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参数资料
型号： IBM37RGB524CF17A
元件分类： 显示控制器
英文描述： 1600 X 1280 PIXELS PALETTE-DAC DSPL CTLR, PQFP144
封装： QFP-144
文件页数： 23/72页
文件大小： 509K
代理商： IBM37RGB524CF17A
March 17, 1995
i
IBM
RGB524
Table of Contents
1.0
Microprocessor Access ............................. 1
1.1
VGA Access ............................................... 1
1.1.1 Palette .............................................. 1
1.1.2 Palette Write .................................... 1
1.1.3 Palette Read .................................... 2
1.1.4 6/8 Bit Palette Access ...................... 2
1.1.5 Palette Clocking ............................... 2
1.1.6 Palette Access Status ...................... 2
1.1.7 Pixel Mask ........................................ 3
1.2
Indexed Access .......................................... 3
1.2.1 Cursor Array ..................................... 3
2.0
Clocking ....................................................... 3
2.1
Clock Generators ....................................... 3
2.2
PLL Input .................................................... 3
2.2.1 REFCLK ........................................... 3
2.3
SYSCLK PLL Output .................................. 3
2.4
Pixel PLL Outputs ...................................... 4
2.5
SCLK .......................................................... 4
2.5.1 DDOTCLK ........................................ 4
2.6
Additional Clocks ........................................ 5
2.6.1 Load Clock ....................................... 5
2.6.2 Pixel Clock (Dot Clock) .................... 5
2.7
PLL Setup and Reset ................................. 5
2.7.1 Pixel PLL .......................................... 5
2.7.2 SYSCLK PLL ................................... 5
2.8
PLL Programming ...................................... 6
2.9
PLL Frequency Selection ........................... 7
2.10
Direct Programming ................................... 8
2.11
M/N Programming ...................................... 9
2.12
General PLL Programming ........................ 9
2.13
PLL Interaction ........................................... 9
2.14
Glitching on Frequency Change ................. 9
2.15
Diagnostic Readback ................................. 9
3.0
Modes of Operation .................................. 10
3.1
Bit Ordering .............................................. 10
3.2
VGA Port .................................................. 10
3.3
VRAM Pixel Port ...................................... 10
3.3.1 4 BPP ............................................. 10
3.3.2 8 BPP ............................................. 11
3.3.3 16 BPP ........................................... 11
3.3.4 24 BPP ........................................... 12
3.3.5 32 BPP ........................................... 13
3.4
6 Bit Linear Palette Output ....................... 13
3.5
Pixel Format Table ................................... 14
4.0
Controls .................................................... 16
4.1
Blank and Border Control ......................... 16
4.2
Blanking Control ....................................... 16
4.3
Vertical Blanking ....................................... 16
4.4
Border Control .......................................... 16
4.5
Sync Control ............................................. 16
4.6
Clocking and Pipeline Delay ..................... 17
4.6.1 Horizontal Sync .............................. 17
4.6.2 Vertical Sync .................................. 17
4.6.3 Composite Sync ............................. 17
4.6.4 Horizontal Position Control ............. 17
4.7
Additional Sync Control ............................ 17
4.8
24 Bit Packed Pixel Control ...................... 18
5.0
Cursor Operation ..................................... 18
5.1
Cursor Enable .......................................... 18
5.2
Cursor Array ............................................. 18
5.2.1 Cursor Array Access ...................... 18
5.2.2 Cursor Array Writes ........................ 19
5.2.3 Cursor Array Reads ........................ 19
5.3
Cursor Modes ........................................... 19
5.4
Cursor Hot Spot ........................................ 19
5.5
Cursor Position ......................................... 20
5.6
Interlace .................................................... 20
5.7
Cursor Update and Display ...................... 20
5.7.1 Position ........................................... 20
5.7.2 Controls .......................................... 20
5.7.3 Other .............................................. 21
6.0
DAC Control .............................................. 21
6.1
SOG - Composite Sync-On-Green ........... 21
6.2
BRB - Blank Red and Blue DACs ............. 21
6.3
DSR - DAC Slew Rate .............................. 21
6.4
DPE - DAC Blanking Pedestal Enable ..... 21
7.0
Power Management ................................. 22
7.1
DAC Power ............................................... 22
7.2
Driver Power ............................................. 22
7.3
Clocking Power ........................................ 22
7.4
PLL Power ................................................ 23
8.0
Diagnostic Support .................................. 23
8.1
Data Masks .............................................. 23
8.2
MISR ........................................................ 23
8.3
DAC Comparators .................................... 23
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