SSD1828Z datasheet(22/43 Pages) ETC

22 / 43 page

SSD1828

Rev 1.10

07/2002

SOLOMON

COMMAND TABLE

Table 6 - COMMAND TABLE

Bit Pattern

Command

Description

0000 C3C2C1C0

Set Column LSB

Set the lower nibble of the column address pointer for

RAM access. The pointer is reset to 0 after reset.

0001 0C6C5C4

Set Column MSB

Set the upper nibble of the column address pointer for

RAM access. The pointer is reset to 0 after reset.

0010 0R2R1R0

Set Internal Resistor

Ratio

The internal regulator gain (1+R2/R1) Vout increases as

R2R1R0 is increased from 000b to 111b. The factor,

1+R2/R1, is given by:

R2R1R0 = 000: 2.3 (POR)

R2R1R0 = 001: 3.0

R2R1R0 = 010: 3.7

R2R1R0 = 011: 4.4

R2R1R0 = 100: 5.1

R2R1R0 = 101: 5.8

R2R1R0 = 110: Reserved

R2R1R0 = 111: Reserved

(Refer to 8.14)

0010 1VC VR VF

Set Voltage Control

VC VR = 00: turn OFF the internal voltage booster &

regulator (POR)

VC VR = 01,10,11: turn ON the internal voltage booster

& regulator

VF=0: turn OFF the output op-amp buffer (POR)

VF=1: turn ON the output op-amp buffer

0011 1T2T1T0

Set TC value

This command set the Temperature Coefficient

T2T1T0:

001: -0.035%/

010: -0.035%/

011: -0.05%/

oC (POR)

100: -0.083%/

0100 00XX

XL6L5L4 L3L2L1L0

Set Initial Display Line

The second command specifies the row address

pointer (0-63) of the RAM data to be displayed in

COM0. This command has no effect on ICONS. The

pointer is set to 0 after reset.

0100 01XX

XXC5C4 C3C2C1C0

Set Initial COM0

The second command specifies the mapping of first

display line (COM0) to one of ROW0~63. This

command has no effect on ICONS. COM0 is mapped to

ROW0 after reset.

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