GENNUM EB1572, Reference Design

Page: 8 / 18

GS1572 A Guide to Designing with the GS1572
(EB1572)
Reference Design
46282 - 1
November 2009
8 of 18
Proprietary & Confidential
of Operation on page 9 describes the setting of these jumpers to serialize specific input
data formats.
The LOCK LED on the GS1572 indicates the status of the LOCKED pin on the GS1572. The
LED will be on whenever the GS1572 PLL is locked to PCLK.
Figure 3-2: Parallel Input Bus
3.3 Outputs
The GS1572 contains an integrated serial digital cable driver (see Figure 3-3 ) to
guarantee SMPTE return loss specifications are met at HD rates.
The output signal may be enabled or disabled by setting the SDO_EN/DIS jumper.
INPUT BUS
DIN[19:0]
PCLK
INPUT