User guide

UC864-E/G/WD/WDU Hardware User Guide
1vv0300766a Rev.4
- 03/02/09
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved. Page 12 of 78
3. UC864-E/G/WD/WDU Module Connections
3.1. PIN-OUT
UC864-E/G/WD/WDU uses an 80 pin Molex p.n. 53949-0878 male connector for the
connections with the external applications. This connector matches the 54150-0878
models.
Pin Signal I/O Function
Internal
Pull up
Type
UC864-
E/G/WD/
WDU
Power Supply
1
VBATT - Main power supply Power
2
VBATT - Main power supply Power
3
VBATT - Main power supply Power
4
VBATT - Main power supply Power
5
GND - Ground Power
6
GND - Ground Power
7
GND - Ground Power
Audio
8
AXE I Hands-free switching
CMOS
2.6V
9
EAR_HF+ AO Hands-free ear output, phase + Audio
10
EAR_HF- AO Hands-free ear output, phase - Audio
11
EAR_MT+ AO Handset earphone signal output, phase + Audio
12
EAR_MT- AO Handset earphone signal output, phase - Audio
13
MIC_HF+ AI
Hands-free microphone input; phase +, nominal
level 3mVrms
Audio
14
MIC_HF- AI
Hands-free microphone input; phase -, nominal
level 3mVrms
Audio
15
MIC_MT+ AI
Handset microphone signal input; phase+,
nominal level 50mVrms
Audio
16
MIC_MT- AI
Handset microphone signal input; phase-,
nominal level 50mVrms
Audio
SIM Card Interface
18
1
SIMVCC - External SIM signal – Power supply for the SIM 1.8 / 3V
19
SIMRST O External SIM signal – Reset 1.8 / 3V
20
SIMIO I/O External SIM signal - Data I/O 1.8 / 3V
1
On this line a maximum of 10nF bypass capacitor is allowed