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參數(shù)資料
| 型號： | HD66787 |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | 528-channel, One-chip Driver with 262,144-color Display RAM and Power Supply Circuit for Low-temperature Poli-Si TFT (LTPS-TFT) Panels with Incorporat |
| 中文描述： | 528與262,144色顯示RAM和低電源電路通道，單芯片驅(qū)動器的溫度和旋鈴聲非晶硅TFT（薄膜晶體管）與Incorporat小組 |
| 文件頁數(shù)： | 34/159頁 |
| 文件大?。?/td> | 1607K |
| 代理商： | HD66787 |
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HD66787
Preliminary
Rev.0.22, May.23.2003, page 34 of 159
B/C:
When B/C =0, a field AC waveform is generated. Alternation occurs every frame when driving liquid
crystal. When B/C=1, alternation occurs every n raster-row. For details, see the “n-raster-row Inversion
AC Drive” section.
Entry Mode (R03h)
Compare Register 1 (R04h)
Compare Register 2 (R05h)
The HD66787 modifies write data sent from the microcomputer before writing to GRAM. This enables
high-speed GRAM data update, and reduces the load on the microcomputer software. For details, see the
“Graphics Operation Function” section.
TRI:
RAM write data are transmitted in 3 times through 8-bit interface when TRI = 1. When 8-bit
interface mode is not selected, set TRI to 0.
DFM1-0:
Specify the data format for RAM write data transmission when TRI = 1 (8-bit interface mode
only).
DFM1-0 = “10” : 262k mode (6bit x 3 transmissions)
DFM1-0 = “11” : 65k mode (5,6,5 bits transmissions)
HWM:
When HWM=1, data are written to GRAM in high speed. In high-speed write mode, 4 words are
written to GRAM in a single operation after executing 4 RAM write operations. If RAM write is
terminated before it is executed 4 times, the last data will not be written. Make sure that RAM write is
executed 4 times. For this reason, the lower 2 bits must be set to “0” when setting the RAM address. For
details, see “High-Speed RAM Write Mode” section.
I/D1-0:
The address counter is automatically incremented by 1, after data are written to GRAM when I/D1-
0 = “1”. The address counter is automatically decremented by 1, after data are written to GRAM when
I/D1-0 = “0”. An independent setting for the increment or decrement of the address counter can be made to
the upper (AD15-8) and the lower (AD7-0) bits of the address. The address transition direction when data
are written to GRAM is set with AM bits.
AM:
Set the direction of updating address counter automatically after data are written to GRAM. When
AM = “0”, the address counter is updated in the horizontal direction. When AM = “1”, the address counter
is updated in the vertical direction. When the window address is specified, data are written to the GRAM
area specified by the window address in the manner specified with I/D1-0, AM bits.
R/W RS
IB15 IB14 IB13 IB12 IB11 IB10 IB9
IB8
IB7
IB6
IB5
IB4
IB3
IB2
IB1
IB0
W
1
W
1
0
0
0
0
W
1
0
0
0
0
0
0
0
0
0
0
CP17
TRI
DFM1 DFM0
0
0
0
0
0
CP16 CP15 CP14 CP13 CP12
CP11
CP9
CP10
CP8
CP7
CP6
CP5
CP4
CP3
CP2
CP1
CP0
LG2 LG1 LG0
BGR
HWM
I/D1 I/D0
AM
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD66840 | Peripheral IC |
| HD66840F25 | LCD Controller |
| HD66840F30 | LCD Controller |
| HD66841FP | LCD Controller |
| HD66841FS | LCD Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD66789 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:528-channel, One-chip Driver for Amorphous TFT Panels with 262,144-color display RAM, Power Supply Circuit, and Gate Circuit |
| HD667A66R | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:132 x 176-dot Graphics LCD Controller/Driver for 65K Colors |
| HD667B66R | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:132 x 176-dot Graphics LCD Controller/Driver for 65K Colors |
| HD66840 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
| HD66840F25 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LCD Controller |
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