Notes:

•

Every row must begin with an attribute and an SL value. Display Page RAM memory location 0x8000 will always be associated

with the SL of row 0 of Display Window #1.

•

If an I

attribute.

•

Every row except the last row of a Display Window must end with an RE character. The character immediately after an RE

character is always the SL value for the next row.

•

The last row in a Display Window must be a WE character. The WE character must NOT follow an RE character.

•

Table 11. Example 2 (Five Sequences) is the data sent to the LM1237 for the entire image, in five transmissions.

TABLE 11. Example 2 (Five Sequences)

Data Sent

Description

RAM Address

I

0xBA

Chip address (See the Microcontroller Interface Section)

0x00

Address LSB

0x80

Address MSB

0x00

Use Attribute table 0x00 for the following characters

0x02

Skip 2 lines Command

0x8000

0x02

Character “A”

0x8001

0x03

Character “B”

0x8002

0x04

Character “C”

0x8003

0x01

Row-End (RE) Command

0x8004

I

I

0xBA

Chip address (See the Microcontroller Interface Section)

0x05

Address LSB

0x80

Address MSB

0x01

Use Attribute table 0x01 for the following characters

0x03

Skip 3 lines Command

0x8005

20023433

FIGURE 22. Example 2 OSD

www.national.com

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