User Guide

Issue 1 12/04 COMPANY CONFIDENTIAL 25

RAE-6/RA-4

6 - Baseband Description and Troubleshooting Nokia Customer Care

Figure 7:Pop-Port

connections

■ Universal Serial Bus (USB)

The USB interface of OMAP1510 supports the implementation of a full speed device, fully com-

pliant to USB2.0 standard. RAE-6/RA-4 uses an integrated USB transceiver.

■ Accessory Control Interface (ACI)

ACI (Accessory Control Interface) is a point-to-point, bi-directional serial bus. ACI has two main

features: 1) detecting the insertion and/or removal of an accessory device 2) acting as a data

Pin # Signal Note

1VCHAR

2 GND Charge ground

3 ACI Insertion & removal detection /Serial data bi-directional 1 kbit/s

4 Vout 200mW

5 USB VBUS

6 USB D+/FBUS RX

7 USB D-/FBUS TX

8 USB data GND Data ground

9 XMIC N Negative audio in signal

10 XMIC P Positive audio in signal

11 HSEAR N Negative audio out signal.

Max bandwidth from the phone

12 HSEAR P Positive audio out signal.

Max bandwidth from the phone

13 HSEAR R N Not connected or grounded in mono.

14 HSEAR R P Not connected or grounded in mono.

USB D-

USB D+

PWB

XMIC N

XMIC

ACI

Charge GND

USB VBUS

DATA GND

Shielding GND

HSEAR

HSEAR N

Shielding GND

HSEAR R P

HSEAR R N

Charge

Vout