S6B0708 데이터 시트보기 (PDF) - Samsung

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S6B0708

64COM/128SEG GRAPHIC DRIVER FOR DOT MATRIX LCD

Samsung 

6 4 C O M / 1 2 8 S E G G R A P H I C D R I V E R F O R D O T M A T RI X L C D

S6B0708

BUSY FLAG

Busy flag indicates whether S6B0708 is operating or not. When it is high, S6B0708 is in internal operation. When

it is low, S6B0708 can accept the data or instruction. DB7 indicates busy flag of the S6B0708.

E

Busy Flag

T B U S Y < 4 / fo s c

Figure 1. Busy Timing

DISPLAY TIMING GENERATOR CIRCUIT

This section explains how the timing generation circuit operates.

• Signal generation to display start line counter and display data latch circuit.

• The display clock (CLK2) generates a clock to the line counter. The display start line address

of the display RAM is synchronized with the display clock. 128-bit display data is latched by

the display data latch circuit in synchronization with the display clock and output to the

segment LCD drive output pin.

• LCD AC signal (M) generation.

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