Flash Led (Led_Flash); Pin Descriptions; Electrical Characteristics - Sierra Wireless AirPrime SL808 Series Product Technical Specification & Customer Design Manuallines

Rev 1 Dec.10 Proprietary and Confidential - Specifications subject to change

5.7 Flash LED (LED_FLASH)

This digital output may be used to drive a general purpose LED.
Table 5-14: LED signal features
Feature
Purpose Flash LED output
•
Implementation
•
•
•
•
•

5.7.1 Pin descriptions

Table 5-15 describes the LED signal pin.
See Digital I/O electrical information
and reset state definitions.
Table 5-15: LED_FLASH pin description
Pin Signal
LED_FLASH O
60

5.7.2 Electrical characteristics

Table 5-16 describes the LED_FLASH signal's electrical characteristics.
Refer to Table 4-2 on page 34 for basic characteristics (type, voltage).
Table 5-16: LED_FLASH signal electrical characteristics
Parameter Condition
V
OL
V
OH
I
OUT
Used by host to control LED status by controlling LED diode
bias.
Digital output. 1.8 V logic
Source/sink maximum—8 mA
LED behavior can be configured by adjusting software settings.
LED pattern can be used to indicate network connection status.
Blink rate up to 10 Hz supported
on page 39 for 1V8 voltage characteristics
I/O I/O type
Digital output
Minimum
Details
Reset state Description
1 and LED driving
Undefined
Typical Maximum
0.4
8
Unit
V
V
mA
73