Sharp R-501CW User Manual download pdf (Page 7)

LS013B4DN04 LCD Modules

Application Note 7

Figure 7. Power Supply Sequencing

Normal Operation

Note 1

Note 2

Note 1

On Sequence

VDD/VDDA (5 V)

T1 T2 T3 T4 T5 T6 T7

Normal Operation

NOTES:

1. The order of and can be reversed, in this case, VCOM polarity inversion

timing controlled by EXTCOMIN (doesn’t work during DISP = ‘L’).

2. Setup value for initialization of pixel memory data.

3. Precautions at power on and power off.

Normal Operation

Off Sequence

1 2 3 4

6 7

3 4

DISP

EXTCOMIN

SCS

Others

GND

LS013B4DN04-3

1 2 3 4 5 6 7 8 9 10 11 12 ... 18 19

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Sharp R-501CW User Manual Page 7