User's Guide

UC864-E-AUTO / AWS-AUTO Hardware User Guide
1vv0300795 Rev.11 – 2010/11/18
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved. Page 4 of 78
Contents
1. OVERVIEW ............................................................................................................................................................... 6
2. MECHANICAL DIMENSIONS ............................................................................................................................... 7
2.1. UC864-E-AUTO / AWS-AUTO M ECHANICAL D IMENSIONS ................................................................................. 7
3. UC864-E-AUTO / AWS-AUTO MODULE CONNECTIONS............................................................................... 8
3.1. PIN-OUT ............................................................................................................................................................. 8
4. TEMPERATURE RANGE ..................................................................................................................................... 12
4.1. A NTENNA C ONNECTOR ( S ) ................................................................................................................................... 13
5. HARDWARE COMMANDS .................................................................................................................................. 14
5.1. T URNING ON THE UC864-E-AUTO / AWS-AUTO ............................................................................................. 14
5.2. I NITIALIZATION AND A CTIVATION STATE ................................................................................................................ 15
5.3. T URNING OFF THE UC864-E-AUTO / AWS-AUTO ........................................................................................... 17
5.3.1. Shutdown by Software Command ........................................................................................................ 18
5.3.2. Hardware Shutdown .............................................................................................................................. 19
5.3.3. Hardware Unconditional Restart ......................................................................................................... 20
5.4. S UMMARY OF T URNING ON AND OFF THE MODULE .............................................................................................. 21
6. POWER SUPPLY .................................................................................................................................................... 22
6.1. P OWER S UPPLY R EQUIREMENTS .......................................................................................................................... 22
6.2. G ENERAL D ESIGN R ULES .................................................................................................................................... 24
6.2.1. Electrical Design Guidelines ................................................................................................................ 24
6.2.2. Thermal Design Guidelines .................................................................................................................. 30
6.2.3. Power Supply PCB Layout Guidelines ................................................................................................. 32
7. ANTENNA(S) ........................................................................................................................................................... 34
7.1. GSM/WCDMA A NTENNA R EQUIREMENTS .......................................................................................................... 34
7.2. GSM/WCDMA A NTENNA - I NSTALLATION G UIDELINES ....................................................................................... 35
8. LOGIC LEVEL SPECIFICATIONS ..................................................................................................................... 36
8.1. R ESET S IGNAL .................................................................................................................................................... 37
9. USB PORT................................................................................................................................................................ 38
9.1. USB TRANSCEIVER SPECIFICATIONS .................................................................................................................... 39
10. SERIAL PORTS .................................................................................................................................................. 40
10.1. M ODEM S ERIAL P ORT .......................................................................................................................................... 40
10.2. RS232 L EVEL T RANSLATION ............................................................................................................................... 43
10.3. 5V UART L EVEL T RANSITION .............................................................................................................................. 46
11. AUDIO SECTION OVERVIEW ....................................................................................................................... 48
11.1. S ELECTION MODE ................................................................................................................................................ 48
11.2. E LECTRICAL C HARACTERISTICS ........................................................................................................................... 50
11.2.1. Input Lines (MIC1 and MIC2) Characteristics ..................................................................................... 50
11.3. OUTPUT LINES ( S PEAKER ) .............................................................................................................................. 51