GS9062-CFE3 datasheet(11/46 Pages) GENNUM

11 / 46 page

GS9062 Data Sheet

22209 - 7

February 2007

11 of 46

DETECT_TRS

Non

Synchronous

Input

CONTROL SIGNAL INPUT

Signal levels are LVCMOS/LVTTL compatible.

Used to select the timing mode of the device.

When set HIGH, the device will lock the internal flywheel to the

embedded TRS timing signals in the parallel input data.

When set LOW, the device will lock the internal flywheel to the

externally supplied H, V, and F input signals.

PCLK

–

Input

PARALLEL DATA BUS CLOCK

Signal levels are LVCMOS/LVTTL compatible.

SD 20-bit mode

PCLK = 13.5MHz

SD 10-bit mode

PCLK = 27MHz

LOCKED

Synchronous

with PCLK

Output

STATUS SIGNAL OUTPUT

Signal levels are LVCMOS / LVTTL compatible.

The LOCKED signal will be HIGH whenever the device has

correctly received and locked to SMPTE compliant data in

SMPTE mode or DVB-ASI compliant data in DVB-ASI mode.

It will be LOW otherwise.

73, 74

VCO, VCO

Analog

Input

Differential inputs for the external VCO reference signal. For

single ended devices such as the GO1555/GO1525*, VCO

should be AC coupled to VCO_GND.

*For new designs use GO1555

VCO_GND

–

Output Power

Ground reference for the external voltage controlled oscillator.

Connect to pins 2, 4, 6, and 8 of the GO1555/GO1525*. This pin

is an output.

Should be isolated from all other grounds.

*For new designs use GO1555

VCO_VCC

–

Output Power

Power supply for the external voltage controlled oscillator.

Connect to pin 5 of the GO1555/GO1525*. This pin is an output.

Should be isolated from all other power supplies.

*For new designs use GO1555

Analog

Output

Control voltage to external voltage controlled oscillator. Nominally

+1.25V DC.

CP_CAP

Analog

Input

PLL lock time constant capacitor connection. Normally connected

to VCO_GND through 2.2nF.

LB_CONT

Analog

Input

Control voltage to set the loop bandwidth of the integrated

reclocker.

CP_GND

–

Power

Ground connection for the charge pump. Connect to analog

GND.

Table 1-1: Pin Descriptions (Continued)

Number

Name

Timing

Type

Description

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