Compal Electronics Inc PICONODE 사용자 설명서
PicoNode Integration Specification
Contents
iii
9.2 Diversity Considerations ................................................................................................. 35
9.3 Block Diagram ................................................................................................................ 36
9.4 Antennas ....................................................................................................................... 36
10 Regulatory Considerations ............................................................................................ 39
10.1 FCC Warnings ............................................................................................................... 39
11 Errata .......................................................................................................................... 41
Figures
Figure 1 Typical Application Diagram ...................................................................................... 1
Figure 2 SPI Timing, CPOL = 0, CPHA = 0 .............................................................................. 15
Figure 3 picoNode Power-up Timing Sequence ...................................................................... 16
Figure 4 Host-Initiated picoNode Wake Sequence – SRDY Low (Synchronous) ...................... 17
Figure 5 Host-Initiated picoNode Wake Sequence – SRDY High (Asynchronous) .................... 18
Figure 6 Host-Driven Reset Sequence................................................................................... 19
Figure 7 Host MRQ Release/picoNode Allowed to Sleep Sequence ........................................ 20
Figure 8 SPI Master and Slave Message Sequences ............................................................... 25
Figure 9 Host Interface SPI Bus State Machine ...................................................................... 26
Figure 10 SPI Timing Example .............................................................................................. 27
Figure 11 Host Message on SPI – MMsg Pair ......................................................................... 28
Figure 12 Host Message on SPI – MHdr Pair .......................................................................... 29
Figure 13. Antenna Diversity with Ethertronics ...................................................................... 34
Figure 14 picoNode Block Diagram ....................................................................................... 36
Figure 15 Controlled Impedance RF Trace Design .................................................................. 38
Figure 16 picoNode PCB Land Pattern .................................................................................. 45
Figure 17 picoNode PCB Land Pattern Keepouts ................................................................... 45
Figure 18. Powered Example ................................................................................................. 46
Figure 19 Lithium Battery Example ...................................................................................... 46
Figure 20 picoNode Mechanical Dimensions.......................................................................... 47