SPFD54124B Drise, SPFD54124B Datasheet - Page 156

• Manufacturer Part Number: SPFD54124B
• Description: 396-Channel 6-Bit Source Driver
• Manufacturer: Drise

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7.4.6.4 Power On Sequence on RGB Mode 2
The Driver operates power up and display ON by VDD, VDDIO, SHUT, VS, HS, DE, PCLK on RGB mode 2 as show as following figure.
Table 7.4.6.4.1 Power ON AC Characteristics
Note 1: T
Note 2: Signals mean VS, HS, DE and PCLK signal.
Note 3: DP=’0’, EP=’0’, HSP=’0’ and VSP=’0’ of RGBCTR (B0h) command.
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Internal oscillator
Internal Counter
Host
Driver IC
Source Output
VCOM Output
Falling edge of SHUT to LCD power ON
VDDIO/VDD on to falling edge of SHUT
Signals input to falling edge of SHUT *
Falling edge of SHUT to Display start
Display High
functionalities / performance.
Gate Output
VDDIO-VDD
Voltage
Display
RESX to falling of SHUT
VDDIO
VDDIO On to VDD On
RESX
SHUT
PCLK
VDD
can be <=0ns, >0ns. In any case, VDDIO and VDD power up sequence should not have any impact on the driver / display
HS
DE
Characteristics
VS
T
VDD
-
VDDIO
T
T
RS-SH
VDD
Fig. 7.4.6.4.1 Power On Sequence on RGB Mode 2
-
SH
T
PCLK -SH
Display OFF
T
Symbol
VDDIO-VDD
T
T
T
T
T
VDD-SH
CLK-SH
SH-LCD
RS-SH
SH-ON
Blanking Display (Over 1 frame display)
1
2
156
T
SH-LCD
3
Min
10
T
0
1
1
4
SH-ON
5
Typ
10
6
7
Max
8
120
9
10
PCLK
Unit
ms
ms
VS
ns
us
SPFD54124B
11
Display ON
Preliminary
Preliminary Version: 0.6
12
Normal Display
Normal Display
Normal Display
Remark
Note1
Note2
13
14
APR. 26, 2007
15