CXA2111R Просмотр технического описания (PDF) - Sony Semiconductor

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CXA2111R

LCD Signal Processor (Gamma Correction)

Sony Semiconductor 

CXA2111R

Pin Description

Pin

No.

Symbol

I/O

Typical

pin voltage

Equivalent circuit

1 POS_CNT1

VCC

VCC

VCC

O 0 to 5V

1

(4 value) 2

2 POS_CNT2

300

70k

Description

CXA2112R control.

The sample-and-hold position is

determined by the I2C data.

POS_CNT1 is the low-order 4-value

output and POS_CNT2 is the high-

order 4-value output for a total of 16-

value control.

I2C data input (2 bits)

00

01

10

11

Pin output

L

↓

↓

H

3 DLY_CNT O 3 to 5V

VCC

VCC

25k

300

3

CXA2112R control.

The clock delay time is controlled by

output analog value using I2C data.

I2C data input (6 bits)

all 0

↓

all 1

Pin output

5V

↓

3V

4 DIR_CNT

L/H

O (0V/5V)

5 INV_CNT

6 SIDOUT

O 2.3 to 3.3V

VCC

VCC

20k

300

4

5

VCC

VCC

6

CXA2112R control.

The scan direction is determined by

the I2C data.

I2C data input (1 bit)

0

1

Pin output

H

L

CXA2112R control.

The clock polarity is determined by the

I2C data.

I2C data input (1 bit)

0

1

Pin output

H

L

Output for CXA2112R.

This pin outputs the precharge signal.

Pin 10 input

Pin 6 output

H

Level controlled by Pin 11

L

Level controlled by Pin 9

7 DATEST

DAC test output.

Set the I2C data to "1". This pin is

normally open.

–3–

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