18 4.11 Clock Sources 19 4.11.1 High-Frequency Crystal Oscillator 19 4.11.2 Internal RC Oscillator 20 4.12 Random Number Generator 20 4.13 Watchdog Timer 21 4.14 Sleep Timer 21 4.15 Power Management 21 5 SPI Protocol 22 5.1 Physical Interface Configuration 22 5.2 SPI Transaction 22 5.2.1 Command Section 23 5.2.2 Wait Section 23 5.2.3 Response Section 23 5.2.4 Asynchronous Signaling 23 5.2.5 Spacing 24 5.2.6 Waking the EM260 from Sleep 24 5.2.7 Error Conditions 24 5.3 SPI Protocol Timing 25 5.4 Data Format 26 5.5 SPI Byte 27 5.5.1 Primary SPI Bytes 27 5.5.2 Special Response Bytes 28 5.6 Powering On, Power Cycling, and Rebooting28 5.6.1 Bootloading the EM260 29 5.6.2 Unexpected Resets 29 5.7 Transaction Examples 29 5.7.1 SPI Protocol Version 30 5.7.2 EmberZNet Serial Protocol Frame— Version Command 31 5.7.3 EM260 Reset 32 5.7.4 Three-Part Transaction: Wake, Get Version, Stack Status Callback 33 6 UART Gateway Protocol 35 7 SIF Module Programming and Debug Interface 37 8 Typical Application 38 9 Mechanical Details 40 10 QFN40 Footprint 42 11 Part Marking 43 12 Ordering Information 44 13 Shipping Box Label 45 14 Abbreviations and Acronyms 46 15 References 48 16 Revision History 49 |
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