KS0066 데이터 시트보기 (PDF) - Samsung

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KS0066

16COM / 40SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

Samsung 

KS0066U

16COM / 40SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

CGROM(Character Generator ROM)

CGROM has a 5×8 dots 204 characters pattern and a 5×11 dots 32 characters pattern (Refer to Table 4).

CGROM has 204 character patterns of 5× 8 dots, and 32 character patterns of 5×11 dots.

CGRAM(Character Generator RAM)

CGRAM has up to 5×8 dots 8 characters.

By writing font data to CGRAM, user defined characters can be used (Refer to Table 5)

Timing Generation Circuit

Timing generation circuit generates clock signals for the internal operations.

LCD Driver Circuit

LCD Driver circuit has 16 common and 40 segment signals for LCD driving.

Data from CGRAM/CGROM is transferred to a 40-bit segment latch serially, and then is stored to 40-bit shift latch.

When each common is selected by 16-bit common register, segment data is also output through segment driver

from a 40-bit segment latch.

In case of 1-line display mode, COM1 to COM8 have 1/8 duty or COM1 to COM11 have 1/11 duty,

and in 2-line mode, COM1 to COM16 have a 1/16 duty ratio.

Cursor/Blink Control Circuit

It controls the cursor/blink ON/OFF at cursor position.

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