Manuali utente per Telit Communications S.p.A. GE864Q2B

Sommario

• APPLICABILITY TABLE

  2
• SCOPE

  6
• AUDIENCE

  6
• CONTACT INFORMATION, SUPPORT

  6
• DOCUMENT ORGANIZATION

  7
• TEXT CONVENTIONS

  8
• RELATED DOCUMENTS

  8
• DOCUMENT HISTORY

  9
• PIN-OUT

  12
• BGA Balls Layout

  17
• TURNING ON THE GE864-QUAD V2 / GE864-DUAL V2

  19
• TURNING OFF THE GE864-QUAD V2 / GE864-DUAL V2

  21
• Hardware Unconditional Restart

  22
• POWER SUPPLY REQUIREMENTS

  24
• GENERAL DESIGN RULES

  25
• Electrical Design Guidelines

  25
• Thermal Design Guidelines

  29
• Power Supply PCB Layout Guidelines

  30
• Parameters for ATEX Applications

  31
• GSM ANTENNA REQUIREMENTS

  33
• GSM ANTENNA – INSTALLATION GUIDELINES

  34
• RESET SIGNAL

  36
• MODEM SERIAL PORT

  37
• RS232 LEVEL TRANSLATION

  39
• 5V UART LEVEL TRANSLATION

  41
• 10.1. SELECTION MODE

  44
• 10.2. ELECTRICAL CHARACTERISTICS

  46
• 10.2.1. Input Lines Characteristics

  46
• 10.2.2. Output Lines Characteristics

  47
• 11.1. GPIO LOGIC LEVELS

  50
• USING A GPIO PAD AS INPUT

  51
• USING A GPIO PAD AS OUTPUT

  51
• USING THE RF TRANSMISSION CONTROL GPIO4

  51
• USING THE RFTXMON OUTPUT GPIO5

  52
• USING THE ALARM OUTPUT GPIO6

  53
• USING THE BUZZER OUTPUT GPIO7

  53
• MAGNETIC BUZZER CONCEPTS

  54
• 11.7.1. Short Description

  54
• 11.8.1 Frequency Behavior

  55
• 11.7.2. Power Supply Influence

  55
• 11.7.3. Warning

  55
• 11.7.4. Working Current Influence

  56
• USING THE TEMPERATURE MONITOR FUNCTION

  56
• 11.8.1. Short Description

  56
• 11.8.2. Allowed GPIO

  56
• INDICATION OF NETWORK SERVICE AVAILABILITY

  57
• RTC BYPASS OUT

  58
• DAC CONVERTER

  59
• Description

  59
• Enabling DAC

  59
• Low Pass Filter Example

  60
• ADC CONVERTER

  60
• Description

  60
• Using ADC Converter

  61
• DEBUG OF THE GE864-QUAD V2 / GE864-DUAL V2 IN PRODUCTION

  61
• 12.1. RECOMMENDED FOOT PRINT FOR THE APPLICATION

  63
• 12.2. STENCIL

  63
• 12.3. PCB PAD DESIGN

  64
• 12.4. SOLDER PASTE

  65
• 12.4.1. GE865 Solder reflow

  66
• MOISTURE SENSIBILITY

  69