2. Characteristics of inputs/outputs

Signal

Parameter

Min

Type

Max

 

RDATA

Impedance

 

75

 

Ohm

GDATA

Amplitude

 

0.7

 

Volts peak-to-peak

BDATA

Black pedestal

 

0

 

Volts

 

Pixel Clock

 

170

 

M Hz

GDATA_SO

Impedance

 

75

 

Ohm

G

Amplitude

 

1

 

Volts peak-to-peak

 

Video amplitude

 

0.7

 

Volts peak-to-peak

 

Sync amplitude

 

0.3

 

Volts peak-to-peak

 

Black pedestal

 

0

 

Volts

 

Pixel Clock

 

170

 

M Hz

HDATA

Impedance

 

1

 

K ohm

 

Amplitude, low level

0

 

0.8

volt

 

Amplitude, high level

2.5

 

5

Volt

 

Frequency

31

 

99

K Hz

VDATA

Impedance

 

1

 

K ohm

 

Amplitude, low level

0

 

0.8

volt

 

Amplitude, high level

2.5

 

5

Volt

 

Frequency

48

 

120

Hz

SDADATA

Amplitude, low level

0

 

0.8

volt

 

Amplitude, high level

3

 

5

Volt

SCLDATA

Amplitude, low level

0

 

0.8

volt

 

Amplitude, high level

3

 

5

Volt

RXD

Amplitude

-25

 

25

Volt

TXD

Amplitude

-13.2

 

13.2

Volt

CVBS

Amplitude, total (video+

 

1

 

Volts peak to peak

Luminance

sync)

 

 

 

 

 

Amplitude, video

 

0.7

 

Volts peak to peak

 

Amplitude, sync

 

0.3

 

Volts peak to peak

 

Impedance

 

75

 

ohm

CVBS

Amplitude

 

700

 

m Volts peak to peak

Chroma

Impedance

 

75

 

ohm

Audio

Impedance (audio in)

 

10

 

Kohm

 

Amplitude (audio in)

 

500

 

mVolts rms

 

Bandwidth

300H

 

16kH

 

 

 

z

 

z

 

 

S/N Ratio

40

 

 

%

 

Total Harmonic

 

 

10

%

 

Distortion

 

 

 

 

Microphone

Transducer Principle

 

 

 

Dynamic

 

Impedance

300

 

1K

ohm

 

Frequency response

600

 

16k

Hz

3. Electrical Interface Character

Interface Definition

15 pin definition of the mini D-sub male for DDC2B protocol

17

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Image 17
Acer S5301WB, S5201B service manual Rdata, Bdata, Gdataso, Hdata, Vdata, Sdadata, Scldata, Rxd, Txd, Cvbs