參數(shù)資料
型號(hào): GS9090
廠商: Gennum Corporation
英文描述: GS9090 GenLINX-R III 270Mb/s Deserializer for SDI and DVB-ASI
中文描述: GS9090 GenLINX - R的第三270Mb / s的SDI和DVB解串器,意大利航天局
文件頁(yè)數(shù): 6/70頁(yè)
文件大?。?/td> 696K
代理商: GS9090
GS9090 Data Sheet
28201 - 1
July 2005
6 of 70
1.2 Pin Descriptions
Table 1-1: Pin Descriptions
Pin
Number
Name
Timing
Type
Description
1
LF-
Analog
Input
Loop filter component connection. Connect to pin 56 (LF+) as shown in
the
Typical Application Circuit (Part B) on page 67
.
2
PLL_GND
Analog
Input
Power
Ground connection for phase-locked loop. Connect to GND.
3
PLL_VDD
Analog
Input
Power
Power supply connection for phase-locked loop. Connect to +1.8V DC.
4
BUFF_VDD
Analog
Input
Power
Power supply connection for digital input buffers.
When operating with 1.8V input as required by the current silicon this
pin should be left unconnected.
When operating with 3.3V input (available in future silicon) this pin
should be connected to +3.3V as shown in the
Typical Application
Circuit (Part B) on page 67
.
5, 6
DDI, DDI
Analog
Input
Serial digital differential input pair.
7
BUFF_GND
Analog
Input
Power
Ground connection for serial digital input buffer. Connect to GND.
8
TERM
Analog
Input
Termination for serial digital input. AC couple to BUFF_GND
9, 11
NC
No connect.
10
VBG
Analog
Input
Bandgap filter capacitor. Connect to GND as shown in the
Typical
Application Circuit (Part B) on page 67
.
12
IOPROC_EN
Non
Synchronous
Input
CONTROL SIGNAL INPUT
Signal Levels are LVCMOS / LVTTL compatible.
Used to enable or disable the I/O processing features.
When set HIGH, the following I/O processing features of the device are
enabled:
Illegal Code Remapping
EDH CRC Error Correction
Ancillary Data Checksum Error Correction
TRS Error Correction
EDH Flag Detection
To enable a subset of these features, keep the IOPROC_EN pin HIGH
and disable the individual feature(s) in the IOPROC_DISABLE register
accessible via the host interface.
When set LOW, the device will enter low-latency mode.
NOTE: When the internal FIFO is configured for Video mode or
Ancillary Data Extraction mode, the IOPROC_EN pin must be set
HIGH (see
Internal FIFO Operation on page 46
).
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