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Technical Support
On-Line Manuals
MCBTSX1001 User's Guide
Introduction
Setup
Theory of Operation
Block Diagram
Schematics
Technical Data
Prototyping Area
Microcontroller
Power Supply
Configuration
Cortex Debug Interface
LCD Panel
LEDs
Push Buttons
Potentiometer
Audio Output
Audio Input
Serial Port
USB Interface
MicroSD Connector
Writing Programs
Example Programs
Audio Output
The MCBTSX1001 board supports Audio Output from the on-chip DAC and op-amps with a low power LM386 amplifier (U1) controlled by the volume control at R20 and enabled by installing jumper JP10.
The S position of jumper JP7 directs the audio output to the on-board speaker. The J position of jumper JP7 directs the audio output to the headphone jack (Sp/Out).
When set to 0, jumper JP12 supplies a 1.2 bandgap buffered voltage reference for the single-ended amplifier SEOA0. When set to 1 jumper JP12 supplies a VDD/2 (1.65) buffered voltage reference.
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