Acer N30, N35, N310, N311, N50

01 Mar 1998

PDA connectors and cables

4 pin USB A or USB B plug connector layout 4 pin USB A or USB B plug connector at the interface cable

26 pin Asus MyPal special connector diagram 26 pin Asus MyPal special connector at the PDA


Pin Nr.	Classification	Pin Name	I/O	Description
01	POWER	GND		Signal ground, Battery charging ground
02	GND		Signal ground, Battery charging ground
03	GND		Signal ground, Battery charging ground
04	N.C.
05	RS232	COM_DCD	I	Full Function UART Data-Carrier-Detect
06	COM_DSR	I	Full Function UART Data-Set-Ready
07	COM_RXD	I	Full Function UART Receive
08	COM_RI	I	Full Function UART Ring Indicator
09	COM_CTS	I	Full Function UART Clear-to-Send
10	COM_DTR	O	Full Function UART Data-Terminal-Ready
11	COM_TXD	O	Full Function UART Transmit
12	COM_RTS	O	Full Function UART Request-to-Send
13	USB CLIENT	IO_DEV_USBN	I-O	USB Client Device D - (negative) signal
14	USB CLIENT	IO_DEV_USBP	I-O	USB Client Device D + (positive) signal
15	USB HOST	IO_HOST_USBN	I-O	USB Host Device D - (negative) signal
16	USB HOST	IO_HOST_USBP	I-O	USB Host Device D + (positive) signal
17	POWER out	VBUS	O	Provide power to USB device (PDA is host) (+)
18	POWER in	USB_CHARGE	I	Charge battery via USB from external computer (PDA is client). Two types of charging current : 100mA or 500mA depending on your power supply (+)
19	POWER in	USB_CHARGE	I
20	N.C.
21	EXT SPKR	SPCAROUT	O	Speaker signal output to accessory
22	EXT SPKR DET	CARDETECT	I	Detection : Turns off internal speaker if external is present
23	N.C.
24	POWER	+ADAP	I	Positive terminal of DC adaptor that powers the internal charging circuit of Li-Ion battery. The approved power supply is 5.0V ± 5% @ 2A
25	+ADAP	I
26	+ADAP	I

This pinout may be incorrect in case of USB HOST connection used. Pins 21,22 are not connected on Acer n30. USB cable pinout

References