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4.4 POWER SUPPLY VOLTAGE SEQUENCE
4.4.1 LCD pan
VCC
Note1
Display signals*,
Function signals
Note1: If there is a voltage vari
No
te2: Display signals (D0+/-, D1+/-, D2+/-, D3+/- and CLK+/-) and function signal (FRC, DPS and
4.4.2
LED Driver board
function signals
LED
Note1:
Note2:
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el signal pr
ocessing boa
3.0V
0V
0V
Note2
0ms <t< 35ms
* These signals should be measured at the terminal of 100Ω resistance.
ation (voltage drop) at the rising edge of VCC below 3.0V, there is a
possibility that a produ
ct does not work due to a protection circuit.
MSL) must be set to Low or High-impedance, except the VALID period (See above sequence
diagram), in order to avoid the circuitry damage.
If some of display and function signals of this product are cut while this product is working,
even
if the signal input to
display and function signals, VCC also mu
Display and
Note1
backl
ight: O
N
These are the display and function signals for LCD panel signal processing board.
The backlig
ht should be turned on within the valid period of display and function signals, in
order to avoid unstable data display.
PRELIMINARY DATA SHEET DOD-PP-0936 (1st edition)
rd
ON
10μs ≤Tr< 50ms
VALID period
it once again, i
t might not work normally. If a custom
st be shut down.
Note2
VALID pe
NL12880BC20-05
OF
F
ON
0
.3V
Toff≥ 50ms
0ms <t< 35ms
riod
er sto
ps th
e
11
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