LH155BA datasheet(6/51 Pages) SHARP

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LH155BA

SYMBOL

I/O

DESCRIPTION

1.4. LCD Drive Circuit Signals

I/O

The latching signal of display data to count up the display line counter at the rising,

and to output the LCD drive signals at the falling.

M/S = "H" : Output for master mode

M/S = "L" : Input for slave mode

FLM

I/O

I/O pin for LCD synchronous signals (first line marker).

When FLM pin is set to "H", the display starting line address is preset in the display

line counter.

M/S = "H" : Output for master mode

M/S = "L" : Input for slave mode

I/O

I/O pin for alternating signals of LCD drive output.

M/S = "H" : Output for master mode

M/S = "L" : Input for slave mode

M/S

Used to select either master or slave mode operation.

Fix to "H" or "L" at this pin.

SEG0-SEG127

Segment output pins for graphic display.

According to the data of the display RAM data,

non-lighted at "0", lighted at "1" (Normal mode)

non-lighted at "1", lighted at "0" (Reverse mode)

and, by a combination of M signal and display data, one signal level among V0, V2,

V3, and VSS is selected.

M/S

State

OSC

P.S.circuit

FLM

Master

Enabled Enabled

Output

Slave

Disabled Disabled

Input

Display RAM Data

M Signal

Normal Mode

Reverse Mode

VSS

COM0-COM63

Common output pins for graphic display.

By a combination of the scanning data and M signals, one signal level among V0, V1,

V4 and VSS is selected.

Data

Output level

VSS

LH155BA Datasheet(PDF) 6 Page - Sharp Corporation

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