Iic bus da converter (ic2161) port functions, Iic bus da converter (ic1581) port functions, Iic bus da converter (ic2571) port functions – Eiki LC-NB3E User Manual

Page 43: Control port functions

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1

R

Reset

Fixed “H”

2

SCL

IIC SCL

Active “L”

3

SDA

IIC SDA

Active “L”

4

AO7

RCLP

R Signal clamp reference voltage

5

AO8

GCLP

G Signal clamp reference voltage

6

AO9

BCLP

B Signal clamp reference voltage

7

AO10

AV/PC

AV/PC switch (L: AV H: PC)

8

AO11

SYNC_SW

Fixed “H”

9

AO12

G_BLK_DC

Video G signal pedestal voltage

10

VrefL

D/A converter lower ref. voltage

Connected to GND

11

VrefU1

D/A converter upper ref. voltage (CH7~CH12)

Vcc(5V)

12

GND

GND

GND

13

VrefU2

D/A converter upper ref. voltage(CH1~CH6)

Vcc(5V)

14

AO1

SCP SW

Sandcastle pulse SW Video/S-Video/480i/575i: L else: H

15

AO2

BLANK SW

H Blank width SW 1080i/1035i/720p/480p/575p: H else: L

16

AO3

MACRO

H: PC, AV(1080i50Hz) L: AV

17

AO4

CBAL_SW

Color uniformity correction SW

18

AO5

B_BLK_DC

Video B signal pedestal voltage

19

Ao6

R_BLK_DC

Video R signal pedestal voltage

20

Vcc

Digital power supply

Vcc(5V)

21

Vdd

Analo gpower supply

Vcc(5V)

22

CS2

Chip Select 2

Fixed “L”

23

CS1

Chip Select 1

Fixed “H”

24

CS0

Chip Select 0

Fixed “H”

Pin No.

Name

Function

Action

IIC Bus DA Converter (IC2161) Port Functions

Control Port Functions

1

R

Reset

Fixed “H”

2

SCL

IIC SCL

Active “L”

3

SDA

IIC SDA

Active “L”

4

AO7

REF_B

D/A reference voltage

5

AO8

REF_G

D/A reference voltage

6

AO9

REF_R

D/A reference voltage

7

AO10

Not used

0V fixed

8

AO11

Not used

0V fixed

9

AO12

Not used

0V fixed

10

VrefL

D/A converter lower ref. voltage

Connected to GND

11

VrefU1

D/A converter upper ref. voltage (CH7~CH12)

Vcc(5V)

12

GND

GND

GND

13

VrefU2

D/A converter upper ref. voltage (CH1~CH6)

Vcc(5V)

14

AO1

B-CENT

Video center voltage

15

AO2

G-CENT

Video center voltage

16

AO3

R-CENT

Video center voltage

17

AO4

DWN

Panel control signal

18

AO5

RGT

Panel control signal

19

AO6

XRGT

Panel control signal

20

Vcc

Digital power supply

Vcc(5V)

21

Vdd

Analog power supply

Vcc(5V)

22

CS2

Chip Select 2

Fixed “L”

23

CS1

Chip Select 1

Fixed “L”

24

CS0

Chip Select 0

Fixed “L”

Pin No.

Name

Function

Action

IIC Bus DA Converter (IC1581) Port Functions

1

R

Reset

Fixed “H”

2

SCL

IIC SCL

Active “L”

3

SDA

IIC SDA

Active “L”

4

AO5

Not used

5

AO6

VCOMR

6

AO7

VCOMG

7

AO8

VCOMB

8

VrefL

D/A converter lower ref. voltage

Connected to GND

9

VrefU1

D/A converter upper ref. voltage (CH5~CH8)

Connected to Vcc

10

GND

GND

GND

11

VrefU2

D/A converter upper ref. voltage (CH1~CH4)

Connected to Vcc

12

AO1

NRSB

13

AO2

NRSA

14

AO3

Not used

15

AO4

Not used

16

Vcc

5 V

Vcc(5V)

17

Vdd

5 V

Vdd(5V)

18

CS2

Chip Select 2

Fixed “L”

19

CS1

Chip Select 1

Fixed “L”

20

CS0

Chip Select 0

Fixed “H”

Pin No.

Name

Function

Action

IIC Bus DA Converter (IC2571) Port Functions

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