參數(shù)資料
型號: MN89306
廠商: PANASONIC CORP
元件分類: 顯示控制器
英文描述: 800 X 600 PIXELS CRT OR FLAT PNL GRPH DSPL CTLR, PQFP128
封裝: 18 X 18 MM, PLASTIC, LQFP-128
文件頁數(shù): 7/47頁
文件大?。?/td> 487K
代理商: MN89306
LSIs for Display
MN89306
15
s Pin Descriptions (continued)
5) LCD Related Pins
Pin Name
I/O
Level
Function
BACKON
I/O
CMOS
Back light on
Outputs a signal that requests that the backlight be turned on. This pins can also
be used as the LOGICON signal output pin by setting a control register.
Low: Backlight off
High: Backlight on
This pin can also be used as a general-purpose I/O port.
In external RAMDAC mode, this pin is set to the output state and is used as the
register write signal to the RAMDAC.
LCDON
I/O
CMOS
LCD drive power supply on
Outputs a signal that requests that the LCD panel drive power supply be turned
on.
Low: LCD drive power supply off
High: LCD drive power supply on
This pin can also be used as a general-purpose I/O port.
In external RAMDAC mode, this pin is set to the output state and is used as the
register address bit 0 signal to the RAMDAC.
LOGICON
I/O
CMOS
LCD logic system power on
(MCLKEN)
Outputs a signal that requests that the LCD panel logic system power supply be
turned on. If SDRAM is used with LCD display, this pin is used as the SDRAM
MCKLEN pin. If the LOGICON function is required, the LOGICON signal can
be output from the BACKON pin by setting register values.
Low: LCD logic system power supply off
High: LCD logic system power supply on
This pin can also be used as a general-purpose I/O port, except if SDRAM is
used.
In external RAMDAC mode, this pin is set to the output state and is used as the
register address bit 1 signal to the RAMDAC.
LP
O
Latch pulse
Pulse output that indicates the latch timing for one line of data for an STN LCD
panel. This output is used as the horizontal synchronizing signal when a TFT
LCD panel is used or in external RAMDAC mode.
FP
O
Frame pulse
Pulse output that indicates the frame start for an STN LCD panel. This output is
used as the vertical synchronizing signal when a TFT LCD panel is used or in
external RAMDAC mode.
DISP
O
Display enable
Display enable signal output to the LCD. This output is used as the blanking
signal in external RAMDAC mode and as the display enable signal when a TFT
LCD panel is used.
SCK
O
Data shift clock/Dot clock
This output is used as the dot clock output for a TFT LCD panel or in external
RAMDAC mode. It is also used as the data shift clock output to an STN LCD
panel.
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