User Guide

Figure 52 External audio connector
Table 10 Audio connector pin assignments
Pin #/ Signal
name
Signal
description
Spectral range Voltage/
Current levels
Max or
nominal serial
impedance
Notes
1/ Charge V Charge DC 0-9V/ 0.85A
2/ GND Charge GND - 0.85A 100mΩ (PWB+
conn.)
3/ ACI ACI 1kbits/s Digital 0 / 47Ω Insertion &
removal
detection
2.5-2.78V
4/ Vout DC out DC 2.78V 70 mA 100mΩ (PWB+
conn.)
200mW
2.5V 90mA
9 / XMIC N Audio in 300-8k 1Vpp &
2.5-2.78VDC
10 / XMIC P Audio in 300-8k 1Vpp &
2.5-2.78VDC
11 / HEAR N or
video
Audio out or
video out
20-20k or 0-6M 1Vpp 10Ω or 75Ω Audio, video
multiplex
12 / HEAR P Audio out 20-20k 1Vpp 10Ω
13 / HEAR R N Audio out 20-20k 1Vpp 10Ω Not conn. in
mono
14 / HEAR R P Audio out 20-20k 1Vpp 10Ω Not conn. in
mono
RA-6
System Module
Page 6 –28 COMPANY CONFIDENTIAL Issue 1
Copyright © 2007 Nokia. All rights reserved.