FS6011-02 Datasheet, PDF (1/15 Pages) List of Unclassifed Manufacturers – DIGITAL AUDIO/VIDEO CLOCK GENERATOR IC

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July 1998
1.0 Features
• Triple phase-locked loop (PLL) device provides exact
ratiometric derivation of Audio, Processor, and Utility
Clocks
• On-chip tunable voltage-controlled crystal oscillator
(VCXO) allows precise system frequency tuning
• Serial interface for Audio and Utility Clock frequency
selection
• Board-programmable Processor Clock frequency
selection
• Supports 32, 44.1, and 48kHz 256x oversampled
DACs as well as 384x at 44.1kHz and 512x at 48kHz
• Tunable Audio Clock frequencies for undetectable
resynchronization of audio and video streams
• Small circuit board footprint (16-pin 0.150″ SOIC)
• Custom frequency selections available - contact your
local AMI Sales Representative for more information
2.0 Description
The FS6011-02 is a monolithic CMOS clock generator IC
designed to minimize cost and component count in digital
video/audio systems.
At the core of the FS6011-02 is circuitry that implements
a voltage-controlled crystal oscillator when an external
resonator (nominally 27MHz) is attached. The VCXO al-
lows device frequencies to be precisely adjusted for use
in systems that have frequency matching requirements,
such as digital satellite receivers.
Three high-resolution phase-locked loops independently
generate three other selectable frequencies derived from
the VCXO frequency. These clock frequencies are re-
lated to the VCXO frequency and to each other by exact
ratios. The locking of all the output frequencies together
can eliminate unpredictable artifacts in video systems
and unpredictable electromagnetic interference (EMI)
performance due to frequency harmonic stacking.
Figure 1: Block Diagram
PSEL0
PSEL1
Processor
Clock PLL
XTUNE
XIN
XOUT
VCXO
Audio
Clock PLL
Utility
Clock PLL
SLOAD
SCLK
SDATA
Serial
Interface
FS6011
PCLK
ACLK
UCLK
CLK_27
Figure 2: Pin Configuration
SCLK ¹
SDATA ²
SLOAD ³
VSS ⁴
XIN ⁵
XOUT ⁶
XTUNE ⁷
VDD ⁸
16 _CLK27
15 _ACLK
14 _VDD
13 _UCLK
12 _PCLK
11 _VSS
10 _PSEL0
9 _PSEL1
16-pin (0.150″) SOIC
American Microsystems, Inc. reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.
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