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: 51/72页
文件大小: 509K
代理商: IBM37RGB524CF17A
March 17, 1995
49
IBM
RGB524
VRAM Mask Low
Index:
0x0090
Access:
Read/Write
Power on Value: Undened
Bit 7
Mask VRAM PIX inputs 31:28
Bit 6
Mask VRAM PIX inputs 27:24
Bit 5
Mask VRAM PIX inputs 23:20
Bit 4
Mask VRAM PIX inputs 19:16
Bit 3
Mask VRAM PIX inputs 15:12
Bit 2
Mask VRAM PIX inputs 11:08
Bit 1
Mask VRAM PIX inputs 07:04
Bit 0
Mask VRAM PIX inputs 03:00
A value of 1 on any of the bits in this register masks
(forces to 0) the corresponding received VRAM pixel port
inputs. This register has no effect on the inputs unless
enabled with the VMSK CNTL bit of the Miscellaneous
Control 1 register.
VRAM Mask High
Index:
0x0091
Access:
Read/Write
Power on Value: Undened
Bit 7
Mask VRAM PIX inputs 63:60
Bit 6
Mask VRAM PIX inputs 59:56
Bit 5
Mask VRAM PIX inputs 55:52
Bit 4
Mask VRAM PIX inputs 51:48
Bit 3
Mask VRAM PIX inputs 47:44
Bit 2
Mask VRAM PIX inputs 43:40
Bit 1
Mask VRAM PIX inputs 39:36
Bit 0
Mask VRAM PIX inputs 35:32
A value of 1 on any of the bits in this register masks
(forces to 0) the corresponding received VRAM pixel port
inputs. This register has no effect on the inputs unless
enabled with the VMSK CNTL bit of the Miscellaneous
Control 1 register.
Note: The mask function is intended to be used with the
page 23 for more details.
0
1
2
3
4
5
6
7
MASK
31:28
23:20 19:16
11:08 07:04 03:00
MASKMASK
MASK
27:24
15:12
0
1
2
3
4
5
6
7
MASK
63:60
55:52 51:48
43:40 39:36 35:32
MASKMASK
MASK
59:56
47:44
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