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: 35/72页
文件大小: 509K
代理商: IBM37RGB524CF17A
34
March 17, 1995
RGB524
IBM
System Clock Control
Index:
0x0008
Access:
Read/Write
Power on Value: 0x01
Bit 7
RSVD - Reserved
Bit 6
SYSC DSAB - SYSCLK driver dis-
able
0
SYSCLK driver enabled
1
SYSCLK driver disabled (3-
stated)
Bits 5 - 2
Reserved
Bit 1
SYSC SRC - SYSCLK output source
0
SYSCLK PLL output
1
REFCLK input
Bit 0
SPLL ENAB - System PLL enable
0
SYSCLK PLL programming
disabled
1
SYSCLK PLL programming
enabled
10.2.2
Pixel Representation
Pixel Format
Index:
0x000a
Access:
Read/Write
Power on Value: Undened
Bits 7 - 3
Reserved
Bits 2 - 0
Pixel Format
000 Reserved
001 Reserved
010 4 BPP
011 8 BPP
100 15/16 BPP
101 24 BPP Packed
110 32 BPP
111 Reserved
This register has no effect when the VGA port is
selected.
The 24 BPP Packed format requires the VRAM SIZE
(Miscellaneous Control 1 register bit 0) to be set for 64
bits. If VRAM SIZE is set to 32 bits, the product opera-
tion will be undened if the 24 BPP Packed format is
selected.
0
1
2
3
4
5
6
7
SPLL
Reserved
ENAB
SYSC
DSAB
SYSC
SRC
RSVD
0
1
2
3
4
5
6
7
Format
Reserved
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