This part is a kind of semiconductor called TEA6100.
Function of this product has FM/IF system and microcomputer-based tuning interface.
Manufacturers : NXP
Image and pinout :
Some of the text within the PDF file :
INTEGRATED CIRCUITS DATA SHEET TEA6100 FM/IF system and microcomputer-based tuning interface Product specification File under Integrated Circuits, IC01 August 1987 Philips Semiconductors Product specification FM/IF system and microcomputer-based tuning interface GENERAL DESCRIPTION The TEA6100 is a FM/IF system circuit intended for microcomputer controlled radio receivers. The circuit includes highly sensitive analogue circuitry. The digital circuitry, including an I2C bus, controls the analogue circuitry and the AM/FM tuning and stop information for the microcomputer. Features • 4-stage symmetrical IF limiting amplifier • Software selectable AM or FM input • Symmetrical quadrature demodulator • Single-ended LF output stage • D.C. output level determined by the input signa [ ... ]