Q2686 Wavecom, Q2686 Datasheet - Page 62

• Manufacturer Part Number: Q2686
• Description: Wireless CPU
• Manufacturer: Wavecom

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Q2686
state
Wireless
CPU
Wireless
CPU
3.20
FLASH LED is an open drain output. A LED and a resistor can be directly
connected between this output and VBATT.
When the Q2686 Wireless CPU
is connected on CHG-IN inputs, this output flashes ( 100 ms ON, 900 ms OFF )
to indicate the pre-charging phase of the battery.
When the Q2686 Wireless CPU
status.
See Chapter 3.3, “Electrical information for digital I/O” for Open drain, 2V8 and 1V8 voltage
characteristics and Reset state definition.
This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without
prior written agreement.
WM_PRJ_Q2686_PTS_001-007
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FLASH-
Signal
OFF
ON
LED
FLASH-LED Signal
VBATT<2.8V or
VBATT> 3.2V
2.8V < VBATT <
3.2V
VBATT > 3.2V
VBATT status
number
Pin
confidential ©
17
I/O
O
FLASH-LED status
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Pin description
OFF
Pre-charge flash
LED ON for 100
ms, OFF for 900
ms
Permanent
Slow flash
LED ON for 200
ms, OFF for 2 s
Quick flash
LED ON for 200
ms, OFF for 600
ms
Very quick flash
LED ON for
100ms, OFF for
200ms
is OFF, if 2.8V < VBATT < 3.2V and a charger
is ON, this output is used to indicate network
Open Drain
FLASH-LED
I/O type
Output
status
Reset state
Undefined
1 and
Wireless CPU
Wireless CPU
Pre-charging mode
(charger must be
connected on CHG-IN to
activate this mode)
Wireless CPU
ON, not registered on the
network
Wireless CPU
ON, registered on the
network
Wireless CPU
ON, registered on the
network, communication in
progress
Wireless CPU
on, software downloaded
is either corrupted or non-
compatible ("BAD
SOFTWARE")
Q2686 Wireless CPU
Q2686 Wireless CPU
status
LED driving
Description
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is OFF
is OFF,
switched
switched
switched
switched
Interfaces
March 6, 2007
Page: 61 / 87
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