NL6448BC33-46D NEC, NL6448BC33-46D Datasheet - Page 12

• Manufacturer Part Number: NL6448BC33-46D
• Description: TFT COLOR LCD MODULE
• Manufacturer: NEC

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4.4 POWER SUPPLY VOLTAGE SEQUENCE
4.4.1 Sequence for LCD panel signal processing board
4.4.2 Sequence for backlight inverter (Option)
function signals
Note1: In terms of voltage variation (voltage drop) while VCC rising edge is below 3.0V in
Note2: Display (CLK, Hsync, Vsync, DE, R0 to R5, G0 to G5, B0 to B5) and function (DPSR)
Note1: These are display and function signals for LCD panel signal processing board.
Note2: The backlight inverter voltage (VDDB) should be inputted within the valid period of
Display and
VCC
Note1
Note2
function signals
signals must be Low or High-impedance, exclude the VALID period (See above sequence
diagram), in order to avoid that internal circuits is damaged.
working, even if the signal input to it once again, it might not work normally. If customer
stops the display and function signals, they should be cut VCC.
Display and
display and function signals, in order to avoid unstable data display.
"VCC = 3.3V" or 4.7V in "VCC = 5.0V", a protection circuit may work, and then this
product may not work.
If some of display and function signals of this product are cut while this product is
3.0V or 4.7V
VDDB
Note1
0V
0ms < t < 35ms
DATA SHEET EN0546EJ5V0DS00
ON
Tr < 30ms
VALID period
Note2
VALID period
OFF
0ms < t < 35ms
NL6448BC33-46D
Toff > 50ms
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