Palm Universal Connector

From HwB

Connector on Palm handheld PDAs.

Available on:

  • Tungsten T, T2, T3, C, W
  • Zire 71
  • Palm m500, m505, m515
  • Palm i705
  • Palm m125, m130
  • Garmin iQue 3600


Pin Name Dir Description
1 GND Arrow.png Signal- and charge ground (connected to pin 7)
2 USB_D+ Arrowlr.png Positive USB data signal
3 USB_D- Arrowlr.png Negative USB data signal
4 VBUS Arrowl.png VBUS signal
5 HOTSYNC Arrowl.png HotSync IRQ (+3.3V for hot sync button)
6 N/C Not Connected
7 GND Arrow.png Signal- and charge GND (connected to pin 1)
8 ID Arrowl.png Identification for peripherials, resistor to ground.
  • 0 Ω: USB cradle
  • 7.5 kΩ: Serial cradle
  • 20 kΩ: Mfg. Test Cradle
  • 47 kΩ: USB peripheral
  • 100 kΩ: Serial peripheral
  • 220 kΩ: modem
9 Vout Arrowr.png +3.2V supply output, 100mA max.
10 RxD Arrowl.png RS-232 RxD signal
11 TxD Arrowr.png RS-232 TxD signal
12 DETECT Arrowl.png Peripherial detect. Tied to ground by peripherials.
13 CTS Arrowl.png RS-232 CTS signal
14 RTS Arrowr.png RS-232 RTS signal
15 DTR Arrowr.png RS-232 DTR signal
16 CHARGE Arrowl.png +5V charge supply input, 500-700mA

Note: Direction is PDA relative cradle/peripheral.

Note: RS232 signals are actually RS232 level, not TTL.