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參數資料
型號: ADV7152LS110
廠商: ANALOG DEVICES INC
元件分類: 顯示控制器
英文描述: CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC
中文描述: PALETTE-DAC DSPL CTLR, PQFP100
封裝: PLASTIC, QFP-100
文件頁數: 28/32頁
文件大小: 454K
代理商: ADV7152LS110
ADV7152
–28–
REV. B
APPE NDIX 5
INIT IALIZAT ION AND PROGRAMMING
ADV7152 Initialization
After power has been supplied, the ADV7152 must be initial-
ized. T he Mode Register and Control Registers must be set.
T he values written to the various registers will be determined by
the desired operating mode of the part, i.e., T rue Color/Pseudo
Color, 2:1 Muxing/2:1 Muxing, etc.
T he following section gives examples of initialization of the
ADV7152 operating in various modes.
E xample 1
Color Mode
Multiplexing
Databus
RAM-DAC Resolution
SYNC
Pedestal
Register Initialization
Write
09H to Mode Register (MR1)
Write
08H to Mode Register (MR1)
Write
09H to Mode Register (MR1)
Write
29H to Mode Register (MR1)
Write
09H to Mode Register (MR1)
Write
04H to Address Register (A7–A0)
Write
FFH to Pixel Mask Register
Write
05H to Address Register (A7–A0)
Write
00H to Command Reg 1 (CR1)
Write
06H to Address Register (A7–A0)
Write
ECH to Command Reg 2 (CR2)
Write
07H to Address Register (A7–A0)
Write
40H to Command Reg 3 (CR3)
24-Bit True Color
2:1
8-Bit
8-Bit
Enabled on IOG
7.5 IRE
C1
1
1
1
1
1
0
1
0
1
0
1
0
1
C0
1
1
1
1
1
0
0
0
0
0
0
0
0
R/
W
0
0
0
0
0
0
0
0
0
0
0
0
0
Comment
Resets to Normal Operation, 8-Bit Bus/RAM-DAC
*(Initializes Pipelining
*( “
*(Calibrates LOADOUT /LOADIN T iming
*( “
Address Reg Points to Pixel Mask Register
Sets the Pixel Mask to All “1s”
Address Reg Points to Command Register 1 (CR1)
Address Reg Points to Command Register 2 (CR2)
Sets 24-Bit Color, 7.5 IRE,
SYNC
on Green (IOG)
Address Reg Points to Command Register 3 (CR3)
Sets 2:1 Multiplexing, PRGCK OUT = CLOCK /4
Color Palette RAM Initialization
Write
00H to Address Register (A7–A0)
Write
00H (Red Data) to RAM Location (00H)
Write
00H (Green Data) to RAM Location (00H)
Write
00H (Blue Data) to RAM Location (00H)
Write
01H (Red Data) to RAM Location (01H)
Write
01H (Green Data) to RAM Location (01H)
Write
01H (Blue Data) to RAM Location (01H)
Write
FFH (Red Data) to RAM Location (FFH)
Write
FFH (Green Data) to RAM Location (FFH)
Write
FFH (Blue Data) to RAM Location (FFH)
C1
0
0
0
0
0
0
0
0
0
0
C0
0
1
1
1
1
1
1
1
1
1
R/
W
0
0
0
0
0
0
0
0
0
0
C omment
Points to Color Palette RAM
(Initializes Palette RAM
(
to a Linear Ramp**
(
(
(
(
(
(
(
(
(RAM Initialization Complete
*
*T hese four command lines reset the ADV7152. T he pipelines for each of the Red, Creen and Blue pixel inputs are synchronously reset to the Multiplexer’s
“A” input. Mode Register bit MR10 is written by a “1” followed by “0” followed by “1.” LOADIN/LOADOUT timing is internally synchronized by writing a “0”
followed by a “1” followed by a “0” to Mode Register MR15.
**T his sequence of instructions would, of course, normally be coded using some form of loop instruction.
相關PDF資料
PDF描述
ADV7152LS135 CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC
ADV7152LS170 CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC
ADV7152LS220 CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC
ADV7160 96-Bit, 220 MHz True-Color Video RAM-DAC(96位,220MHz,真彩色視頻RAM-D/A轉換器)
ADV7162 96-Bit, 220 MHz True-Color Video RAM-DAC(96位,220MHz,真彩色視頻RAM-D/A轉換器)
相關代理商/技術參數
參數描述
ADV7152LS135 制造商:Rochester Electronics LLC 功能描述:- Bulk
ADV7152LS170 制造商:AD 制造商全稱:Analog Devices 功能描述:CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC
ADV7152LS220 制造商:Analog Devices 功能描述: 制造商:Analog Devices 功能描述:PALETTE-DAC DSPL CTLR, PQFP100
ADV7152LS85 制造商:AD 制造商全稱:Analog Devices 功能描述:CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC
ADV7160 制造商:AD 制造商全稱:Analog Devices 功能描述:96-Bit, 220 MHz True-Color Video RAM-DAC
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