EM62100AGH datasheet(21/60 Pages) EMC

21 / 60 page

EM62100

65 COM/132 SEG STN LCD Driver

Product Specification (V1.1) 09.13.2005

•••• 15

(This specification is subject to change without further notice)

6.6 Line Address Circuit

The line address circuit assigns the line address corresponding to the common output

when the contents of the display data RAM are displayed. Using the display start line

address set command, the normal top line of the display can be specified (which is the

COM0 output when the common output mode is normal, and the COM63 output for

EM62100 when the common output mode is reversed. The display area is a 65-line

area for the EM62100 from the display start line address.

If the line address is changed dynamically using the display start line address set

command, screen scrolling, page swapping, etc., can be performed.

6.7 Column Addresses Circuit

The column address is specified by the Column Address Set command, as shown in

Fig.5. The specified column address is incremented by 1 each time a read or write

display data instruction is executed. This allows the MPU display data to be accessed

continuously. The column address can no longer be incremented at 83H. Since the

column address is independent of the page address, when moving, for example, from

page 0 column 83H to page 1 column 00H, it is necessary to specify both the page

address and the column address.

Furthermore, as shown in Table 4, the ADC command can be used to invert the

relationship between the display data RAM column address and the segment output.

Because of this, the constraints on the IC layout when the LCD module is assembled

can be minimized.

Table 5

SEG Output

SEG0

SEG131

ADC"0"

0(H)

Column address

83(H)

ADC"1"

83(H)

Column address

0(H)

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