User Manual

Jennic
4 JN-DS-JN5148-001 1v2 © Jennic 2009
Preliminary
20 Analogue Peripherals 56
20.1 Analogue to Digital Converter 57
20.1.1 Operation 57
20.1.2 Supply Monitor 58
20.1.3 Temperature Sensor 58
20.2 Digital to Analogue Converter 58
20.2.1 Operation 58
20.3 Comparators 59
21 Power Management and Sleep Modes 60
21.1 Operating Modes 60
21.1.1 Power Domains 60
21.2 Active Processing Mode 60
21.2.1 CPU Doze 60
21.3 Sleep Mode 60
21.3.1 Wakeup Timer Event 61
21.3.2 DIO Event 61
21.3.3 Comparator Event 61
21.3.4 Pulse Counter 61
21.4 Deep Sleep Mode 61
22 Electrical Characteristics 62
22.1 Maximum Ratings 62
22.2 DC Electrical Characteristics 62
22.2.1 Operating Conditions 62
22.2.2 DC Current Consumption 63
22.2.3 I/O Characteristics 64
22.3 AC Characteristics 64
22.3.1 Reset and Voltage Brown-Out 64
22.3.2 SPI MasterTiming 66
22.3.3 Intelligent Peripheral (SPI Slave) Timing 66
22.3.4 Two-wire Serial Interface 67
22.3.5 Four-Wire Digital Audio Interface 68
22.3.6 Wakeup and Boot Load Timings 68
22.3.7 Bandgap Reference 69
22.3.8 Analogue to Digital Converters 69
22.3.9 Digital to Analogue Converters 70
22.3.10 Comparators 71
22.3.11 32kHz RC Oscillator 71
22.3.12 32kHz Crystal Oscillator 72
22.3.13 32MHz Crystal Oscillator 72
22.3.14 24MHz RC Oscillator 73
22.3.15 Temperature Sensor 73
22.3.16 Radio Transceiver 74
Appendix A Mechanical and Ordering Information 79
A.1 56-pin QFN Package Drawing 79
A.2 PCB Decal 80
A.3 Ordering Information 81
A.4 Device Package Marking 82
A.5 Tape and Reel Information 83
A.5.1 Tape Orientation and Dimensions 83