16 pin PalmOne Treo 650 special connector at the Smartphone
4 pin USB A or USB B plug connector at the computer’s cable
This page documents the 16-pin proprietary interface port used on the PalmOne Treo 650, Treo 700w, 750v, Tungsten T5, E2, TX, 680, and LifeDrive devices. The connector carries USB data, TTL serial, audio, and power signals specific to this family of Palm devices. Only the pins listed below are covered.
| Pin | Signal | Description |
|---|---|---|
| 1 | MIC_IN | |
| 2 | AGND | |
| 3 | SPKR_R | |
| 4 | SPKR_L | |
| 5 | POWER_OUT | |
| 6 | HOTSYNC | short to GND (pin 10) for HOTSYNC |
| 7 | RXD | TTL, can’t be directly connected to PC RS32 |
| 8 | TXD | TTL, can’t be directly connected to PC RS32 |
| 9 | Reserved | |
| 10 | DGND | |
| 11 | USB_D- | |
| 12 | USB_D+ | |
| 13 | VBUS | |
| 14 | VDOCK_RTN | |
| 15 | ADAPTER_ID | |
| 16 | VDOCK | |
| G | GND | in gap |
USB data cable
| Palm Pin | USB Signal | PC USB Pin |
| 16,13 | USB +5V | 1 |
| 11 | USB D- | 2 |
| 12 | USB D+ | 3 |
| G | USB GND | 4 |
Notes
- Please note, that as of the 3rd of August 2006 all the Palm documents number the pins in the opposite direction.