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MSM5265

80-DOT LCD DRIVER

Oki Electric Industry 

¡ Semiconductor

MSM5265

• SEG1 to SEG80

LCD segment driving signals are output from these pins and they should be connected to the

segment side of the LCD panel.

"H" level : VDD, "L" level : VLC2

– In the static display mode

The nth-bit data of the data latch (A) corresponds to the SEG n. The data of the data latch

(B) is invalid .

A signal out of phase with the COM-OUT signal is output to the segment outputs when the

display is turned on, while a signal in phase with it is output when the display is turned off.

– In the 1/2 duty dynamic display mode

Output of the SEG n corresponds to as follows.

When COM-A is in select mode:

nth-bit data of the data latch (A)

When COM-B is in select mode:

nth-bit data of the data latch (B)

When the display is turned on, a signal out of phase with the common signal corresponding

to the data is output, while a signal in phase with the common signal is output when the

display is turned off.

Dynamic display mode

(D/S : "H")

Static display mode

(D/S : "L")

COM-A

COM-A

COM-B

COM-B

Off Off Off Off

SEG n Off On Off On

On Off On Off

On On On On

80+n n 80+n n

Off

SEG n

On

10/18

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