A - 8 MC909X Integrator Guide
Mobile Computer Pin-Outs
Figure A-1
Pin Locations
Table A-4
Pin-Outs
PIN Number Signal Name Function
1 USB_GND USB
2 USB_D_PLUS USB
3 TXD RS232C
4 RXD RS232C
5 DCD RS232C
6 RTS RS232C
7 DSR RS232C
8 GND Ground, 2.5A max.
9 RI RS232C
10 CRADLE_DET Grounded by cradle when in cradle
11 DTR RS232C
12 Not connected Not connected
13 POWER_IN 12V, 2.5A max
14 CTS RS232C
15 USB_5V_DET USB
16 USB_D_MINUS USB
17 EXT_PWR_OUT 3.3V @500mA
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