Specifications

Wireless CPU
®
Q24 Series
Interfaces
©Confidential Page: 38 / 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
Pin description
Signal Pin I/O I/O type Reset state Description
Multiplexed
with
GPIO2 54 I/O
CMOS / 2X
(C1)
High
impedance
General Purpose
I/O
CT125/RI1
GPIO3 51 I/O
CMOS / 2X
(C1)
High
impedance
General Purpose
I/O
CT109/DCD1
(C1): To obtain more details on I/O type, refer to section 4.2 "I/O Circuit diagram"
3.10 Activity Status Indication
The activity status indication signal may be used to drive a FLASH LED through an
open collector transistor
.
Q24 Series LED status
LED
status
Comments
OFF Wireless CPU
®
in download mode or Wireless CPU
®
is in OFF mode.
ON Permanent
Wireless CPU
®
switched ON, not registered
on the network.
Slow
flash
LED ON for 200 ms, OFF for
2 s
Wireless CPU
®
switched ON, registered on
the network.
Quick
flash
LED ON for 200 ms, OFF for
600 ms
Wireless CPU
®
switched ON, registered on
the network and communication is in
progress.
Pin description
Signal Pin I/O I/O type Reset state Description Multiplexed with
FLASH LED 52 O CMOS 2X (C1) High impedance LED driving GPIO1
(C1): To obtain more details on I/O type, refer to section 4.2 "I/O Circuit diagram"