SSD1850 datasheet(27/56 Pages) ETC

27 / 56 page

SSD1850/51 Series

Rev 1.2

01/2003

SOLOMON

mapped to 3 lines to 33 lines

respectively. Value 00000b disables the

N-line inversion, which is the POR

value. To avoid a fix polarity at some

lines, it should be noted that the total

number of mux (including the icon line)

should NOT be a multiple of the lines of

inversion (n).

50~56

Set LCD Bias

Sets the LCD bias from 1/4 ~ 1/10

according to B2B1B0:

000: 1/4 bias

001: 1/5 bias

010: 1/6 bias

011: 1/7bias

100: 1/8 bias

101: 1/9 bias (POR for SSD1850)

110: 1/9 bias (SSD1850); 1/10 bias

(POR for SSD1851)

57~63

Reserved

64~67

Set DC-DC

Converter Factor

Sets the DC-DC multiplying factor from

2X to 6X B1B0:

00: 2X/3X (POR, 2X or 3X multiplying

depended on the DC-DC converter

hardware configuration)

01: 4X

10: 5X

11: 5X (SSD1850); 6X (SSD1851)

68~80

Reserved

Set Contrast

Control Register

The next command sets one of the 64

contrast levels. The darkness increase

as the contrast level increase. The level

is set to 32 after POR.

OTP Setting

Set the desired VL6 voltage value:

0000: original contrast

0001: original contrast +1 step

0010: original contrast +2 steps

0011: original contrast +3 steps

0100: original contrast +4 steps

0101: original contrast +5 steps

0110: original contrast +6 steps

0111: original contrast +7 steps

1000: original contrast -8 steps

1001: original contrast -7 steps

1010: original contrast -6 steps

1011: original contrast -5 steps

1100: original contrast -4 steps

1101: original contrast -3 steps

1110: original contrast -2 steps

1111: original contrast -1 step

OTP

Programming

Please refer the sequence of OTP

programming

84~87

Reserved

WB3

WB2

WB1

WB0

WA3

WA2

WA1

WA0

Set White mode,

Frame 2

nd & 1st

WD3

WD2

WD1

WD0

WC3

WC2

WC1

WC0

Set White mode,

Frame 4

th & 3rd

Set gray scale mode and register.

These are two-byte commands used to

specify the contrast levels for the gray

scale, 4 levels available.

After power on reset,

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