ISL51002 datasheet(13/32 Pages) INTERSIL

13 / 32 page

December 22, 2006

CONFIGURATION REGISTERS

0x10

Input Configuration,

(0x00)

1:0

Input Channel Select

Sets video muxes as well as HSYNC, VSYNC, and SOG input

muxes.

0: CH0

1: CH1

2: CH2 (single-ended mode only)

3: CH3 (single-ended mode only)

Differential Mode Enable

0: Single-Ended Mode

1: Differential Mode

DC Coupled Input Enable

0: AC-coupled Inputs

1: DC-coupled Inputs

RGB YUV

0: RGB inputs (Clamp DAC = 300mV for R, G, B, half scale

analog shift for R, G, and B, base ABLC target code = 0x00

for R, G, and B)

1: YPbPr inputs (Clamp DAC = 600mV for R and B, 300mV for

G, half scale analog shift for G channel only, base ABLC

target code = 0x00 for G, = 0x80 for R and B)

High Voltage Enable

0: Normal Input Range

1: Expanded 2.2V Input Range

EXT Clamp SEL

0: Internal CLAMP generation

1: External CLAMP source

EXT Clamp POL

0: Active high external CLAMP

1: Active low external CLAMP

0x11

Sync Source Selection,

(0x00)

Sync Select

0: Automatic (HSYNC, VSYNC sources selected based on

sync activity. Multiplexer settings chosen are displayed in

the Input Characteristics register.)

1: Manual (bits 1and 2 determine HSYNC and VSYNC source)

HSYNC Source

0: HSYNC input pin

1: SOG

VSYNC Source

0: VSYNC input pin

1: Sync Separator output

0x12

Red Gain MSB,(0x55)

7:0

Red Gain MSB

Red channel gain, where: gain (V/V) = 0.5 + [9:0]/682

MSB/LSB

0x00 00: gain = 0.5 V/V (1.4VP-P input = full range of ADC)

0x55 00: gain = 1.0 V/V (0.7VP-P input = full range of ADC)

0xFF C0: gain = 2.0 V/V (0.35VP-P input = full range of ADC)

0x13

Red Gain LSB,(0x00)

5:0

N/A

7:6

Red Gain LSB

2 LSBs of 10-bit gain word

0x14

Green Gain MSB,(0x55)

7:0

Green Gain MSB

See Red Gain

0x15

Green Gain LSB,(0x00)

5:0

N/A

7:6

Green Gain LSB

See Red Gain

0x16

Blue Gain MSB,(0x55)

7:0

Blue Gain MSB

See Red Gain

0x17

Blue Gain LSB,(0x00)

5:0

N/A

7:6

Blue Gain LSB

See Red Gain

0x18

Red Offset MSB,(0x80)

7:0

Red Offset MSB

ABLC off: upper 8 bits to Red offset DAC

ABLC enabled: Red digital offset

0x00 00 = min DAC value or -0x80 digital offset

0x80 00 = mid DAC value or 0x00 digital offset,

0xFF C0= max DAC value or +0x7F digital offset

ADDRESS

(DEFAULT VALUE)

BITS

FUNCTION NAME

DESCRIPTION

ISL51002

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