Network Hardware User Manual
UC864-E Hardware User Guide
1vv0300766a Rev.1 - 31/01/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 8 of 51
3 UC864-E module connections
3.1 PIN-OUT
UC864-E 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
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
100K
Ω
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 + Audio
14 MIC_HF- AI Hands-free microphone input; phase - Audio
15 MIC_MT+ AI Handset microphone signal input; phase+ Audio
16 MIC_MT- AI Handset microphone signal input; phase- 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
21 SIMIN I External SIM signal - Presence (active low)
47K
Ω
1.8 / 3V
22 SIMCLK O External SIM signal – Clock 1.8 / 3V
Trace
1
On this line a maximum of 10nF bypass capacitor is allowed