Fbus Detection; Accessory Detection Through Aci - Nokia RH-66 Troubleshooting Manual

2115i/2116/2116i (RH-66)
Baseband Description and Troubleshooting

FBUS Detection

FBUS communication in Pop-port is done through the following lines:
• Pin 2 (Charge GND)
• Pin 3 (ACI)
• Pin 4 (Vout)
• Pin 6 (FBUS Rx)
• Pin 7 (FBUS Tx)
Figure 18: Waveform showing Pop-port FBUS communication

Accessory Detection Through ACI

USB and audio on (mono or stereo)/FM radio communication in Pop-port is done through
the following signals:
Page 26
Table 4: Accessory Detection Signals
USB
Pin 5 (USB Vbus)
Pin 6 (USB +)
Pin 7 (USB -)
Pin 8 (Data GND)
©2005 Nokia Corporation
Audio/FM
Pin 9 (XMic N)
Pin 10 (SMIC P)
Pin 11 (HSEAR N)
Pin 12 (HSEAR P)
Company Confidential Issue 1 03/2005