rtii(4) - NetBSD Manual Pages

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RTII(4)                 NetBSD Kernel Interfaces Manual                RTII(4)

rtii -- AIMS Lab Radiotrack II FM radio device driver
option RADIO_TEA5759 rtii0 at isa? port 0x20c rtii1 at isa? port 0x30c radio* at rtii0
The rtii driver provides support for the AIMS Lab Radiotrack II FM radio tuners. The Radiotrack II is a stereo FM tuner that allows to tune in the range 87.5 - 108.0 MHz, report signal status on the current frequency, force audio output to mono, perform hardware signal search, and has an internal AFC. The Radiotrack II cards take only one I/O port. The I/O port is set by the driver to the value specified in the configuration file and must be either 0x20c or 0x30c. Philips Semiconductors released two almost identical chips TEA5757 and TEA5759. The TEA5757 is used in FM-standards in which the local oscilla- tor frequency is above the radio frequency (e.g. European and American standards). The TEA5759 is the version in which the oscillator frequency is below the radio frequency (e.g. Japanese standards). The option RADIO_TEA5759 changes the algorithm of frequency calculation for the TEA5757 based cards to conform with the Japanese standards.
isa(4), radio(4)
The rtii device driver appeared in OpenBSD 3.0 and NetBSD 1.6.
The rtii driver was written by Vladimir Popov and Maxim Tsyplakov. The man page was written by Vladimir Popov. NetBSD 10.99 October 8, 2001 NetBSD 10.99
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