參數(shù)資料
型號: SSD1905QT2
廠商: Electronic Theatre Controls, Inc.
英文描述: LCD Graphics Controller CMOS
中文描述: LCD圖形控制器的CMOS
文件頁數(shù): 54/153頁
文件大?。?/td> 863K
代理商: SSD1905QT2
SSD1905
Rev 1.3
10/2002
SOLOMON
45
Bit 2
GPIO2 Pin IO Status
When a HR-TFT panel is not selected (REG[10h] bits 1:0=00/01/11) and GPIO2 is
configured as an output, writing a 1 to this bit drives GPIO2 high and writing a 0 to this
bit drives GPIO2 low.
When a HR-TFT panel is not selected (REG[10h] bits 1:0=00/01/11) and GPIO2 is
configured as an input, a read from this bit returns the status of GPIO2.
When a HR-TFT panel is enabled (REG[10h] bits 1:0 = 10), the HR-TFT signal REV
signal is enabled whatever the value of this bit.
Bit 1
GPIO1 Pin IO Status
When a HR-TFT panel is not selected (REG[10h] bits 1:0=00/01/11) and GPIO1 is
configured as an output, writing a 1 to this bit drives GPIO1 high and writing a 0 to this
bit drives GPIO1 low.
When a HR-TFT panel is not selected (REG[10h] bits 1:0=00/01/11) and GPIO1 is
configured as an input, a read from this bit returns the status of GPIO1.
When a HR-TFT panel is enabled (REG[10h] bits 1:0 = 10), the HR-TFT signal CLS
signal is enabled whatever the value of this bit.
Bit 0
GPIO0 Pin IO Status
When a HR-TFT panel is not selected (REG[10h] bits 1:0=00/01/11) and GPIO0 is
configured as an output, writing a 1 to this bit drives GPIO0 high and writing a 0 to this
bit drives GPIO0 low.
When a HR-TFT is not selected (REG[10h] bits 1:0=00/01/11) and GPIO0 is
configured as an input, a read from this bit returns the status of GPIO0.
When a HR-TFT panel is enabled (REG[10h] bits 1:0 = 10), the HR-TFT signal PS
signal is enabled whatever the value of this bit.
General Purpose IO Pins Status/Control Register 1
7
6
REG[ADh]
0
Bit
5
4
3
2
1
GPO
Control
RW
0
0
0
0
0
0
0
0
Type
Reset
state
NA
0
NA
0
NA
0
NA
0
NA
0
NA
0
NA
0
Bit 7
GPO Control
This bit controls the General Purpose Output pin.
Writing a 0 to this bit drives GPO to low.
Writing a 1 to this bit drives GPO to high.
Note
Many implementations use the GPO pin to control the LCD bias power (see Section
10.3,”LCD Power Sequencing”).
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