HM10S604 데이터 시트보기 (PDF) - Hyundai Micro Electronics

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HM10S604

CMOS TFT-LCD SOURCE DRIVER

Hyundai Micro Electronics 

HM10S604 PRELIMINARY SPEC

TERMINAL

I/O

NAME

FUNCTION

DESCRIPTION

OUT1 ~

OUT420

LCD control

output terminal

O Sub-pixel output, provides 64 gray signals to the LCD panel.

LCD drive capacity

Switched LCD drive capacity : BC = H : heavy load mode

BC

I

switching terminal

BC = L : spec-load mode

Reduces charge and discharge current to a load

Low power mode

LP

I

LP = H : normal mode

selection terminal

LP = L : low power mode

• Detailed description

Image signal capture

DEIOn=H(n=1 or n=2) is captured internally at the leading edge of DCLK. After the decay of DEIOn, the image signal

data are captured in the internal latch with the rise of the next DCLK.

If DEIOn receives an input in the meantime, new image signal data is captured at the rise of the next DCLK after

DEIOn decays.

It is possible to reverse the input data for each port by means of the RVRS1 and RVRS2.

Output expansion

The number of image signal output terminals can be expanded by cascading these devices,thereby enabling

compatibility with large screens. Expansion is controlled by using the L/R terminal:

L/R=L : the previous stage DEIO1 terminals is connected to the next stage DEIO2, and input terminals other

than DEIO1 and DEIO2 are connected together on each device.

L/R=H : the previous stage DEIO2 terminals is connected to the next stage DEIO1, and input terminals other

than DEIO1 and DEIO2 are connected together on each device

Relationship between input data values and output voltage

The output voltage is determined by the input data value and the 10 gamma correction potentials, Also, since

the output voltage is compatible with dot reverse driving, it is possible to output gradation voltages for the

opposing electrode voltages with polarities that differ for even and odd numbered outputs.

Input potentials with the same polarities relative to the opposing electrode voltages should be applied for

GH63/GL63,GH47/GL47,GH31/GL31,GH15/GL15,GH0/GL0 of the gamma correction reference power

supply.

Reference potential input for correction ( i.e. GH63/GL63,GH47/GL47,GH31/GL31,GH15/GL15,GH0/GL0 )

should be applied externally as desired. Reference potential should be maintained during gradation voltage

output. Refer to the operating conditions for the relative magnitude of each potential.

• CONFIDENTIAL & PROPRIETARY


 

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