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16.3 Wakeup Events 47 16.3.1 Wakeup Timer Event 47 16.3.2 DIO Event 47 16.3.3 Comparator Event 47

IEEE802.15.4 / ZigBee Wireless MicrocontrollersR - 34237 17 Electrical Characteristics 48

17.1 Maximum ratings 48 17.2 DC Electrical Characteristics 48 17.2.1 Operating Conditions 48 17.2.2 DC Current Consumption 49 17.2.3 I/O Characteristics 50 17.3 AC Characteristics 50 17.3.1 Reset 50 17.3.2 SPI Timing 51 17.3.3 Two-wire serial interface 52 17.3.4 Power Down and Wake-Up timings 52 17.3.5 32kHz Oscillator 53 17.3.6 16MHz Crystal Oscillator 53 17.3.7 Analogue to Digital Converters 53 17.3.8 Digital to Analogue Converters 54 17.3.9 Comparator 55 17.3.10 Temperature Sensor 56 17.3.11 Radio Transceiver 56

Appendix A Mechanical and Ordering Information 60

A.1 Package Drawing 60 A.2 Ordering Information: 61 A.3 Tape and Reel Information: 62 A.3.1 Tape Orientation and Dimensions 62 A.3.2 Reel Information: 7” Reel 63 A.3.3 Reel Information: 13” Reel 64 A.3.4 Dry Pack Requirement for Moisture Sensitive Material 64 A.4 PCB Design and Reflow Profile 65

Appendix B Development Support 66

B.1 Crystal Oscillator 66 B.1.1 Crystal Equivalent Circuit 66 B.1.2 Crystal Load Capacitance 67 B.1.3 Crystal ESR and Required Transconductance 67 B.2 16MHz Oscillator 69 B.3 Applications Schematic 70

Appendix C 71

Related Documents 71 RoHS Compliance 71 Status Information 71 Disclaimers 72 Version Control 72 Contact Details 73
iv JN-DS-JN5121 v1.8 © Jennic 2007 Preliminary