User's Guide

UC864-E-AUTO / AWS-AUTO Hardware User Guide
1vv0300795 Rev.11 – 2010/11/18
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11.3.1. Output Lines Characteristics ................................................................................................................ 51
12. GENERAL PURPOSE I/O ................................................................................................................................. 52
12.1. L OGIC L EVEL S PECIFICATIONS ............................................................................................................................. 54
12.2. U SING A GPIO P AD AS I NPUT .............................................................................................................................. 55
12.3. U SING A GPIO P AD AS O UTPUT ........................................................................................................................... 55
12.4. U SING THE RF T RANSMISSION C ONTROL GPIO4 .................................................................................................. 56
12.5. U SING THE RFTXMON O UTPUT GPIO5 .............................................................................................................. 56
12.6. U SING THE A LARM O UTPUT GPIO6 ..................................................................................................................... 56
12.7. U SING THE B UZZER O UTPUT GPIO7 .................................................................................................................... 57
12.8. M AGNETIC B UZZER C ONCEPTS ............................................................................................................................ 58
12.8.1. Short Description ................................................................................................................................... 58
12.8.2. Frequency Behavior ............................................................................................................................... 59
12.8.3. Power Supply Influence ........................................................................................................................ 59
12.8.4. Working Current Influence ................................................................................................................... 59
12.9. U SING THE T EMPERATURE M ONITOR F UNCTION ................................................................................................... 60
12.9.1. Short Description ................................................................................................................................... 60
12.9.2. Allowed GPIO .......................................................................................................................................... 60
12.10. I NDICATION OF N ETWORK S ERVICE A VAILABILITY ............................................................................................. 62
12.11. RTC B YPASS O UT ........................................................................................................................................... 63
12.12. VAUX1 P OWER O UTPUT ................................................................................................................................. 63
13. DAC AND ADC SECTION ................................................................................................................................ 64
13.1. DAC C ONVERTER ................................................................................................................................................ 64
13.1.1. Description .............................................................................................................................................. 64
13.1.2. Enabling DAC .......................................................................................................................................... 64
13.1.3. Low Pass Filter Example ...................................................................................................................... 65
13.2. ADC C ONVERTER ................................................................................................................................................ 65
13.2.1. Description .............................................................................................................................................. 65
13.2.2. Using ADC Converter ............................................................................................................................. 65
14. MOUNTING THE MODULE ON YOUR BOARD ......................................................................................... 66
14.1. A PPLICATION PCB L AYOUT ................................................................................................................................. 67
14.2. C LEARANCE A REA ............................................................................................................................................... 69
14.3. T HERMAL D ISSIPATION ........................................................................................................................................ 69
14.4. M ODULE S OLDERING ........................................................................................................................................... 70
15. APPLICATION GUIDE ..................................................................................................................................... 71
15.1. D EBUG OF THE UC864-E-AUTO / AWS-AUTO IN PRODUCTION ......................................................................... 71
15.2. B YPASS CAPACITOR ON P OWER SUPPLIES ............................................................................................................ 72
15.3. SIM INTERFACE .................................................................................................................................................. 72
15.4. EMC RECOMMENDATIONS ................................................................................................................................... 73
16. PACKING SYSTEM ........................................................................................................................................... 74
17. CONFORMITY ASSESSMENT ISSUES ......................................................................................................... 75
18. SAFETY RECOMMENDATIONS .................................................................................................................... 77
19. DOCUMENT CHANGE LOG ........................................................................................................................... 78