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| 型號(hào)： | 30144-23 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Geode⑩ GXLV Processor Series Low Power Integrated x86 Solutions |
| 中文描述： | 32-BIT, 200 MHz, MICROPROCESSOR, PBGA352 |
| 封裝： | BGA-352 |
| 文件頁(yè)數(shù)： | 146/247頁(yè) |
| 文件大小： | 4365K |
| 代理商： | 30144-23 |
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146
Revision 1.1
Integrated Functions (
Continued
)
G
15
PXDB
Pixel Double:
Allow pixel doubling to stretch the displayed image in the horizontal dimension:
0 = Disable; 1 = Enable.
If bit 15 is enabled, timing parameters should be programmed as if no pixel doubling is used, however, the
frame buffer should be loaded with half the normal pixels per line. Also, the FB_LINE_SIZE parameter in
DC_BUF_SIZE should be set for the number of bytes to be transferred for the line rather than the number
displayed.
Interlace Scan:
Allow interlaced scan mode:
0 = Disable (Non-interlaced scanning is supported.)
1 = Enable (If a flat panel is attached, it should be powered down before setting this bit.)
VGA Planar Mode:
This bit must be set high for all VGA planar display modes.
Flat Panel Center:
Allows the border and active portions of a scan line to be qualified as
“
active
”
to a flat
panel display via the ENADISP signal. This allows the use of a large border region for centering the flat
panel display. 0 = Disable; 1 = Enable.
When disabled, only the normal active portion of the scan line will be qualified as active.
Flat Panel Vertical Sync Polarity:
0 = Causes TFT vertical sync signal to be normally low, generating a high pulse during sync interval.
1 = Causes TFT vertical sync signal to be normally high, generating a low pulse during sync interval.
Flat Panel Horizontal Sync Polarity:
0 = Causes TFT horizontal sync signal to be normally low, generating a high pulse during sync interval.
1 = Causes TFT horizontal sync signal to be normally high, generating a low pulse during sync interval.
CRT Vertical Sync Polarity:
0 = Causes CRT_VSYNC signal to be normally low, generating a high pulse during the retrace interval.
1 = Cause CRT_VSYNC signal to be normally high, generating a low pulse during the retrace interval.
CRT Horizontal Sync Polarity:
0 = Causes CRT_HSYNC signal to be normally low, generating a high pulse during the retrace interval.
1 = Causes CRT_HSYNC signal to be normally high, generating a low pulse during the retrace interval.
Blink Enable:
Blink circuitry: 0 = Disable; 1 = Enable.
If enabled, the hardware cursor will blink as well as any pixels. This is provided to maintain compatibility
with VGA text modes. The blink rate is determined by the bit 16 (BKRT).
Vertical Interrupt Enable:
Generate a vertical interrupt on the occurrence of the next vertical sync pulse:
0 = Disable, vertical interrupt is cleared;
1 = Enable.
This bit is provided to maintain backward compatibility with the VGA.
Timing Generator Enable:
Allow timing generator to generate the timing control signals for the display.
0 = Disable, the Timing Registers may be reprogrammed, and all circuitry operating on the DCLK will be
reset.
1 = Enable, no write operations are permitted to the Timing Registers.
DDC Clock:
This bit is used to provide the serial clock for reading the DDC data pin. This bit is multiplexed
onto the CRT_VSYNC pin, but in order for it to have an effect, the VSYE bit[2] must be set low to disable
the normal vertical sync. Software should then pulse this bit high and low to clock data into the GXLV pro-
cessor.
This feature is provided to allow support for the VESA Display Data Channel standard level DDC1.
Blank Enable:
Allow generation of the composite blank signal to the display device:
0 = Disable; 1 = Enable.
When disabled, the ENA_DISP output will be a static low level. This allows VESA DPMS compliance.
Horizontal Sync Enable:
Allow generation of the horizontal sync signal to a CRT display device:
0 = Disable; 1 = Enable.
When disabled, the HSYNC output will be a static low level. This allows VESA DPMS compliance.
Note that this bit only applies to the CRT; the flat panel HSYNC is controlled by the automatic power
sequencing logic.
14
INTL
13
12
PLNR
FCEN
11
FVSP
10
FHSP
9
CVSP
8
CHSP
7
BLNK
6
VIEN
5
TGEN
4
DDCK
3
BLKE
2
HSYE
Table 4-29. Display Controller Configuration and Status Registers (Continued)
Bit
Name
Description
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 301CNQ | SCHOTTKY RECTIFIER |
| 301CNQ035 | SCHOTTKY RECTIFIER |
| 301CNQ040 | SCHOTTKY RECTIFIER |
| 301CNQ045 | SCHOTTKY RECTIFIER |
| 301CNQ050 | Low-Power, Single-/Dual-Level Battery Monitors with Hysteresis and Integrated µP Reset |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 301443 | 制造商:Honeywell Sensing and Control 功能描述: |
| 3014440000 | 制造商:Weidmuller 功能描述:STB1-4, NUTSERT, LID, ST -EA - Bulk |
| 3014-441-NL | 制造商:RDI Electronics 功能描述:TELEPHONE JACK 4 POSITION 4 CO |
| 3014-48-0 | 功能描述:測(cè)試引線 STACKING BANANA P RoHS:否 制造商:Pomona Electronics 設(shè)備類型:Patch Cords 連接器類型:Banana plug (stackable) on both ends 長(zhǎng)度:60 in 顏色:Black |
| 3014-48-2 | 功能描述:測(cè)試引線 STACKING BANANA P RoHS:否 制造商:Pomona Electronics 設(shè)備類型:Patch Cords 連接器類型:Banana plug (stackable) on both ends 長(zhǎng)度:60 in 顏色:Black |
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