Wavecom G2 Specifikace stáhnout pdf (Strana 54)

Wireless CPU

Q24 Series

Interfaces

3.15 ON / ~OFF

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WM_PGM_Q24NG_PTS_001-005

November 20, 2007

This input is used to powe

wer-OFF, the ON/~O and the AT command

Pin description

3.15.1 General Description

r ON or OFF the Wireless CPU

T power-ON, a high level signal must be provided on the ON/~OFF pin of the

reless CPU

To po

“AT+

FF signal must be set to low

CPOF” must be sent to the Wireless CPU

Equivalent circuit

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.

ON/∼OFF

100

47K

VDD

Q24 Series

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 84 85

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Wavecom G2 Specifikace Strana 54