VDP3108B datasheet(49/72 Pages) MICRONAS

49 / 72 page

PRELIMINARY DATA SHEET

VDP 31xxB

Micronas

Short Description

Connection

Type

Pin Name

Pin No.

(if not used)

BIN

GNDO

Analog Blue Input

FBLIN

GNDO

Fast Blank Input

RIN2

GNDO

Analog Red Input 2

GIN2

GNDO

Analog Green Input 2

BIN2

GNDO

Analog Blue Input 2

FBLIN2

GNDO

Fast Blank Input 2

CLK20

OUT

20 MHz System Clock Output

HOUT

OUT

Horizontal Drive Output

XTAL1

Analog Crystal Input

XTAL2

OUT

Analog Crystal Output

VSTBY

Standby Supply Voltage

CLK5

OUT

5 MHz Clock Output

GNDF

Ground, Analog Front-end

ISGND

GNDF

Signal Ground for Analog Input

VRT

Reference Voltage Top, Video ADC

VSUPF

Supply Voltage, Analog Front-end

VOUT

OUT

Analog Video Output

CIN

VRT

Analog Chroma Input

VIN1

VRT

Analog Video 1 Input

VIN2

VRT

Analog Video 2 Input

VIN3

VRT

Analog Video 3 Input

VIN4

VRT

Analog Video 4 Input

4.3. Pin Descriptions

Pin 1 – Test Input, TEST (Fig. 4–3)

This pin enables factory test modes. For normal opera-

tion it must be connected to ground.

Pin 2 – Reset Input, RESQ (Fig. 4–3)

A low level on this pin resets the VDP 31xxB.

Pin 3 – I2C Bus Clock, SCL (Fig. 4–12)

This pin connects to the I2C bus clock line.

Pin 4 – I2C Bus Data, SDA (Fig. 4–12)

This pin connects to the I2C bus data line.

Pin 5 – Ground (Digital Shield), DSGND

Pin 6, 7, 20–24 – IO Port Expander, PORT[6:0] (Fig.

4–13)

These pins provide an I2C programmable I/O port, which

can be used to read and write slow external signals.

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