ML6411 Просмотр технического описания (PDF) - Micro Linear Corporation

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ML6411

Programmable Video Digitizer with Selectable Gain and Clamps

Micro Linear Corporation 

ML6411

REGISTER INFORMATION AND ORGANIZATION

REGISTER

A

B

C

D

ADDRESS

000

001

010

011

DATA BIT

A0

A1

A2

A3

A4

B0

B1

B2

B3

B4

C0

C1

C2

C3

C4

D0

D1

NAME

CLPA0

CLPA1

Reserved

Reserved

CLPB0

CLPB1

STDB0

STDB1

STDA0

STDA1

GNA0

GNA1

GNA2

GNA3

GNA4

GNA5

BOOSTA

DESCRIPTION

Sets Clamp Level for the A Channel

Sets Clamp Level for the A Channel

Reserved

Reserved

Sets Clamp Level for the B Channel

Sets Clamp Level for the B Channel

Selects Standard Preset Gain Level for B Channel

Selects Standard Preset Gain Level for B Channel

Selects Standard Preset Gain Level for A Channel

Selects Standard Preset Gain Level for A Channel

Sets User Defined Gain Level for A Channel

Sets User Defined Gain Level for A Channel

Sets User Defined Gain Level for A Channel

Sets User Defined Gain Level for A Channel

Sets User Defined Gain Level for A Channel

Sets User Defined Gain Level for A Channel

Provides 25% Extra Gain on A Channel

D2

BOOSTB Provides 25% Extra Gain on B Channel

D3 CV/S_Mode Select Dual Composite Mode or S-Video Mode

D4

E

100

E0

E1

E2

E3

E4

F

101

F0

F1

F2

F3

F4

Note: Volt Peak-to-Peak = VP-P

GNB0

GNB1

GNB2

GNB3

GNB4

GNB5

Reserved

APEAK

BPEAK

CLKDIV

Selects User Defined Gain Level for B Channel

Sets User Defined Gain Level for B Channel

Sets User Defined Gain Level for B Channel

Sets User Defined Gain Level for B Channel

Sets User Defined Gain Level for B Channel

Sets User Defined Gain Level for B Channel

Set to 0 for Proper Operation

Sets A Channel for 1VP-P

or 2VP-P inputs

Sets A Channel for 1VP-P

or 2VP-P inputs

Sets Internal Clock Frequency to Divide-by-2

Reserved Recommend 0 for RESET and 1 for Normal Operation

Table 7: Control Register Summary

BIT CODE RANGE

See Table 3

See Table 3

Don't Care

Don't Care

See Table 3

See Table 3

See Table 2

See Table 2

See Table 2

See Table 2

See Table 4

See Table 4

See Table 4

See Table 4

See Table 4

See Table 4

0 = 1 x Gain;

1 = 1.25 x Gain;

See Table 5

0 = 1 x Gain;

1 = 1.25 x Gain;

See Table 5

0 = S-Video Mode;

1 = Dual Composite

Mode

See Table 4

See Table 4

See Table 4

See Table 4

See Table 4

See Table 4

F0 = 0

1 = 1VP-P

0 = 2VP-P

1 = 1VP-P

0 = 2VP-P

1 = 1VP-P

0 = 2VP-P

0 or 1 is Acceptable

14

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