參數(shù)資料
型號: GS1522
廠商: Electronic Theatre Controls, Inc.
英文描述: HDTV Serial Digital Serializer
中文描述: 高清晰度電視串行數(shù)字串行
文件頁數(shù): 6/20頁
文件大?。?/td> 414K
代理商: GS1522
GENNUM CORPORATION
522 - 26 - 00
6
G
58
R
SET0
Analog
Input
Control Signal Input
. External resistor is used to set the data
output amplitude for SDO0 and SDO0. Use a ±1% resistor.
63
A0
TTL
TEST
Test Signal
. Used for manufacturing test purposes only. This pin
must be tied low for normal operation.
64
OSC_V
EE
Power
Input
Negative Supply
. Ground for ring oscillator. This pin must be
floating for normal operation.
74
VCO
Analog
Input
Control Signal Input
. Input pin is AC coupled to ground using a
50
transmission line.
75
VCO
Analog
Input
Control Signal Input
. Voltage controlled oscillator input. This pin is
connected to the output pin of the GO1515 VCO. This pin must be
connected to the GO1515 VCO output pin via a 50
transmission
line.
76
PD_V
EE
Power
Input
Negative Supply
. Most negative power supply connection. For
phase detector stage.
77
PDSUB_V
EE
Power
Input
Guard Ring
. Ground guard ring connection to isolate phase
detector in PLL stage.
78
IJI
Analog
Output
Status Signal Output
. Indicates the amount of excessive jitter on
the incoming SDI and SDI input.
79
PD_V
CC
Power
Input
Positive Supply
. Most positive power supply connection. For
phase detector stage.
82, 84
LFS, LFS
Analog
Input
Loop Filter Connections
.
85, 87
PLCAP, PLCAP
Analog
Input
Control Signal Input
. Phase lock detect time constant capacitor.
86
DM
Test Signal
. Used for manufacturing test only. This pin must be
left floating in normal operation.
88
DFT_V
EE
Power
Input
Most Negative Power Supply Connection
. Enables the jitter
demodulator functionality. This pin should be connected to
ground. If left floating, the DM function is disabled resulting in a
current saving of 340μA.
89
LFA_V
EE
Power
Input
Negative Supply
. Most negative power supply connection. For
loop filter stage.
90
LFA
Analog
Output
Control Signal Output
. Control voltage for GO1515 VCO.
91
LBCONT
Analog
Input
Control Signal Input
. Used to provide electronic control of Loop
Bandwidth.
92
LFA_V
CC
Power
Input
Positive Supply
. Most positive power supply connection. For loop
filter stage.
94
V
CC3
Power
Input
Positive Supply
. Most positive power supply connection. For input
stage.
96
SYNC_DETECT_DISABLE
TTL
Input
Control Signal Input
. Used to disable the sync detection function.
Logic HIGH disables sync detection. Logic LOW: 000-003 is
mapped into 000 and 3FC-3FF is mapped into 3FF for 8-bit
operation.
103, 104, 105,
106, 107, 110,
111, 112, 113,
114, 115, 118,
119, 122, 123,
124, 125, 126,
127, 128
DATA_IN[19:0]
TTL
Input
Input Data Bus
. The device receives a 20 bits data stream running
at 74.25 or 74.25/1.001 MHz from the GS1501 HDTV Formatter or
GS1511 HDTV Formatter. Input data can be in SMPTE292M
scrambled or unscrambled format. DATA_IN[19] is the MSB (pin
103). DATA_IN[0] is the LSB (pin 128).
PIN DESCRIPTIONS (Continued)
NUMBER
SYMBOL
LEVEL
TYPE
DESCRIPTION
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