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UC864 manual
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51 pages, 617.04 Kb
UC864 Hardware User Guide
1vv0300766a Rev.1 31/01/08
Contents
Main
UC864 Hardware User Guide
Page
Contents
Page
DISCLAIMER
1 Overview
2 Mechanical Dimensions
3 UC864-E module connections
3.1 PIN-OUT
UC864-E Hardware User Guide
1vv0300766a Rev.1 - 31/01/08
NOTE: RESERVED pins must not be connected
3.1.1 UC864-E Antenna connector
4 Hardware Commands
4.1 Turning ON the UC864-E
Page
4.2 Turning OFF the UC864-E
4.2.1 Hardware shutdown
4.2.2 Hardware Unconditional Restart
Page
5 Power Supply
5.1 Power Supply Requirements
Page
5.2 General Design Rules
5.2.1 Electrical Design Guidelines
5.2.1.1 + 5V input Source Power Supply Design Guidelines
5.2.1.2 + 12V input Source Power Supply Design Guidelines
Page
5.2.1.3 Battery Source Power Supply Design Guidelines
5.2.1.4 Battery Charge control Circuitry Design Guidelines
NOTE:
5.2.2 Thermal Design Guidelines
5.2.3 Power Supply PCB layout Guidelines
6 Antenna
6.1 Antenna Requirements
6.2 Antenna - Installation Guidelines
7 Logic level specifications
7.1 Reset signal
8 Serial Ports
8.1 MODEM SERIAL PORT
Page
8.2 RS232 level translation
Page
Page
5V UART level translation
Page
9 USB Port
9.1 Communication ports combinations
10 Audio Section Overview
10.1 Generality
10.2 Definitions
10.3 Selection
10.4 Electrical Characteristics
10.4.1 Input lines (microphone)
10.4.2 Output lines (speaker)
11 General Purpose I/O
11.1 Logic level specifications
11.2 Using a GPIO Pad as INPUT
11.3 Using a GPIO Pad as OUTPUT
11.4 Using the Alarm Output GPIO6
11.5 Using the Buzzer Output GPIO7
11.6 Indication of network service availability
11.7 RTC Bypass out
11.8 VAUX1 power output
11.9 Mounting UC864-E on your board
11.9.1 Debug of the UC864-E in production
12 Conformity Assessment Issues
13 SAFETY RECOMMANDATIONS
14 Document Change Log
