參數(shù)資料
型號: 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
文件頁數(shù): 57/70頁
文件大?。?/td> 696K
代理商: GS9090
GS9090 Data Sheet
28201 - 1
July 2005
57 of 70
The registers that determine the signals present on the STAT [3:0] pins are labelled
STAT0_CONFIG[2:0], STAT1_CONFIG[2:0], STAT2_CONFIG[2:0], and
STAT3_CONFIG[2:0] respectively.
Table 3-18
shows the setting of the
IO_CONFIG registers for each of the available output signals.
The default setting for each IO_CONFIG register depends on the configuration of
the device and the internal FIFO mode selected. This is shown in
Table 3-19
.
NOTE: Signals not relevant to the particular mode of operation will be ignored and
be high-impedance when programmed to be displayed on the STAT[3:0] pins. For
example, the FIFO_FULL and FIFO_EMPTY flags can only be displayed on the
STAT[3:0] pins when the device is in DVB-ASI mode. If the FIFO_FULL or
FIFO_EMPTY value (110 and 111 respectively) is programmed into the
IO_CONFIG registers when the device is in SMPTE mode, the value will be
ignored and the I/O pin will be set to a high impedance state.
Table 3-18: IO_CONFIG Settings
Function
I/O
IO_CONFIG Setting
H
Output
000b
V
Output
001b
F
Output
010b
FIFO_LD
Output
011b
ANC_DETECT
Output
100b
EDH_DETECT
Output
101b
FIFO_FULL
Output
110b
FIFO_EMPTY
Output
111b
Table 3-19: STAT [3:0] Output Default Configuration
Device Configuration
IO_CONFIG
Register
I/O
Function
Default IO_CONFIG
Setting
SMPTE Functionality
SMPTE_BYPASS = HIGH
DVB_ASI = LOW
FIFO: Video Mode or Ancillary Data
Extraction Mode
STAT0_CONFIG
Output
H
000b
STAT1_CONFIG
Output
V
001b
STAT2_CONFIG
Output
F
010b
STAT3_CONFIG
Output
FIFO_LD
011b
DVB-ASI
DVB_ASI = HIGH
FIFO: DVB-ASI Mode
STAT0_CONFIG
Output
FIFO_FULL
110b
STAT1_CONFIG
Output
FIFO_EMPTY
111b
STAT2_CONFIG
Output
High Z
000b
STAT3_CONFIG
Output
High Z
000b
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