Specifications

9–22 EPSON
SED1278
5×11 pixel font (1/11 duty cycle)
The maximum character height is 11 pixels, however if
a cursor is used row 10 must be left blank.
The SED1278 requires that, although the maximum
character height is 11 rows, each character is allocated 16
rows (bytes) of address space. The last five bytes are
ignored.
The CGRAM address is made up of the following
components.
Figure 2 A 5×11 Pixel Font
• The least significant 4 bits,
a3 to a0, specify the row
number of the character data.
• Bits
a5 and a4 correspond to bits 2 and 3, respectively,
of the character code.
• The most significant bit,
a7, is ignored.
Figure 2 shows an example 5×11 pixel font.
CGRAM address CGRAM data
A5····A0DB7······DB0
000000* * *00001
000001* * *00001
000010* * *00001
000011* * *00101
000100* * *01001
000101* * *11111
000110* * *01000
000111* * *00100
001000* * *00000
001001* * *00000
001010* * *00000
001011* * ******
001100* * ******
001101* * ******
001110* * ******
001111* * ******