- 26 / 26-
Besides managing the audio information the micro Controller is communicating via a
proprietary communication channel with the
10.4 In/Out expander
IC401 is an 8-bit µP used as In/out expander and ADC for the buttons and indication leds of
the SpeechMike II. The communication between µ Controller IC101 and IC 401 is handled
via a proprietary communication system using pin 5 PER Clock and pin 6 PER Data. IC401
provides also the MUTE information whenever a button of the SpeechMike is pressed.
10.5 Buttons
SK 407 Button on bottom of the set
SK408 Button on bottom of the set
SK409 Mouse button left
SK410 Mouse button right
SK 411 Scroll wheel
SK412 Function button left
SK413 Function button left
SK413 Function button right
SK413 Function button right
Switch
Slide switch
11 Environment
As a matter of course the new SpeechMike Barcode is produced according to the RoHS
Directive:
More information about ROHS can be found under following link:
RoHS Directive
To Previous Page
Loading...
