參數(shù)資料
型號(hào)： GS1535A
廠商： Gennum Corporation
英文描述： GS1535A / GS9065A HD-LINX-R II Multi-Rate SDI Automatic Reclocker
中文描述： GS1535A / GS9065A的HD - LINX進(jìn)程- R的第二多速率SDI自動(dòng)時(shí)鐘恢復(fù)器
文件頁(yè)數(shù)： 7/27頁(yè)
文件大?。?/td> 345K
代理商： GS1535A
GS1535A / GS9065A Data Sheet
31497 - 3
November 2005
7 of 27
24, 25, 26
SS[2:0]
Bi-directional
When AUTO/MAN is HIGH, SS[0:2] are outputs, displaying the data rate to
which the PLL has locked.
When AUTO/MAN is LOW, SS[0:2] are inputs, forcing the PLL to lock only to a
selected data rate
.
*Only applies to the GS1535A. For the GS9065A, when AUTO/MAN is LOW, the
pin settings SS[0:2] = 101 will be ignored by the device.
27
ASI/177
Logic Input
When set HIGH, the device disables the 177Mb/s data rate in the data rate
detection circuit. This prevents a false lock to 177Mb/s when using DVB-ASI.
When set LOW, 177Mb/s lock is possible, however, if a 270Mb/s ASI signal is
applied, the device could false lock to the 177MHz signal.
28
LD
Output
Lock Detect.
This pin is set HIGH by the device when the PLL is locked.
29
RSVD
Reserved
Do not connect.
30
VCC_DIG
Power
Most positive power supply connection for the internal glue logic.
Connect to 3.3V.
31
VEE_DIG
Power
Most negative power supply connection for the internal glue logic.
Connect to GND.
33
SD/HD
Output
GS1535A:
This signal will be set LOW by the device when the reclocker has locked to
1.485Gbps or 1.485/1.001Gbps, or when a non-SMPTE standard is applied (i.e.
the device is not locked).
It will be set HIGH when the reclocker has locked to 143Mbps, 177Mbps,
270Mbps, 360Mbps, or 540Mbps.
GS9065A:
This signal will go HIGH when the reclocker has locked to the input SD signal. It
will be LOW otherwise.
34
KBB
Analog Input
Controls the loop bandwidth of the PLL.
Leave this pin floating for serial reclocking applications.
35, 38 - 42
RSVD
Reserved
Do not connect.
36
DDO_MUTE
Logic Input
Mutes the DDO/DDO outputs, when not in bypass mode.
Table 1-1: GS1535A / GS9065A Pin Descriptions (Continued)
Pin Number
Name
Type
Description
SS2
SS1
SS0
DATA RATE
SELECTED/FORCED
(Mb/s)
0
0
0
143
0
0
1
177
0
1
0
270
0
1
1
360
1
0
0
540
1
0
1
1483.5/1485*
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