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LC89057W-VF4A-E Datasheet(PDF) 2 Page - ON Semiconductor |
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LC89057W-VF4A-E Datasheet(HTML) 2 Page - ON Semiconductor |
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2 / 59 page  LC89057W-VF4A-E No.7202-2/59 2.2 Outputs various information to make system configuration easy • Outputs DTS-CD/LD detection flag by DTS sync signal detection. • Outputs burst preamble Pc from microcontroller interface. • Calculates sampling frequency of input signal and outputs it from microcontroller interface. • Outputs interrupt signal for microcontroller (interrupt source can be selected). • Outputs signal of transitional period switching between VCO clock and oscillation amplifier clock. • Outputs bit 1 of channel status (non-PCM data detection bit). • Outputs emphasis information of channel status. • Outputs renewed flag of the first 48 bits channel status. • Channel status bit, validity flag and user data output are selectable. • Outputs modulation/demodulation preamble B information. • Possible to carry out and output various settings through microcontroller interface. 2.3 Plenty of built-in functions to reduce peripheral circuits • Includes modulation function that can attach channel status, validity flag, and user data. • Equipped with a total of 7 digital data input pins: 1 input pin with an amplifier and 6 input pins with 5V tolerable TTL level signal. • Possible to monitor input pin status with microcontroller by mounting a bi-phase input data detection function. • Possible to select input data among 8 system input data including modulation function output. • Possible to select output of input-data through among 8 system input data aside from selecting demodulation data. • Includes 2 system bit clock and LR clock outputs. Various frequency-dividing ratios can be set to one of these two systems. • Equipped with a serial digital audio data input pin. Possible to switch with demodulation output. • Possible to modulate the data that is input to the serial digital audio data input pin. • Includes built-in oscillation amplifier and frequency divider for quartz resonator and also possible to use them as clock generator. • Includes 4 bits general-purpose parallel I/O port. It can be used for interface with peripheral ICs. • All the channel status can be decoded through peripheral circuit using preamble B information. • A continuous switching operation between external clock synchronous mode and PLL clock synchronous mode is possible. • Single 3.3V-power supply operation. TTL input port supports 5V interface. • Adopts small SQFP48 package for efficient use of substrate mounting area. Package Dimensions unit : mm (typ) 3163B SANYO : SQFP48(7X7) 7.0 9.0 0.15 0.18 0.5 (0.75) 112 13 24 25 36 37 48 |
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