BU2185F Datasheet Clock Generator

Manufacturer: ROHM

Overview: Multimedia ICs Clock generator BU2185F This IC generates the different clock used for DVD. Generates clocks for CD use, sound use, and MPEG use.

Datasheet Details

Part number	BU2185F
Manufacturer	ROHM
File Size	62.58 KB
Description	Clock generator
Datasheet	BU2185F_Rohm.pdf

General Description

s Pin No.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin name XTAL1-IN XTAL1-OUT CTRL2 AGND DGND DVDD XTAL2-IN XTAL2-OUT CLK1 DVDD CLK2 DVDD AVDD CLK3 CTRL1 OE Pin descriptions Reference oscillation input 1 (not used) Reference oscillation output 1 XTAL setting (Low: XTAL = 36.8MHz mode;

High: XTAL = 18.4MHz mode) Analog GND Digital GND Independent power supply for XTAL2-IN and XTAL2-O

Key Features

1) By connecting a crystal oscillating element, the different clock signals are generated. 2) Enables selection of the reference clock directly or with 1 / 2 output. 3) SOP 16-pin package. 4) Single 3.3V power supply. 5) With the standard clock output, an independent 5V power supply can be applied for a 5V output.
Block diagram DATA1A DATA1B XTAL1 IN XTAL1 OSC XTAL1 OUT PLL1 CLK2 (27.0000MHz ) SW CTRL1 H CLK1 (36.8640MHz) (18.4320MHz) L CTRL2 1/2 XTAL2 IN XTAL2 OSC XTAL 2.

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