User Guide

CCS Technical Documentation System Module and User Interface

Company confidential RH-20

Issue 1 10/2003 Nokia Corporation. Page 55

Pop-Port system connector

Pop-Port system connector consists of a charging plug socket and a Pop-Port System

Connector. The Pop-Port is a feature based interface. The accessory contains information

about its features (ACI ASIC) and it is detected with a fully digital detection procedure.

Table 3: Pop-Port functions.

Figure 29: Pop-Port connections.

Function Note

Charging Pads for 2 -wire charging in cradles

Audio - 4 -wire fully differential stereo audio output

- 2-wire differential microphone input

- FM radio antenna connection

Power Supply for Accessories 2.78V/70 mA output to accessories

ACI (Accessory Control Interface) Accessory detection/removal & controlling

FBUS Standard FBUS

USB (Optional) Note: Not used in RH-20

USB D- / Fbus TX

USB D+ / Fbus RX

XMIC N

XMIC P

ACI

Charge GND

USB Vbus

DATA

HSEAR P

HSEAR N

HSEAR R

Charge

Vout