SSD1309Z datasheet(21/57 Pages) SOLOMON

21 / 57 page

Solomon Systech

Jul 2011 P 26/62

Rev 1.1

SSD1309

8.8

Power ON and OFF sequence

The following figures illustrate the recommended power ON and power OFF sequence of SSD1309

Power ON sequence:

1. Power ON VDD

2. After VDD become stable, set RES# pin LOW (logic low) for at least 3us (t1)

(3) and then HIGH (logic

high).

3. After set RES# pin LOW (logic low), wait for at least 3us (t2). Then Power ON VCC.

(1)

4. After VCC become stable, send command AFh for display ON. SEG/COM will be ON after 100ms

(tAF).

Figure 8-16 : The Power ON sequence

Power OFF sequence:

1. Send command AEh for display OFF.

2. Power OFF VCC.

(1), (2)

Power OFF VDD after tOFF.

(4) (where Minimum t

OFF=0ms, typical tOFF=100ms)

Figure 8-17 : The Power OFF sequence

OFF VDD

VDD

VCC

Send command AEh for display OFF OFF VCC

OFF

tOFF

Note:

(1) V

CC should be kept float (i.e. disable) when it is OFF.

(2) Power Pins (V

DD, VCC) can never be pulled to ground under any circumstance.

(3) The register values are reset after t

(4) V

DD should not be Power OFF before VCC Power OFF.

OFF

ON VDD

RES#

ON VCC

Send AFh command for Display

VDD

RES#

OFF

SEG/COM

tAF

OFF

VCC

GND

SSD1309Z Datasheet(PDF) 21 Page - Solomon Systech Limited

SSD1309Z Datasheet(HTML) 21 Page - Solomon Systech Limited

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57

Datasheet Download

Link URL