Motorola MC9090-G 用户手册
A - 6
MC9090-G RFID Integrator Guide Supplement
Mobile Computer Pin-Outs
Figure A-1
Pin Locations
Table A-3
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
1
8
17
9