ICS1532 datasheet(15/36 Pages) IDT

15 / 36 page

110 MHZ TRIPLE 8-BIT ADC WITH CLOCK GENERATOR

MDS 1532 G

Revision 060804

www.idt.com

ICS1532

28h

MCLK-SS0

R/W. D-MK.

7-0 MCLK_SS0

Select MCLK spread-spectrum counter LSB’s bits 7-0

See Reg29 - Controls amount of frequency spread

Allowed Values = (288 *N / M) + 8

29h

MCLK-SS1

R/W. D-MK.

7-4 Reserved

Reserved

1010

3-0 MCLK_SS1

Select MCLK spread-spectrum counter MSBs bits 11-8

See Reg28

2Ah

MCLK-SSOE

R/W. D-MK.

7-6 MCLK_SS

Select MCLK spread-spectrum gain

– 00 = The gain is 1

– 01 = The gain is 2

– 10 = The gain is 4

– 11 = The gain is 8

Reserved

4-2 MCLK_PFD

Select MCLK Phase/Frequency Detector gain

– 000 = Gain is 1

– 001 = Gain is 2

– 010 = Gain is 4

– 011 = Gain is 8

– 100 = Gain is 16, and so forth...

1-0 MCLK_OSD

Select value for MCLK Output Scaler Divider

– 00 = Divide by 1

– 01 = Divide by 2

– 10 = Divide by 4

– 11 = Divide by 8

2Bh

MCLK-OE

R/W

7-2 Reserved

Reserved

010000

MCLK_SSENB

Enable MCLK spread-spectrum (1 = Enabled)

MCLK_OE

Enable MCLK output (1 = Enabled)

2Ch

OUTPUT MUX

R/W

High_Drive#

Disable high drive for ADC pixel data output pins

OE_OSC

Enable OSCOUT output pin (1 = Enabled)

5-4 OSC_Sel

Select OSCOUT Output

– 00 = OSCOUT source is OSC.

– 01 = OSCOUT source is OSCDIVIDER (Reg7)

– 10 = OSCOUT source is OSC/2.

– 11 = Reserved

Reserved

REFSEL

Select REF status

1-0 LCKSEL#

Select active low output for STATUS (pin 111)

Low when selection below is properly locked, else high

– 00 = Main Pixel PLL

– 01 = MCLK: Memory Clock

– 10 = Reserved

– 11 = PNLCLK: Panel Clock

2Dh

PLL Reset

Write

7-4 MCLK_Reset

Writing 5xh resets MCLK PLL & loads Regs 26h~2Bh

N/A

3-0 PNLCLK_Reset

Writing xAh resets PNLCLK PLL & loads Regs 20~25h

N/A

2Eh-2Fh Reserved

N/A

30h

ADC CTRL

R/W

ADC_OE

Enable ADC output (1 = Enabled)

??????

ADC_Inv

Invert ADCRCLK signal (1=Latch data on rising edge)

Force_ADC

Force ADC Outputs to state of Reg30:3

Table 4-2.

New Register Set Outline (Continued)

Index

Access

Bit #

Bit Name

Brief Description

Reset

Value

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