參數(shù)資料
型號(hào)： AD9981
廠商： Analog Devices, Inc.
英文描述： High Performance 10-Bit Display Interface
中文描述： 高性能10位顯示接口
文件頁(yè)數(shù)： 37/44頁(yè)
文件大?。?/td> 506K
代理商： AD9981
AD9981
0x21
Rev. 0 | Page 37 of 44
7:0
Must be set to default
0x22
7:0
Must be set to default
0x23
7:0
Sync Filter Window Width
This 8-bit register sets the window of time for the regenerated
Hsync leading edge (in 25 ns steps) and that sync pulses are
allowed to pass through. Therefore with the default value of 10,
the window width is ±250 ns. The goal is to set the window
width so that extraneous pulses are rejected. (see the Sync
Processing section). As in the sync separator threshold, the
25 ns multiplier value is somewhat variable. The maximum
variability over all operating conditions is ±20% (20 ns
to 30 ns).
DETECTION STATUS
0x24
7
Hsync0 Detection Bit
This bit is used to indicate when activity is detected on
the HSYNC0 input pin. If Hsync is held high or low,
activity is not detected. The sync processing block
diagram shows where this function is implemented.
0 = Hsync0 not active. 1 = Hsync0 is active.
Table 54. Hsync0 Detection Results
Detect
Result
0
No activity detected
1
Activity detected
0x24
6
Hsync1 Detection Bit
This bit is used to indicate when activity is detected on
the HSYNC1 input pin. If HSYNC is held high or low,
activity is not detected. The sync processing block
diagram shows where this function is implemented.
0 = HSYNC1 not active. 1 = HSYNC1 is active.
Table 55. Hsync1 Detection Results
Detect
Result
0
No activity detected
1
Activity detected
0x24
5
Vsync0 Detection Bit
This bit is used to indicate when activity is detected on
the VSYNC0 input pin. If Vsync is held high or low,
activity is not detected. The sync processing block
diagram shows where this function is implemented.
0 = Vsync0 not active. 1 = Vsync0 is active.
Table 56. Vsync0 Detection Results
Detect
Result
0
No activity detected
1
Activity detected
0x24
4
VSYNC1 Detection Bit
This bit is used to indicate when activity is detected on
the VSYNC1 input pin. If Vsync is held high or low,
activity is not detected. The sync processing block
diagram shows where this function is implemented.
0 = Vsync1 not active. 1 = Vsync1 is active.
Table 57. Vsync1 Detection Results
Detect
Result
0
No activity detected
1
Activity detected
0x24
3
SOG0 Detection Bit
This bit is used to indicate when activity is detected on
the SOG0 input pin. If SOG is held high or low,
activity is not detected. The sync processing block
diagram shows where this function is implemented.
0 = SOG0 not active. 1 = SOG0 is active.
Table 58. SOG0 Detection Results
Detect
Result
0
No activity detected
1
Activity detected
0x24
2
SOG1 Detection Bit
This bit is used to indicate when activity is detected on
the SOG1 input pin. If SOG is held high or low,
activity is not detected. The sync processing block
diagram shows where this function is implemented.
0 = SOG1 not active. 1 = SOG1 is active.
Table 59. SOG1 Detection Results
Detect
Result
0
No activity detected
1
Activity detected
0x24
1
COAST Detection Bit
This bit detects activity on the EXTCLK/EXTCOAST
pin. It indicates that one of the two signals is active,
but it doesn’t indicate which one. A dc signal is
not detected.
Table 60. Coast Detection Result
Detect
Result
0
No activity detected
Activity detected
0x24
0
Clamp Detection Bit
This bit is used to indicate when activity is detected on
the external CLAMP pin. If external clamp is held
high or low, activity is not detected.
Table 61. Clamp Detection Results
Detect
Result
0
No activity detected
1
Activity detected
相關(guān)PDF資料
PDF描述
AD9981KSTZ-80 High Performance 10-Bit Display Interface
AD9981KSTZ-95 High Performance 10-Bit Display Interface
AD9983AKSTZ-140 High Performance 8-Bit Display Interface
AD9983AKSTZ-1401 High Performance 8-Bit Display Interface
AD9983AKSTZ-170 High Performance 8-Bit Display Interface
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9981/PCB 制造商:AD 制造商全稱:Analog Devices 功能描述:High Performance 10-Bit Display Interface
AD9981/PCBZ 制造商:Analog Devices 功能描述:Evaluation Board For The High Performance 10-Bit Display Interface 制造商:Analog Devices 功能描述:EVAL BD FOR THE HI-PERF 10-BIT DISPLAY INTRFC - Bulk
AD9981KST-80 制造商:Analog Devices 功能描述:HIGH PERFORMANCE 10-BIT DISPLAY INTERFACE - Bulk
AD9981KSTZ-80 功能描述:IC INTERFACE 10BIT ANALOG 80LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 特色產(chǎn)品:NXP - I2C Interface 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:2 通道 I²C 多路復(fù)用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產(chǎn)品目錄頁(yè)面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1
AD9981KSTZ-95 功能描述:IC INTERFACE 10BIT ANALOG 80LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 特色產(chǎn)品:NXP - I2C Interface 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:2 通道 I²C 多路復(fù)用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產(chǎn)品目錄頁(yè)面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1
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