Interfaces; Popport System Connector; Fm Radio - Nokia RM-70 Service Manual

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Pin Name
12 RX
13 TX3
14 VBACK

Interfaces

PopPort™ system connector
The PopPort™ connector is an interface between the phone and the accessories. The configuration may vary
between different phone models. In this model it includes:
• Audio
• Power out
• Detection/controlling
• USB
• FBus
• Charging
Pin # Signal
1 Charge
2 Charge GND
3 ACI
4 Vout
5 USB VBus
6 USB D+/FBus_RX
7 USB D-/FBus_TX

FM radio

This phone uses a single-chip electronically tuned FM stereo radio with low voltage application.
Page 8 –12
Figure 54 PopPort ™connector pins
Table 14 PopPort™ connector pins and signals
COMPANY CONFIDENTIAL
Copyright © 2005 Nokia. All rights reserved.
Pin # Signal
8 USB Data GND
9 XMIC N
10 XMIC P
11 XEAR N
12 XEAR P
13 XEAR RN
14 XEAR RP
RM-70
System module
Issue 1