Date: 1st Jun 2011
Radio SoC from Holtek for Walkie-talkie
Holtek has announced its new bi-directional radio SOC
device, the HT98R068 for use in the analog radio walkie-talkie
product applications as it offers sound processing MCU features
in areas such as FRS, MURS, GMRS etc.
Its sound processing capabilities include pre-emphasis/de-emphasis,
companding, programmable scramble setting, DTMF codec, programmable
selective codec and CTCSS/DCS codec. Other features include
flexible sound processing routings and parallel CTCSS management
for a range of different modes and operational possibilities.
The device includes 16k x 16 of Program Memory, 1K Bytes
of Data Memory, 34 I/O lines, internal 8-channel 12-bit
A/D, 4-channel 8-bit D/A, fast wake-up, high/low dual frequency
switchable operating system, SPI serial communication interface
and RTC etc.
The HT98R068 meets the requirements of industrial specifications
(-40 Deg c to 85 Deg C) and has high noise immunity as well
having internal Watchdog Timer, Low Voltage Detector, Low
Voltage Reset functions giving it outstanding immunity against
malfunction or erroneous operation. The device is available
in 48/46-pin LQFP package types.
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