User Manual
Jennic
JennicJennic
Jennic
© Jennic 2008 JN-DS-JN5139 v1.5 3
8.3.2 Reception 27
8.3.3 Auto Acknowledge 27
8.3.4 Beacon Generation 27
8.3.5 Security 27
8.4 Security Coprocessor 27
9 Digital Input/Output 29
10 Serial Peripheral Interface 30
11 Intelligent Peripheral Interface 33
11.1 Data Transfer Format 33
11.2 JN5139 Initiated Data Transfer 34
11.3 Remote Processor Initiated Data Transfer 34
12 Timers 35
12.1 Peripheral Timer / Counters 35
12.1.1 Pulse Width Modulation Mode 36
12.1.2 Capture Mode 36
12.1.3 Counter / Timer Mode 37
12.1.4 Delta-Sigma Mode 37
12.1.5 Timer / Counter Application 37
12.2 Tick Timer 39
12.3 Wakeup Timers 39
12.3.1 RC Oscillator Calibration 40
12.3.2 External 32kHz Clock Source 40
13 Serial Communications 41
13.1 Interrupts 42
13.2 UART Application 42
14 Two-Wire Serial interface 43
14.1 Connecting Devices 44
14.2 Multi-Master Operation 44
14.3 Clock Stretching 44
15 Analogue Peripherals 45
15.1 Analogue to Digital Converter 46
15.1.1 Operation 46
15.1.2 Supply Monitor 46
15.1.3 Temperature Sensor 46
15.2 Digital to Analogue Converter 47
15.2.1 Operation 47
15.3 Comparators 47
16 Power Management and Sleep Modes 48
16.1 Operating Modes 48
16.1.1 Power Domains 48
16.2 Active Processing Mode 48
16.2.1 CPU Doze 48
16.3 Sleep Mode 48
16.3.1 Wakeup Timer Event 49
16.3.2 DIO Event 49










