Appendix B: Port Pinouts; Dock Port Pinout; Battery Contact Pinout - Psion EP10 User Manual

B.1

Dock Port Pinout

Pin # Pin Name
1 GND
2 VDD_EXT_PWR
3 VDD_EXT_PWR
4 VDD_EXT_PWR
5 BATT_OUT
6 AUDIO_P
7 AUDIO_N
8 VDD_USBOTG
9 DOCK_ID
10 USB_OTG_DN
11 USB_OTG_DP
12 USB_OTG_ID
13 GND
14 TXDATA
15 RXDATA
16 GND
B.2

Battery Contact Pinout

PIN # Signal Name
1 Pack +
2 Pack +
3 DQ
4 Det
5 -
6 Pack -
7 Pack -
Direction Rela-
Signal
tive To DPA
DGND -
VDD_EXT_PWR Input
VDD_BATT_OUT Output
Output
Output
Bi-directional
Input
Bi-directional
Bi-directional
Input
DGND -
Output
Input
DGND -
Function
Battery positive
Battery positive
Serial data I/O
Connect to Pack – through 0 
No Connection
Battery negative
Battery negative
Psion EP10 Hand-Held Computer User Manual

Appendix B: Port Pinouts

Dock Port Pinout
Comment
These 3 pins are
connected
together.
Audio positive.
Audio negative.
USB Power
(+5.5V).
As output, sup-
plies external
devices when
EP10 is in USB
Host mode.
As input, charges
battery when
EP10 is in USB
Client mode.
Dock ID.
RS-232 data
transmit. Max bit
rate 115 kbits/sec.
RS-232 data
receive.
Max bit rate
115 kbits/sec.
B-3