CXA3268AR データシートの表示（PDF） - Sony Semiconductor

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CXA3268AR

Driver/Timing Generator for Color LCD Panels

Sony Semiconductor 

CXA3268AR

Item

Symbol

Serial data

setting (HEX)

Measurement conditions

Min. Typ. Max. Unit

White limiter

variable amount

VWL1

VWL2

WHITE-LIM

00h

Set CONT = FFh, input SG2 (0.35Vp-p) to

TP71, measure the inverted and non-inverted ±1.2 ±0.6

±0

white limit level when WHITE-LIM = 00h and

03h, and assume the difference from the

V

WHITE-LIM output DC voltage as VWL1 and VWL2,

±0.6 ±1.2 ±1.8

03h respectively.

Black level

difference between ∆VB

R, G and B

Measure the non-inverted black level at

TP32, TP34 and TP36, and obtain the

maximum and minimum difference between

these values.

300 mV

RGB and PSIG

output DC voltage

Vc

DC voltage

difference between ∆Vc

RGB and PSIG

PSIG-BRT

variable amount

VPB1

VPB2

Measure the output DC level (average

voltage) at TP32, TP34, TP36 and TP39.

5.8 6.0 6.2 V

Measure the output average voltage

difference at TP32, TP34 and TP39 relative

to the output average voltage at TP36.

±200 mV

PSIG-BRT Measure the inverted and non-inverted black

01h level when PSIG-BRT = 01h and 7Fh and

PSIG-BRT

7Fh

assume the difference from the average DC

voltage Vc as VPB1 and VPB2, respectively.

±4.2

±0.7

V

USER-BRT

variable amount

∆UB1

∆UB2

Level difference

between PSIG-BLK ∆VBB

and BLK-LIM

θ1

Hue

variable amount

θ2

U-BRT

00h

U-BRT

7Ah

Measure the inverted and non-inverted black

±0.8 ±1.5

level at TP36 when U-BRT = 00h and 7Ah

and assume the difference from the average

V

voltage as ∆UB1 and ∆UB2, respectively. ±4.5 ±4.9

SLWD

1

Set BLK-LIM = 00h and measure the

difference between the inverted and non-

inverted black level at TP36 and TP39.

350 mV

Set U-BRT = 23h, CONT = 80h, COLOR =

40h, and assume the amplitude at TP32

HUE 00h when SG4 (56mVp-p) is input to TP72 as V1. –20 –25

deg

Similarly, assume the amplitude at TP34

when SG4 (100mVp-p) is input to TP70 as V2.

θ = tan – 1 (V1/V2). Assume the θ when HUE

HUE FFh = 00h, 80h and FFh as θa, θb and θc,

respectively.

20 25

deg

θ1 = θa – θb, θ2 = θc – θb

Picture

variable amount

GP1

GP2

PIC-G

01h

PIC-G

1Fh

Set CONT = 2Fh, input SG3 to TP71, and

measure the TP36 amplitude at f0 relative to –1.5 0 1.5

the TP36 amplitude at 100kHz when PIC-G

dB

= 01h and 1Fh. f0 at PIC-f0 = 00h, 01h, 02h

and 03h is 2MHz, 2.2MHz, 2.6MHz and

10 12

2.9MHz, respectively.

Color

variable amount

GC1

GC2

COLOR

00h

COLOR

FFh

Input SG4 (50mVp-p) to TP70 and TP72,

and assume the output amplitude at TP32

–30 –20

and TP34 when COLOR = 00h, 80h and FFh

dB

as V1, V2 and V3, respectively.

GC1 = 20 log (V1/V2)

5.0 6.0

GC2 = 20 log (V3/V2)

– 15 –

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