GS1560ACF Ver la hoja de datos (PDF) - Gennum -> Semtech
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GS1560ACF Datasheet PDF : 79 Pages
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1.3 Pin Descriptions
Table 1-1: Pin Descriptions
Pin
Number
1
2
3
4
5
6, 8
7
9
10
Name
CP_VDD
PDBUFF_GND
PD_VDD
BUFF_VDD
CD1
DDI1, DDI1
TERM1
DVB_ASI
IP_SEL
Timing
Type Description
–
Power Power supply connection for the charge pump. Connect to +3.3V DC
analog.
–
Power Ground connection for the phase detector and serial digital input
buffers. Connect to analog GND.
–
Power Power supply connection for the phase detector. Connect to +1.8V DC
analog.
–
Power Power supply connection for the serial digital input buffers. Connect
to +1.8V DC analog.
Non
Synchronous
Input
STATUS SIGNAL INPUT
Signal levels are LVCMOS/LVTTL compatible.
Used to indicate the presence of a serial digital input signal. Normally
generated by a Gennum automatic cable equalizer.
When LOW, the serial digital input signal received at the DDI1 and
DDI1 pins is considered valid.
When HIGH, the associated serial digital input signal is considered to
be invalid. In this case, the LOCKED signal is set LOW and all parallel
outputs are muted.
Analog
Input Differential input pair for serial digital input 1.
Analog
Input Termination for serial digital input 1. AC couple to EQ_GND.
Non
Synchronous
Input /
Output
CONTROL SIGNAL INPUT / STATUS SIGNAL OUTPUT
Signal levels are LVCMOS/LVTTL compatible.
This pin will be an input set by the application layer in slave mode.
This pin and its function are not supported in Master mode.
Slave Mode (MASTER/SLAVE = LOW)
When set HIGH in conjunction with SD/HD = HIGH and SMPTE_BYPASS
= LOW, the device will be configured to operate in DVB-ASI mode.
When set LOW, the device will not support the decoding or word
alignment of received DVB-ASI data.
Non
Synchronous
Input
CONTROL SIGNAL INPUT
Signal levels are LVCMOS/LVTTL compatible.
Used to select DDI1 / DDI1 or DDI2 / DDI2 as the serial digital input
signal, and CD1 or CD2 as the carrier detect input signal.
When set HIGH, DDI1 / DDI1 is selected as the serial digital input and
CD1 is selected as the carrier detect input signal.
When set LOW, DDI2 / DDI2 serial digital input and CD2 carrier detect
input signal is selected.
GS1560A/GS1561 HD-LINX® II Dual-Rate Deserializer
Data Sheet
27360 - 12
June 2009
8 of 79
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