Specifications

Wireless CPU
®
Q24 Series
Interfaces
©Confidential Page: 53 / 83
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without
prior written agreement.
WM_PRJ_Q24NG_PTS_001-004
January 16, 2007
3.15 ON / ~OFF
3.15.1 General Description
This input is used to power ON or OFF the Wireless CPU
®
.
To power-ON, a high level signal must be provided on the ON/~OFF pin of the
Wireless CPU
®
.
To power-OFF, the ON/~OFF signal must be set to low and the AT command
“AT+CPOF” must be sent to the Wireless CPU
®
.
.
Equivalent circuit
Pin description
Signal Pin I/O I/O type Description
ON/∼OFF
6 I CMOS Power ON/OFF
Electrical characteristics
Parameters Min Max Unit
VIL 0 0.6 V
VIH 2.4 5 V
Warning:
All external signals must be inactive when the Wireless CPU
®
is OFF to avoid any
damage when starting and allow the Wireless CPU
®
to start and stop correctly.
GND
ON/∼OFF
47K
100K
47K
VDD
Q24 Series