Date: 8th July 2011
USB2.0 integrated speaker MCU from Holtek
Holtek has released its latest USB Speaker OTP MCU; the
HT82A824R integrated with USB 2.0 Full Speed Compatible
SIE, digital to analog converter and also incorporates a
high power audio amplifier within its embedded microcontroller
giving users a platform for the design and manufacture of
related audio products.
As per Holtek the embedded UART and various hardware resources
make the HT82A824R suitable for product areas such as iPhones,
iPods, and iPad docking stations. Auto run applications
can also be easily implemented using the internal SPI and
USB Bulk ports in the HT82A824R together with external SPI
Flash Memory.
HT82A824R uses a Holtek 8-bit MCU core, has 8K x 16 of
Program Memory, 864 x 8 of Data Memory and 512 x 8 of Read-only
Memory, operating voltage of 4.0V~5.5V, a system frequency
up to 16MHz and 21 I/O lines. Besides the features of the
HT82A822R, the HT82A824R, after conversion of the played
music into the frequency domain, can display the played
audio spectrum on an LCD. By also simultaneously changing
the backlight color, users can be provided with a visually
appealing audio output display says Holtek.
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