User Guide

RM-11

Troubleshooting - Baseband CC Technical Documentation

Figure 32: FBus communication in Tomahawk

Accessory Detection Though ACI

USB and Audio on (mono or stereo) and FM radio communication in Tomahawk are done

through the following signals:

Table 11: Accessory detection signals

USB Audio/FM

Pin 5 (USB Vbus) Pin 9 (XMic N)

Pin 6 (USB +) Pin 10 (SMIC P)

Pin 7 (USB -) Pin 11 (HSEAR N)

Pin 8 (Data GND) Pin 12 (HSEAR P)

Pin 13 (HSEAR R N)

Pin 14 (HSEAR R P)