User's Manual

BlueMod+S42 Hardware User Guide
1VV0301303 Rev.3 – 2016-08-22
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved.
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Figures
Figure 1: BlueMod+S42/AI Block Diagram ...................................................................................... 16
Figure 2: BlueMod+S42 Example Power Supply with LDO ............................................................. 17
Figure 3: BlueMod+S42 Example Reset ......................................................................................... 18
Figure 4: Serial Interface Signals .................................................................................................... 20
Figure 5: Five Wire Interface supporting UICP (Minimum Signals needed) ..................................... 20
Figure 6: BlueMod+S42 Example Serial Interface (RS-232) Supporting UICP ................................ 22
Figure 7: BlueMod+S42 Example Serial Interface (Mixed Signal Level) .......................................... 22
Figure 8: BlueMod+S42 I
2
C Interface .............................................................................................. 25
Figure 9: BlueMod+S42 SPI Interface (Example: Master Mode) ..................................................... 26
Figure 10: BlueMod+S42 NFC Antenna Tuning .............................................................................. 27
Figure 11: BlueMod+S42 connection of external XTAL ................................................................... 29
Figure 12: BlueMod+S42 Pin Numbering (Top View) ...................................................................... 32
Figure 13: Typical Antenna Radiation Pattern at 2402MHz ............................................................. 46
Figure 14: Typical Antenna Radiation Pattern at 2441MHz ............................................................. 46
Figure 15: Typical Antenna Radiation Pattern at 2480MHz ............................................................. 46
Figure 16: BlueMod+S42/AI Dimensions ......................................................................................... 48
Figure 17: BlueMod+S42 Land Pattern TOP VIEW ......................................................................... 49
Figure 18: Soldering Temperature-Time Profile (For Reflow Soldering) .......................................... 49
Figure 19 : BlueMod+S42/AI Placement Recommendation ............................................................. 51
Figure 20: Typical Application Schematics ...................................................................................... 52
Tables
Table 1 Product Applicability ............................................................................................................. 2
Table 2: Power up Rise Time Requirements ................................................................................... 18
Table 3: Pin States during Reset ..................................................................................................... 19
Table 4: Deviation of Baud rates ..................................................................................................... 23
Table 5: 32,768kHz Crystal Oscillator ............................................................................................. 28
Table 6: Testmode# / Boot0 Logic................................................................................................... 29
Table 7: General Pin Assignment .................................................................................................... 34