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參數資料
| 型號： | AD9883KST-110 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 消費家電 |
| 英文描述： | 110 MSPS Analog Interface for Flat Panel Displays |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | PLASTIC, LQFP-80 |
| 文件頁數： | 13/24頁 |
| 文件大小： | 177K |
| 代理商： | AD9883KST-110 |
REV. 0
AD9883
–13–
2-Wire Serial Register Map
The AD9883 is initialized and controlled by a set of registers, which determine the operating modes. An external controller is
employed to write and read the Control Registers through the 2-line serial interface port.
Table VI. Control Register Map
Write and
Read or
Read Only
Hex
Address
Default
Value
Register
Name
Bits
Function
00H
RO
7:0
Chip Revision
An 8-bit register that represents the silicon revision level.
Revision 0 = 0000 0000
01H
R/
W
7:0
01101001
PLL Div MSB
This register is for Bits [11:4] of the PLL divider. Larger values mean
the PLL operates at a faster rate. This register should be loaded first
whenever a change is needed. (This will give the PLL more time to
lock.) See Note 1.
02H
R/
W
7:4
1101
****
01
******
PLL Div LSB
Bits [7:4] LSBs of the PLL divider word. See Note 1.
03H
R/
W
7:3
Bit [7:6] VCO Range. Selects VCO frequency range. (See PLL
description.)
Bits [5:3] Charge Pump Current. Varies the current that drives the
low-pass filter. (See PLL description.)
**
001
***
04H
R/
W
7:3
01000
***
Phase Adjust
ADC Clock Phase Adjustment. Larger values mean more delay.
(1 LSB = T/32.)
05H
R/
W
7:0
10000000
Clamp
Placement
Places the Clamp signal an integer number of clock periods after the trail-
ing edge of the HSYNC signal.
06H
R/
W
7:0
10000000
Clamp
Duration
Number of clock periods that the Clamp signal is actively clamping.
07H
R/
W
7:0
00100000
Hsync Output
Pulsewidth
Sets the number of pixel clocks that HSOUT will remain active.
08H
R/
W
7:0
10000000
Red Gain
Controls ADC input range (Contrast) of each respective channel.
Bigger values give less contrast.
09H
R/
W
7:0
10000000
Green Gain
0AH
R/
W
7:0
10000000
1000000
*
Blue Gain
0BH
R/
W
7:1
Red Offset
Controls dc offset (Brightness) of each respective channel. Bigger
values decrease brightness.
0CH
R/
W
7:1
1000000
*
1000000
*
0
*******
Green Offset
0DH
R/
W
7:1
Blue Offset
0EH
R/
W
7:0
Sync Control
Bit 7 – Hsync Polarity Override. (Logic 0 = Polarity determined by
chip, Logic 1 = Polarity set by Bit 6 in register 0Eh.)
Bit 6 – Hsync Input Polarity. Indicates polarity of incoming HSYNC
signal to the PLL. (Logic 0 = Active Low, Logic 1 = Active High.)
Bit 5 – Hsync Output Polarity. (Logic 0 = Logic High Sync, Logic 1 =
Logic Low Sync.)
Bit 4 – Active Hsync Override. If set to Logic 1, the user can select
the Hsync to be used via Bit 3. If set to Logic 0, the active interface
is selected via Bit 6 in register 14H.
Bit 3 – Active Hsync Select. Logic 0 selects Hsync as the active
sync. Logic 1 selects Sync-on-Green as the active sync. Note: The
indicated Hsync will be used only if Bit 4 is set to Logic 1 or if both
syncs are active, (Bits 1, 7 = Logic 1 in register 14H).
Bit 2 – Vsync Output Invert. (Logic 0 = No Invert, Logic 1 = Invert.)
Bit 1 – Active Vsync Override. If set to Logic 1, the user can select
the Vsync to be used via Bit 0. If set to Logic 0, the active interface
is selected via Bit 3 in register 14H.
Bit 0 – Active Vsync Select. Logic 0 selects Raw Vsync as the output
Vsync. Logic 1 selects Sync Separated Vsync as the output Vsync.
Note: The indicated
Vsync will be used only if Bit 1 is set to Logic 1.
*
1
******
**
0
*****
***
0
****
****
0
***
*****
0
**
******
0
*
*******
0
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9884 | 制造商:AD 制造商全稱:Analog Devices 功能描述:100 MSPS/140 MSPS Analog Flat Panel Interface |
| AD9884A | 制造商:AD 制造商全稱:Analog Devices 功能描述:100 MSPS/140 MSPS Analog Flat Panel Interface |
| AD9884A/PCB | 制造商:Analog Devices 功能描述:140 MSPS GRAPHICS DIGITIZER |
| AD9884AKS-100 | 制造商:Analog Devices 功能描述:ADC Triple 100Msps 8-bit Parallel 128-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:100 MSPS GRAPHICS DIGITIZER - Bulk 制造商:Analog Devices 功能描述:IC INTERFACE GRAPHIC |
| AD9884AKS-140 | 制造商:Analog Devices 功能描述:ADC Triple 140Msps 8-bit Parallel 128-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:140 MSPS GRAPHICS DIGITIZER - Bulk 制造商:Analog Devices 功能描述:IC INTERFACE GRAPHIC |
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