Pop-Port Headset Detection; Fbus Detection - Nokia 6255 Description And Troubleshooting

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Pop-port Headset Detection

Accessory detection on the Pop-port is done digitally. The pins used for this accessory
detection are:
• Pin 2 (Charge GND)
• Pin 3 (ACI)
• Pin 4 (Vout)
Figure 24: Waveform showing Pop-port accessory detection

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)
Issue 2 05/2005
©2005 Nokia Corporation
6255/6255i6256/6256i (RM-19)
Baseband Description and Troubleshooting
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